Company lists · Data refreshed November 2026
Top 25 Security businesses worldwide
RevenueBase identified 59,526 company matches for security businesses worldwide as of November 2026 and tracks 1,447,176 professional contacts across them, including 150,746 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security businesses worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for security businesses follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest security businesses worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 86,236 contacts → | ||||
Exact match “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 66,203 contacts → | ||||
Exact match “Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 46,086 contacts → | ||||
Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 40,551 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 17,987 contacts → | ||||
Exact match “GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 16,176 contacts → | ||||
Exact match “Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America and number one…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 8,791 contacts → | ||||
Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 7,503 contacts → | ||||
Exact match “Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 6,705 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5,755 contacts → | ||||
Exact match “Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5,254 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 5,040 contacts → | ||||
Exact match “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 5,036 contacts → | ||||
Exact match “A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4,808 contacts → | ||||
Exact match “As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4,705 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 4,112 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 4,090 contacts → | ||||
Exact match “Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 4,040 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3,955 contacts → | ||||
Exact match “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3,921 contacts → | ||||
Exact match “Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3,869 contacts → | ||||
Exact match “SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3,786 contacts → | ||||
Exact match “Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3,688 contacts → | ||||
Exact match “Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “security businesses”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 59,526 security businesses worldwide
See the full list, filter by size, metro and specialty, and access 150,746 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security businesses worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for security businesses are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security businesses” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 150,746 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Security businesses by location
222 lists · largest firstEvery Security businesses list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security businesses based in the United States11,258
- Security businesses based in the United Kingdom6,051
- Security businesses based in Brazil4,038
- Security businesses based in India3,157
- Security businesses based in France2,549
- Security businesses based in Canada1,744
- Security businesses based in Germany1,692
- Security businesses based in Italy1,579
- Security businesses based in Australia1,479
- Security businesses based in the Netherlands1,344
- Security businesses based in Mexico1,209
- Security businesses based in South Africa1,141
- Security businesses based in Spain1,013
- Security businesses based in Argentina732
- Security businesses based in Türkiye636
- Security businesses based in the United Arab Emirates592
- Security businesses based in Colombia582
- Security businesses based in Chile581
- Security businesses based in Belgium461
- Security businesses based in Peru444
- Security businesses based in Sweden444
- Security businesses based in Switzerland401
- Security businesses based in Poland358
- Security businesses based in Nigeria347
- Security businesses based in Kenya275
- Security businesses based in Pakistan269
- Security businesses based in Egypt263
- Security businesses based in Saudi Arabia262
- Security businesses based in Ireland249
- Security businesses based in Indonesia237
- Security businesses based in Ecuador236
- Security businesses based in Portugal235
- Security businesses based in Denmark222
- Security businesses based in Malaysia220
- Security businesses based in Romania220
- Security businesses based in New Zealand218
- Security businesses based in Morocco188
- Security businesses based in the Philippines176
- Security businesses based in Greece175
- Security businesses based in Czechia160
- Security businesses based in Bangladesh143
- Security businesses based in Norway138
- Security businesses based in Hungary123
- Security businesses based in Finland118
- Security businesses based in Austria116
- Security businesses based in Qatar116
- Security businesses based in Israel102
- Security businesses based in Ghana100
- Security businesses based in Venezuela94
- Security businesses based in the Dominican Republic86
- Security businesses based in Uruguay85
- Security businesses based in Costa Rica81
- Security businesses based in Panama67
- Security businesses based in Serbia66
- Security businesses based in Guatemala53
- Security businesses based in Lebanon53
- Security businesses based in Croatia50
- Security businesses based in Thailand49
- Security businesses based in Bulgaria47
- Security businesses based in Cyprus44
- Security businesses based in Kuwait44
- Security businesses based in Hong Kong41
- Security businesses based in Luxembourg33
- Security businesses based in Puerto Rico30
Cities
- Security businesses based in London, United Kingdom1,035
- Security businesses based in Sao Paulo, Brazil815
- Security businesses based in Dubai, United Arab Emirates307
- Security businesses based in New York, United States279
- Security businesses based in Bangalore, India266
- Security businesses based in New Delhi, India241
- Security businesses based in Houston, United States235
- Security businesses based in Rio De Janeiro, Brazil224
- Security businesses based in Paris, France216
- Security businesses based in Buenos Aires, Argentina211
- Security businesses based in Toronto, Canada208
- Security businesses based in Mumbai, India206
- Security businesses based in Nairobi, Kenya201
- Security businesses based in Los Angeles, United States195
- Security businesses based in Bogota, Colombia192
- Security businesses based in Istanbul, Türkiye190
- Security businesses based in Miami, United States182
- Security businesses based in Johannesburg, South Africa175
- Security businesses based in Lima, Peru173
- Security businesses based in Mexico City, Mexico161
- Security businesses based in Manchester, United Kingdom159
- Security businesses based in Santiago, Chile157
- Security businesses based in Pune, India150
- Security businesses based in Rome, Italy149
- Security businesses based in Delhi, India147
- Security businesses based in Madrid, Spain144
- Security businesses based in Atlanta, United States128
- Security businesses based in Curitiba, Brazil128
- Security businesses based in Dallas, United States128
- Security businesses based in Chennai, India126
- Security businesses based in Hyderabad, India126
- Security businesses based in Birmingham, United Kingdom125
- Security businesses based in Cairo, Egypt125
- Security businesses based in Cape Town, South Africa125
- Security businesses based in Chicago, United States122
- Security businesses based in Gurgaon, India122
- Security businesses based in Porto Alegre, Brazil122
- Security businesses based in Melbourne, Australia119
- Security businesses based in Belo Horizonte, Brazil118
- Security businesses based in Stockholm, Sweden118
- Security businesses based in Sydney, Australia118
- Security businesses based in Austin, United States115
- Security businesses based in Berlin, Germany114
- Security businesses based in Riyadh, Saudi Arabia111
- Security businesses based in Milan, Italy108
- Security businesses based in Noida, India102
- Security businesses based in Campinas, Brazil99
- Security businesses based in Phoenix, United States99
- Security businesses based in Auckland, New Zealand96
- Security businesses based in Karachi, Pakistan96
- Security businesses based in Las Vegas, United States96
- Security businesses based in Calgary, Canada95
- Security businesses based in Orlando, United States92
- Security businesses based in Monterrey, Mexico89
- Security businesses based in Quito, Ecuador89
- Security businesses based in Glasgow, United Kingdom84
- Security businesses based in Mississauga, Canada84
- Security businesses based in Guayaquil, Ecuador83
- Security businesses based in Montreal, Canada82
- Security businesses based in Denver, United States81
- Security businesses based in San Antonio, United States79
- Security businesses based in Leeds, United Kingdom78
- Security businesses based in Edmonton, Canada76
- Security businesses based in San Diego, United States75
- Security businesses based in Tampa, United States75
- Security businesses based in Bucharest, Romania74
- Security businesses based in Pretoria, South Africa73
- Security businesses based in Charlotte, United States72
- Security businesses based in Fortaleza, Brazil72
- Security businesses based in Barcelona, Spain68
- Security businesses based in Vancouver, Canada68
- Security businesses based in Warsaw, Poland67
- Security businesses based in Bristol, United Kingdom66
- Security businesses based in Doha, Qatar61
- Security businesses based in Liverpool, United Kingdom61
- Security businesses based in Montevideo, Uruguay61
- Security businesses based in Hamburg, Germany60
- Security businesses based in San Jose, United States60
- Security businesses based in Surrey, Canada60
- Security businesses based in Abu Dhabi, United Arab Emirates57
- Security businesses based in Brisbane, Australia57
- Security businesses based in Sacramento, United States57
- Security businesses based in Brasilia, Brazil55
- Security businesses based in San Francisco, United States55
- Security businesses based in Indianapolis, United States54
- Security businesses based in Mexico, Mexico53
- Security businesses based in Jacksonville, United States52
- Security businesses based in Seattle, United States52
- Security businesses based in Washington, United States52
- Security businesses based in Perth, Australia51
- Security businesses based in Medellin, Colombia50
- Security businesses based in Nashville, United States49
- Security businesses based in Ottawa, Canada49
- Security businesses based in Baltimore, United States47
- Security businesses based in Munich, Germany47
- Security businesses based in Dublin, Ireland46
- Security businesses based in Leicester, United Kingdom46
- Security businesses based in Oslo, Norway46
- Security businesses based in Panama, Panama46
- Security businesses based in Amsterdam, Netherlands44
- Security businesses based in Brooklyn, United States44
- Security businesses based in Budapest, Hungary43
- Security businesses based in Columbus, United States43
- Security businesses based in Prague, Czechia43
- Security businesses based in Santo Domingo, Dominican Republic43
- Security businesses based in Belfast, United Kingdom42
- Security businesses based in Philadelphia, United States42
- Security businesses based in Nottingham, United Kingdom41
- Security businesses based in Portland, United States41
- Security businesses based in Cardiff, United Kingdom40
- Security businesses based in Athens, Greece39
- Security businesses based in St. Louis, United States39
- Security businesses based in Wilmington, United States38
- Security businesses based in Fort Lauderdale, United States37
- Security businesses based in Sheffield, United Kingdom37
- Security businesses based in Colorado Springs, United States36
- Security businesses based in Southampton, United Kingdom36
- Security businesses based in Albuquerque, United States35
- Security businesses based in Boston, United States35
- Security businesses based in Columbia, United States35
- Security businesses based in Louisville, United States35
- Security businesses based in Memphis, United States35
- Security businesses based in Raleigh, United States35
- Security businesses based in Santos, Brazil34
- Security businesses based in Boca Raton, United States33
- Security businesses based in Irvine, United States33
- Security businesses based in Scottsdale, United States33
- Security businesses based in Belgrade, Serbia32
- Security businesses based in Cleveland, United States32
- Security businesses based in Fort Worth, United States32
- Security businesses based in Minneapolis, United States32
- Security businesses based in Northampton, United Kingdom32
- Security businesses based in Tempe, United States31
- Security businesses based in Cincinnati, United States30
- Security businesses based in Pittsburgh, United States30
- Security businesses based in Arlington, United States29
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security businesses”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security businesses are there worldwide?
RevenueBase identified 59,526 company matches for security businesses worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security businesses?
The United States leads with 11,258 companies, followed by the United Kingdom (6,051) and Brazil (4,038). Every security businesses list by country and city is linked on this page.
Which city has the most security businesses?
London leads with 1063 company records, followed by Sao Paulo (815) and Dubai (308).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 150,746 professional contacts with verified work emails tracked across these 59,526 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 59,526 security businesses worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 security businesses worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 59,526 matching company records for security businesses worldwide, with 1,447,176 tracked contacts and 150,746 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security businesses worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 86,236 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Irvine, IL, United StatesReported employees: 10001+ | Irvine, IL, United States | 10001+ | Exact match | 66,203 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 46,086 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Saint-laurent, FL, CanadaReported employees: 10001+ | Saint-laurent, FL, Canada | 10001+ | Exact match | 17,987 contacts → |
“GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 16,176 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America and number one…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 8,791 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,503 contacts → |
“Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 5,040 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 5,036 contacts → |
“A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,808 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Northridge, CA, United StatesReported employees: 10001+ | Northridge, CA, United States | 10001+ | Exact match | 4,090 contacts → |
“Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,921 contacts → |
“Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: New Delhi, IndiaReported employees: 10001+ | New Delhi, India | 10001+ | Exact match | 3,869 contacts → |
“SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,786 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,688 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59,526 company matches
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Security businesses: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
58,537 records in the displayed employee bands.
989 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 59,526 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security businesses by location
222 lists · largest firstEvery Security businesses list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security businesses based in the United States11,258
- Security businesses based in the United Kingdom6,051
- Security businesses based in Brazil4,038
- Security businesses based in India3,157
- Security businesses based in France2,549
- Security businesses based in Canada1,744
- Security businesses based in Germany1,692
- Security businesses based in Italy1,579
- Security businesses based in Australia1,479
- Security businesses based in the Netherlands1,344
- Security businesses based in Mexico1,209
- Security businesses based in South Africa1,141
- Security businesses based in Spain1,013
- Security businesses based in Argentina732
- Security businesses based in Türkiye636
- Security businesses based in the United Arab Emirates592
- Security businesses based in Colombia582
- Security businesses based in Chile581
- Security businesses based in Belgium461
- Security businesses based in Peru444
- Security businesses based in Sweden444
- Security businesses based in Switzerland401
- Security businesses based in Poland358
- Security businesses based in Nigeria347
- Security businesses based in Kenya275
- Security businesses based in Pakistan269
- Security businesses based in Egypt263
- Security businesses based in Saudi Arabia262
- Security businesses based in Ireland249
- Security businesses based in Indonesia237
- Security businesses based in Ecuador236
- Security businesses based in Portugal235
- Security businesses based in Denmark222
- Security businesses based in Malaysia220
- Security businesses based in Romania220
- Security businesses based in New Zealand218
- Security businesses based in Morocco188
- Security businesses based in the Philippines176
- Security businesses based in Greece175
- Security businesses based in Czechia160
- Security businesses based in Bangladesh143
- Security businesses based in Norway138
- Security businesses based in Hungary123
- Security businesses based in Finland118
- Security businesses based in Austria116
- Security businesses based in Qatar116
- Security businesses based in Israel102
- Security businesses based in Ghana100
- Security businesses based in Venezuela94
- Security businesses based in the Dominican Republic86
- Security businesses based in Uruguay85
- Security businesses based in Costa Rica81
- Security businesses based in Panama67
- Security businesses based in Serbia66
- Security businesses based in Guatemala53
- Security businesses based in Lebanon53
- Security businesses based in Croatia50
- Security businesses based in Thailand49
- Security businesses based in Bulgaria47
- Security businesses based in Cyprus44
- Security businesses based in Kuwait44
- Security businesses based in Hong Kong41
- Security businesses based in Luxembourg33
- Security businesses based in Puerto Rico30
Cities
- Security businesses based in London, United Kingdom1,035
- Security businesses based in Sao Paulo, Brazil815
- Security businesses based in Dubai, United Arab Emirates307
- Security businesses based in New York, United States279
- Security businesses based in Bangalore, India266
- Security businesses based in New Delhi, India241
- Security businesses based in Houston, United States235
- Security businesses based in Rio De Janeiro, Brazil224
- Security businesses based in Paris, France216
- Security businesses based in Buenos Aires, Argentina211
- Security businesses based in Toronto, Canada208
- Security businesses based in Mumbai, India206
- Security businesses based in Nairobi, Kenya201
- Security businesses based in Los Angeles, United States195
- Security businesses based in Bogota, Colombia192
- Security businesses based in Istanbul, Türkiye190
- Security businesses based in Miami, United States182
- Security businesses based in Johannesburg, South Africa175
- Security businesses based in Lima, Peru173
- Security businesses based in Mexico City, Mexico161
- Security businesses based in Manchester, United Kingdom159
- Security businesses based in Santiago, Chile157
- Security businesses based in Pune, India150
- Security businesses based in Rome, Italy149
- Security businesses based in Delhi, India147
- Security businesses based in Madrid, Spain144
- Security businesses based in Atlanta, United States128
- Security businesses based in Curitiba, Brazil128
- Security businesses based in Dallas, United States128
- Security businesses based in Chennai, India126
- Security businesses based in Hyderabad, India126
- Security businesses based in Birmingham, United Kingdom125
- Security businesses based in Cairo, Egypt125
- Security businesses based in Cape Town, South Africa125
- Security businesses based in Chicago, United States122
- Security businesses based in Gurgaon, India122
- Security businesses based in Porto Alegre, Brazil122
- Security businesses based in Melbourne, Australia119
- Security businesses based in Belo Horizonte, Brazil118
- Security businesses based in Stockholm, Sweden118
- Security businesses based in Sydney, Australia118
- Security businesses based in Austin, United States115
- Security businesses based in Berlin, Germany114
- Security businesses based in Riyadh, Saudi Arabia111
- Security businesses based in Milan, Italy108
- Security businesses based in Noida, India102
- Security businesses based in Campinas, Brazil99
- Security businesses based in Phoenix, United States99
- Security businesses based in Auckland, New Zealand96
- Security businesses based in Karachi, Pakistan96
- Security businesses based in Las Vegas, United States96
- Security businesses based in Calgary, Canada95
- Security businesses based in Orlando, United States92
- Security businesses based in Monterrey, Mexico89
- Security businesses based in Quito, Ecuador89
- Security businesses based in Glasgow, United Kingdom84
- Security businesses based in Mississauga, Canada84
- Security businesses based in Guayaquil, Ecuador83
- Security businesses based in Montreal, Canada82
- Security businesses based in Denver, United States81
- Security businesses based in San Antonio, United States79
- Security businesses based in Leeds, United Kingdom78
- Security businesses based in Edmonton, Canada76
- Security businesses based in San Diego, United States75
- Security businesses based in Tampa, United States75
- Security businesses based in Bucharest, Romania74
- Security businesses based in Pretoria, South Africa73
- Security businesses based in Charlotte, United States72
- Security businesses based in Fortaleza, Brazil72
- Security businesses based in Barcelona, Spain68
- Security businesses based in Vancouver, Canada68
- Security businesses based in Warsaw, Poland67
- Security businesses based in Bristol, United Kingdom66
- Security businesses based in Doha, Qatar61
- Security businesses based in Liverpool, United Kingdom61
- Security businesses based in Montevideo, Uruguay61
- Security businesses based in Hamburg, Germany60
- Security businesses based in San Jose, United States60
- Security businesses based in Surrey, Canada60
- Security businesses based in Abu Dhabi, United Arab Emirates57
- Security businesses based in Brisbane, Australia57
- Security businesses based in Sacramento, United States57
- Security businesses based in Brasilia, Brazil55
- Security businesses based in San Francisco, United States55
- Security businesses based in Indianapolis, United States54
- Security businesses based in Mexico, Mexico53
- Security businesses based in Jacksonville, United States52
- Security businesses based in Seattle, United States52
- Security businesses based in Washington, United States52
- Security businesses based in Perth, Australia51
- Security businesses based in Medellin, Colombia50
- Security businesses based in Nashville, United States49
- Security businesses based in Ottawa, Canada49
- Security businesses based in Baltimore, United States47
- Security businesses based in Munich, Germany47
- Security businesses based in Dublin, Ireland46
- Security businesses based in Leicester, United Kingdom46
- Security businesses based in Oslo, Norway46
- Security businesses based in Panama, Panama46
- Security businesses based in Amsterdam, Netherlands44
- Security businesses based in Brooklyn, United States44
- Security businesses based in Budapest, Hungary43
- Security businesses based in Columbus, United States43
- Security businesses based in Prague, Czechia43
- Security businesses based in Santo Domingo, Dominican Republic43
- Security businesses based in Belfast, United Kingdom42
- Security businesses based in Philadelphia, United States42
- Security businesses based in Nottingham, United Kingdom41
- Security businesses based in Portland, United States41
- Security businesses based in Cardiff, United Kingdom40
- Security businesses based in Athens, Greece39
- Security businesses based in St. Louis, United States39
- Security businesses based in Wilmington, United States38
- Security businesses based in Fort Lauderdale, United States37
- Security businesses based in Sheffield, United Kingdom37
- Security businesses based in Colorado Springs, United States36
- Security businesses based in Southampton, United Kingdom36
- Security businesses based in Albuquerque, United States35
- Security businesses based in Boston, United States35
- Security businesses based in Columbia, United States35
- Security businesses based in Louisville, United States35
- Security businesses based in Memphis, United States35
- Security businesses based in Raleigh, United States35
- Security businesses based in Santos, Brazil34
- Security businesses based in Boca Raton, United States33
- Security businesses based in Irvine, United States33
- Security businesses based in Scottsdale, United States33
- Security businesses based in Belgrade, Serbia32
- Security businesses based in Cleveland, United States32
- Security businesses based in Fort Worth, United States32
- Security businesses based in Minneapolis, United States32
- Security businesses based in Northampton, United Kingdom32
- Security businesses based in Tempe, United States31
- Security businesses based in Cincinnati, United States30
- Security businesses based in Pittsburgh, United States30
- Security businesses based in Arlington, United States29
Questions about this company list
What does Exact match mean for security businesses?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security businesses did RevenueBase find worldwide?
The saved snapshot records 59,526 matching company records, 1,447,176 tracked contacts and 150,746 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security businesses worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/security-businesses.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 security businesses worldwide
RevenueBase records 59,526 matching company records for security businesses worldwide, with 1,447,176 tracked contacts and 150,746 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security businesses worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 86,236 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Irvine, IL, United StatesReported employees: 10001+ | Irvine, IL, United States | 10001+ | Exact match | 66,203 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 46,086 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Saint-laurent, FL, CanadaReported employees: 10001+ | Saint-laurent, FL, Canada | 10001+ | Exact match | 17,987 contacts → |
“GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 16,176 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America and number one…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 8,791 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,503 contacts → |
“Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 5,040 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 5,036 contacts → |
“A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,808 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Northridge, CA, United StatesReported employees: 10001+ | Northridge, CA, United States | 10001+ | Exact match | 4,090 contacts → |
“Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,921 contacts → |
“Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: New Delhi, IndiaReported employees: 10001+ | New Delhi, India | 10001+ | Exact match | 3,869 contacts → |
“SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,786 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,688 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59,526 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security businesses: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
58,537 records in the displayed employee bands.
989 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 59,526 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security businesses by location
222 lists · largest firstEvery Security businesses list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security businesses based in the United States11,258
- Security businesses based in the United Kingdom6,051
- Security businesses based in Brazil4,038
- Security businesses based in India3,157
- Security businesses based in France2,549
- Security businesses based in Canada1,744
- Security businesses based in Germany1,692
- Security businesses based in Italy1,579
- Security businesses based in Australia1,479
- Security businesses based in the Netherlands1,344
- Security businesses based in Mexico1,209
- Security businesses based in South Africa1,141
- Security businesses based in Spain1,013
- Security businesses based in Argentina732
- Security businesses based in Türkiye636
- Security businesses based in the United Arab Emirates592
- Security businesses based in Colombia582
- Security businesses based in Chile581
- Security businesses based in Belgium461
- Security businesses based in Peru444
- Security businesses based in Sweden444
- Security businesses based in Switzerland401
- Security businesses based in Poland358
- Security businesses based in Nigeria347
- Security businesses based in Kenya275
- Security businesses based in Pakistan269
- Security businesses based in Egypt263
- Security businesses based in Saudi Arabia262
- Security businesses based in Ireland249
- Security businesses based in Indonesia237
- Security businesses based in Ecuador236
- Security businesses based in Portugal235
- Security businesses based in Denmark222
- Security businesses based in Malaysia220
- Security businesses based in Romania220
- Security businesses based in New Zealand218
- Security businesses based in Morocco188
- Security businesses based in the Philippines176
- Security businesses based in Greece175
- Security businesses based in Czechia160
- Security businesses based in Bangladesh143
- Security businesses based in Norway138
- Security businesses based in Hungary123
- Security businesses based in Finland118
- Security businesses based in Austria116
- Security businesses based in Qatar116
- Security businesses based in Israel102
- Security businesses based in Ghana100
- Security businesses based in Venezuela94
- Security businesses based in the Dominican Republic86
- Security businesses based in Uruguay85
- Security businesses based in Costa Rica81
- Security businesses based in Panama67
- Security businesses based in Serbia66
- Security businesses based in Guatemala53
- Security businesses based in Lebanon53
- Security businesses based in Croatia50
- Security businesses based in Thailand49
- Security businesses based in Bulgaria47
- Security businesses based in Cyprus44
- Security businesses based in Kuwait44
- Security businesses based in Hong Kong41
- Security businesses based in Luxembourg33
- Security businesses based in Puerto Rico30
Cities
- Security businesses based in London, United Kingdom1,035
- Security businesses based in Sao Paulo, Brazil815
- Security businesses based in Dubai, United Arab Emirates307
- Security businesses based in New York, United States279
- Security businesses based in Bangalore, India266
- Security businesses based in New Delhi, India241
- Security businesses based in Houston, United States235
- Security businesses based in Rio De Janeiro, Brazil224
- Security businesses based in Paris, France216
- Security businesses based in Buenos Aires, Argentina211
- Security businesses based in Toronto, Canada208
- Security businesses based in Mumbai, India206
- Security businesses based in Nairobi, Kenya201
- Security businesses based in Los Angeles, United States195
- Security businesses based in Bogota, Colombia192
- Security businesses based in Istanbul, Türkiye190
- Security businesses based in Miami, United States182
- Security businesses based in Johannesburg, South Africa175
- Security businesses based in Lima, Peru173
- Security businesses based in Mexico City, Mexico161
- Security businesses based in Manchester, United Kingdom159
- Security businesses based in Santiago, Chile157
- Security businesses based in Pune, India150
- Security businesses based in Rome, Italy149
- Security businesses based in Delhi, India147
- Security businesses based in Madrid, Spain144
- Security businesses based in Atlanta, United States128
- Security businesses based in Curitiba, Brazil128
- Security businesses based in Dallas, United States128
- Security businesses based in Chennai, India126
- Security businesses based in Hyderabad, India126
- Security businesses based in Birmingham, United Kingdom125
- Security businesses based in Cairo, Egypt125
- Security businesses based in Cape Town, South Africa125
- Security businesses based in Chicago, United States122
- Security businesses based in Gurgaon, India122
- Security businesses based in Porto Alegre, Brazil122
- Security businesses based in Melbourne, Australia119
- Security businesses based in Belo Horizonte, Brazil118
- Security businesses based in Stockholm, Sweden118
- Security businesses based in Sydney, Australia118
- Security businesses based in Austin, United States115
- Security businesses based in Berlin, Germany114
- Security businesses based in Riyadh, Saudi Arabia111
- Security businesses based in Milan, Italy108
- Security businesses based in Noida, India102
- Security businesses based in Campinas, Brazil99
- Security businesses based in Phoenix, United States99
- Security businesses based in Auckland, New Zealand96
- Security businesses based in Karachi, Pakistan96
- Security businesses based in Las Vegas, United States96
- Security businesses based in Calgary, Canada95
- Security businesses based in Orlando, United States92
- Security businesses based in Monterrey, Mexico89
- Security businesses based in Quito, Ecuador89
- Security businesses based in Glasgow, United Kingdom84
- Security businesses based in Mississauga, Canada84
- Security businesses based in Guayaquil, Ecuador83
- Security businesses based in Montreal, Canada82
- Security businesses based in Denver, United States81
- Security businesses based in San Antonio, United States79
- Security businesses based in Leeds, United Kingdom78
- Security businesses based in Edmonton, Canada76
- Security businesses based in San Diego, United States75
- Security businesses based in Tampa, United States75
- Security businesses based in Bucharest, Romania74
- Security businesses based in Pretoria, South Africa73
- Security businesses based in Charlotte, United States72
- Security businesses based in Fortaleza, Brazil72
- Security businesses based in Barcelona, Spain68
- Security businesses based in Vancouver, Canada68
- Security businesses based in Warsaw, Poland67
- Security businesses based in Bristol, United Kingdom66
- Security businesses based in Doha, Qatar61
- Security businesses based in Liverpool, United Kingdom61
- Security businesses based in Montevideo, Uruguay61
- Security businesses based in Hamburg, Germany60
- Security businesses based in San Jose, United States60
- Security businesses based in Surrey, Canada60
- Security businesses based in Abu Dhabi, United Arab Emirates57
- Security businesses based in Brisbane, Australia57
- Security businesses based in Sacramento, United States57
- Security businesses based in Brasilia, Brazil55
- Security businesses based in San Francisco, United States55
- Security businesses based in Indianapolis, United States54
- Security businesses based in Mexico, Mexico53
- Security businesses based in Jacksonville, United States52
- Security businesses based in Seattle, United States52
- Security businesses based in Washington, United States52
- Security businesses based in Perth, Australia51
- Security businesses based in Medellin, Colombia50
- Security businesses based in Nashville, United States49
- Security businesses based in Ottawa, Canada49
- Security businesses based in Baltimore, United States47
- Security businesses based in Munich, Germany47
- Security businesses based in Dublin, Ireland46
- Security businesses based in Leicester, United Kingdom46
- Security businesses based in Oslo, Norway46
- Security businesses based in Panama, Panama46
- Security businesses based in Amsterdam, Netherlands44
- Security businesses based in Brooklyn, United States44
- Security businesses based in Budapest, Hungary43
- Security businesses based in Columbus, United States43
- Security businesses based in Prague, Czechia43
- Security businesses based in Santo Domingo, Dominican Republic43
- Security businesses based in Belfast, United Kingdom42
- Security businesses based in Philadelphia, United States42
- Security businesses based in Nottingham, United Kingdom41
- Security businesses based in Portland, United States41
- Security businesses based in Cardiff, United Kingdom40
- Security businesses based in Athens, Greece39
- Security businesses based in St. Louis, United States39
- Security businesses based in Wilmington, United States38
- Security businesses based in Fort Lauderdale, United States37
- Security businesses based in Sheffield, United Kingdom37
- Security businesses based in Colorado Springs, United States36
- Security businesses based in Southampton, United Kingdom36
- Security businesses based in Albuquerque, United States35
- Security businesses based in Boston, United States35
- Security businesses based in Columbia, United States35
- Security businesses based in Louisville, United States35
- Security businesses based in Memphis, United States35
- Security businesses based in Raleigh, United States35
- Security businesses based in Santos, Brazil34
- Security businesses based in Boca Raton, United States33
- Security businesses based in Irvine, United States33
- Security businesses based in Scottsdale, United States33
- Security businesses based in Belgrade, Serbia32
- Security businesses based in Cleveland, United States32
- Security businesses based in Fort Worth, United States32
- Security businesses based in Minneapolis, United States32
- Security businesses based in Northampton, United Kingdom32
- Security businesses based in Tempe, United States31
- Security businesses based in Cincinnati, United States30
- Security businesses based in Pittsburgh, United States30
- Security businesses based in Arlington, United States29
Questions about this company list
What does Exact match mean for security businesses?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security businesses did RevenueBase find worldwide?
The saved snapshot records 59,526 matching company records, 1,447,176 tracked contacts and 150,746 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 security businesses worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/security-businesses.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗