Company lists · Data refreshed September 2026
Top 25 Surveillance and security firms worldwide
RevenueBase identified 28,530 company matches for surveillance and security firms worldwide as of September 2026 and tracks 749,762 professional contacts across them, including 72,064 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for surveillance and security firms 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 September 29, 2026. Country and city lists for surveillance and security firms 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 surveillance and security firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 79,699 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 62,804 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 40,747 contacts → | ||||
Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 38,634 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 14,199 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.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 7,986 contacts → | ||||
Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 6,335 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 6,169 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 4,835 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 4,530 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 4,292 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 4,038 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 3,843 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 3,620 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 3,612 contacts → | ||||
Exact match “EVERYWHERE SECURITY MATTERS.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 3,592 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 3,004 contacts → | ||||
Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 2,772 contacts → | ||||
Exact match “Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 2,462 contacts → | ||||
Exact match “A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 2,365 contacts → | ||||
Exact match “Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 2,266 contacts → | ||||
Exact match “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 2,174 contacts → | ||||
Exact match “Through an ISO® 9001:2015 Certified Quality Management System (QMS), Walden Security has earned an award-winning reputation for business excellence and employee satisfaction…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 2,165 contacts → | ||||
Exact match “Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 2,126 contacts → | ||||
Exact match “Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 2,045 contacts → | ||||
Exact match “Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded in the RevenueBase company graph · Sep 29, 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 “surveillance and security firms”. 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 28,530 surveillance and security firms worldwide
See the full list, filter by size, metro and specialty, and access 72,064 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Surveillance and security firms worldwide at a glance
As of Sep 29, 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 surveillance and security firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “surveillance and security firms” 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 72,064 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 September 29, 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.
Surveillance and security firms by location
100 lists · largest firstEvery Surveillance and security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Surveillance and security firms based in the United States6,152
- Surveillance and security firms based in the United Kingdom2,525
- Surveillance and security firms based in Brazil1,899
- Surveillance and security firms based in France1,437
- Surveillance and security firms based in India1,256
- Surveillance and security firms based in Canada955
- Surveillance and security firms based in Italy828
- Surveillance and security firms based in Germany763
- Surveillance and security firms based in Australia682
- Surveillance and security firms based in the Netherlands608
- Surveillance and security firms based in South Africa562
- Surveillance and security firms based in Spain473
- Surveillance and security firms based in Mexico459
- Surveillance and security firms based in Argentina369
- Surveillance and security firms based in Colombia318
- Surveillance and security firms based in Belgium274
- Surveillance and security firms based in Türkiye273
- Surveillance and security firms based in Chile245
- Surveillance and security firms based in the United Arab Emirates238
- Surveillance and security firms based in Peru229
- Surveillance and security firms based in Sweden204
- Surveillance and security firms based in Switzerland190
- Surveillance and security firms based in Poland180
- Surveillance and security firms based in Pakistan137
- Surveillance and security firms based in Ireland132
- Surveillance and security firms based in Romania117
- Surveillance and security firms based in Portugal114
- Surveillance and security firms based in Ecuador112
- Surveillance and security firms based in Denmark108
- Surveillance and security firms based in Malaysia106
- Surveillance and security firms based in New Zealand96
- Surveillance and security firms based in Saudi Arabia85
- Surveillance and security firms based in Greece75
- Surveillance and security firms based in Czechia73
- Surveillance and security firms based in Hungary63
- Surveillance and security firms based in Indonesia62
- Surveillance and security firms based in Israel50
- Surveillance and security firms based in Austria49
- Surveillance and security firms based in Norway49
- Surveillance and security firms based in Qatar47
- Surveillance and security firms based in Finland43
- Surveillance and security firms based in Uruguay41
- Surveillance and security firms based in Panama30
- Surveillance and security firms based in Croatia28
Cities
- Surveillance and security firms based in London, United Kingdom447
- Surveillance and security firms based in Sao Paulo, Brazil346
- Surveillance and security firms based in New York, United States146
- Surveillance and security firms based in Houston, United States130
- Surveillance and security firms based in Toronto, Canada118
- Surveillance and security firms based in Dubai, United Arab Emirates115
- Surveillance and security firms based in Los Angeles, United States111
- Surveillance and security firms based in Rio De Janeiro, Brazil106
- Surveillance and security firms based in Paris, France98
- Surveillance and security firms based in Miami, United States96
- Surveillance and security firms based in Johannesburg, South Africa90
- Surveillance and security firms based in New Delhi, India83
- Surveillance and security firms based in Dallas, United States78
- Surveillance and security firms based in Mumbai, India78
- Surveillance and security firms based in Santiago, Chile69
- Surveillance and security firms based in Madrid, Spain66
- Surveillance and security firms based in Manchester, United Kingdom62
- Surveillance and security firms based in Belo Horizonte, Brazil61
- Surveillance and security firms based in Curitiba, Brazil61
- Surveillance and security firms based in Chicago, United States60
- Surveillance and security firms based in Pune, India58
- Surveillance and security firms based in Atlanta, United States56
- Surveillance and security firms based in Sydney, Australia55
- Surveillance and security firms based in Birmingham, United Kingdom54
- Surveillance and security firms based in Calgary, Canada53
- Surveillance and security firms based in Cape Town, South Africa52
- Surveillance and security firms based in Melbourne, Australia52
- Surveillance and security firms based in Berlin, Germany51
- Surveillance and security firms based in Montreal, Canada51
- Surveillance and security firms based in Stockholm, Sweden48
- Surveillance and security firms based in Austin, United States47
- Surveillance and security firms based in Phoenix, United States45
- Surveillance and security firms based in Edmonton, Canada44
- Surveillance and security firms based in Mississauga, Canada42
- Surveillance and security firms based in Noida, India42
- Surveillance and security firms based in Tampa, United States42
- Surveillance and security firms based in Denver, United States39
- Surveillance and security firms based in Auckland, New Zealand38
- Surveillance and security firms based in Indianapolis, United States38
- Surveillance and security firms based in Las Vegas, United States37
- Surveillance and security firms based in San Diego, United States37
- Surveillance and security firms based in Barcelona, Spain35
- Surveillance and security firms based in Charlotte, United States35
- Surveillance and security firms based in San Antonio, United States34
- Surveillance and security firms based in Jacksonville, United States32
- Surveillance and security firms based in Leeds, United Kingdom31
- Surveillance and security firms based in Seattle, United States30
- Surveillance and security firms based in Nashville, United States29
- Surveillance and security firms based in Sacramento, United States28
- Surveillance and security firms based in San Jose, United States28
- Surveillance and security firms based in Washington, United States28
- Surveillance and security firms based in Baltimore, United States26
- Surveillance and security firms based in Fort Lauderdale, United States26
- Surveillance and security firms based in San Francisco, United States26
- Surveillance and security firms based in Brisbane, Australia25
- Surveillance and security firms based in Ottawa, Canada25
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 “surveillance and security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many surveillance and security firms are there worldwide?
RevenueBase identified 28,530 company matches for surveillance and security firms worldwide as of September 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 surveillance and security firms?
The United States leads with 6,152 companies, followed by the United Kingdom (2,525) and Brazil (1,899). Every surveillance and security firms list by country and city is linked on this page.
Which city has the most surveillance and security firms?
London leads with 463 company records, followed by Sao Paulo (346) and New York (146).
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 72,064 professional contacts with verified work emails tracked across these 28,530 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 September 29, 2026.
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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 surveillance and security firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 28,530 matching company records for surveillance and security firms worldwide, with 749,762 tracked contacts and 72,064 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: September 29, 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 surveillance and security firms 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 |  G4sg4s.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Allied Universalaus.comHQ: Irvine, CA, United StatesReported employees: 10001+ | Irvine, CA, United States | 10001+ | Exact match | 62,804 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Prosegurprosegur.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 40,747 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Securitas Security Services Usa, INCsecuritasinc.comHQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 38,634 contacts → |
“Securitas knows Security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Verisureverisure.comHQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 14,199 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Gocil Tecnologia EM Segurança E Serviçosgocil.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,986 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Securitas Groupsecuritas.comHQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 6,335 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Paladin Security Group LTDpaladinsecurity.comHQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,835 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Segurprosegurpro.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,530 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Grupo Haganáhagana.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,292 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,038 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Securitas Francefrance.securitas.frHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,843 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Securitas Seguridad Españasecuritas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Inter-Con Securityicsecurity.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,612 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Securitas Sverige ABsecuritas.seHQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 3,004 contacts → |
“Securitas is a global knowledge leader in security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Grupo GRgrupogr.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 2,772 contacts → |
“Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Orsegups Participações S Aorsegups.com.brHQ: São José, BrazilReported employees: 5,001-10,000 | São José, Brazil | 5,001-10,000 | Exact match | 2,462 contacts → |
“A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Paragon Securityparagonsecurity.caHQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 2,365 contacts → |
“Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Andy Frain Servicesandyfrain.comHQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,266 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Walden Securitywaldensecurity.comHQ: Chattanooga, TN, United StatesReported employees: 5,001-10,000 | Chattanooga, TN, United States | 5,001-10,000 | Exact match | 2,174 contacts → |
“Through an ISO® 9001:2015 Certified Quality Management System (QMS), Walden Security has earned an award-winning reputation for business excellence and employee satisfaction…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Security Segurança E Serviçossousecurity.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,165 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pronet Security Servicespronet.com.trHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,126 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Everoneveronsolutions.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,045 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 28,530 company matches
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Surveillance and security firms: dataset insights
September 29, 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
28,263 records in the displayed employee bands.
267 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 28,530 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: September 29, 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 ↗
Surveillance and security firms by location
100 lists · largest firstEvery Surveillance and security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Surveillance and security firms based in the United States6,152
- Surveillance and security firms based in the United Kingdom2,525
- Surveillance and security firms based in Brazil1,899
- Surveillance and security firms based in France1,437
- Surveillance and security firms based in India1,256
- Surveillance and security firms based in Canada955
- Surveillance and security firms based in Italy828
- Surveillance and security firms based in Germany763
- Surveillance and security firms based in Australia682
- Surveillance and security firms based in the Netherlands608
- Surveillance and security firms based in South Africa562
- Surveillance and security firms based in Spain473
- Surveillance and security firms based in Mexico459
- Surveillance and security firms based in Argentina369
- Surveillance and security firms based in Colombia318
- Surveillance and security firms based in Belgium274
- Surveillance and security firms based in Türkiye273
- Surveillance and security firms based in Chile245
- Surveillance and security firms based in the United Arab Emirates238
- Surveillance and security firms based in Peru229
- Surveillance and security firms based in Sweden204
- Surveillance and security firms based in Switzerland190
- Surveillance and security firms based in Poland180
- Surveillance and security firms based in Pakistan137
- Surveillance and security firms based in Ireland132
- Surveillance and security firms based in Romania117
- Surveillance and security firms based in Portugal114
- Surveillance and security firms based in Ecuador112
- Surveillance and security firms based in Denmark108
- Surveillance and security firms based in Malaysia106
- Surveillance and security firms based in New Zealand96
- Surveillance and security firms based in Saudi Arabia85
- Surveillance and security firms based in Greece75
- Surveillance and security firms based in Czechia73
- Surveillance and security firms based in Hungary63
- Surveillance and security firms based in Indonesia62
- Surveillance and security firms based in Israel50
- Surveillance and security firms based in Austria49
- Surveillance and security firms based in Norway49
- Surveillance and security firms based in Qatar47
- Surveillance and security firms based in Finland43
- Surveillance and security firms based in Uruguay41
- Surveillance and security firms based in Panama30
- Surveillance and security firms based in Croatia28
Cities
- Surveillance and security firms based in London, United Kingdom447
- Surveillance and security firms based in Sao Paulo, Brazil346
- Surveillance and security firms based in New York, United States146
- Surveillance and security firms based in Houston, United States130
- Surveillance and security firms based in Toronto, Canada118
- Surveillance and security firms based in Dubai, United Arab Emirates115
- Surveillance and security firms based in Los Angeles, United States111
- Surveillance and security firms based in Rio De Janeiro, Brazil106
- Surveillance and security firms based in Paris, France98
- Surveillance and security firms based in Miami, United States96
- Surveillance and security firms based in Johannesburg, South Africa90
- Surveillance and security firms based in New Delhi, India83
- Surveillance and security firms based in Dallas, United States78
- Surveillance and security firms based in Mumbai, India78
- Surveillance and security firms based in Santiago, Chile69
- Surveillance and security firms based in Madrid, Spain66
- Surveillance and security firms based in Manchester, United Kingdom62
- Surveillance and security firms based in Belo Horizonte, Brazil61
- Surveillance and security firms based in Curitiba, Brazil61
- Surveillance and security firms based in Chicago, United States60
- Surveillance and security firms based in Pune, India58
- Surveillance and security firms based in Atlanta, United States56
- Surveillance and security firms based in Sydney, Australia55
- Surveillance and security firms based in Birmingham, United Kingdom54
- Surveillance and security firms based in Calgary, Canada53
- Surveillance and security firms based in Cape Town, South Africa52
- Surveillance and security firms based in Melbourne, Australia52
- Surveillance and security firms based in Berlin, Germany51
- Surveillance and security firms based in Montreal, Canada51
- Surveillance and security firms based in Stockholm, Sweden48
- Surveillance and security firms based in Austin, United States47
- Surveillance and security firms based in Phoenix, United States45
- Surveillance and security firms based in Edmonton, Canada44
- Surveillance and security firms based in Mississauga, Canada42
- Surveillance and security firms based in Noida, India42
- Surveillance and security firms based in Tampa, United States42
- Surveillance and security firms based in Denver, United States39
- Surveillance and security firms based in Auckland, New Zealand38
- Surveillance and security firms based in Indianapolis, United States38
- Surveillance and security firms based in Las Vegas, United States37
- Surveillance and security firms based in San Diego, United States37
- Surveillance and security firms based in Barcelona, Spain35
- Surveillance and security firms based in Charlotte, United States35
- Surveillance and security firms based in San Antonio, United States34
- Surveillance and security firms based in Jacksonville, United States32
- Surveillance and security firms based in Leeds, United Kingdom31
- Surveillance and security firms based in Seattle, United States30
- Surveillance and security firms based in Nashville, United States29
- Surveillance and security firms based in Sacramento, United States28
- Surveillance and security firms based in San Jose, United States28
- Surveillance and security firms based in Washington, United States28
- Surveillance and security firms based in Baltimore, United States26
- Surveillance and security firms based in Fort Lauderdale, United States26
- Surveillance and security firms based in San Francisco, United States26
- Surveillance and security firms based in Brisbane, Australia25
- Surveillance and security firms based in Ottawa, Canada25
Questions about this company list
What does Exact match mean for surveillance and security firms?
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 surveillance and security firms did RevenueBase find worldwide?
The saved snapshot records 28,530 matching company records, 749,762 tracked contacts and 72,064 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: September 29, 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 surveillance and security firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/surveillance-and-security-firms.
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 surveillance and security firms worldwide
RevenueBase records 28,530 matching company records for surveillance and security firms worldwide, with 749,762 tracked contacts and 72,064 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: September 29, 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 surveillance and security firms 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 | G4sg4s.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Allied Universalaus.com HQ: Irvine, CA, United StatesReported employees: 10001+ | Irvine, CA, United States | 10001+ | Exact match | 62,804 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Prosegurprosegur.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 40,747 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Securitas Security Services Usa, INCsecuritasinc.com HQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 38,634 contacts → |
“Securitas knows Security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Verisureverisure.com HQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 14,199 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Gocil Tecnologia EM Segurança E Serviçosgocil.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,986 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Securitas Groupsecuritas.com HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 6,335 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Paladin Security Group LTDpaladinsecurity.com HQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,835 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Segurprosegurpro.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,530 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Grupo Haganáhagana.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,292 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,038 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Securitas Francefrance.securitas.fr HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,843 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Securitas Seguridad Españasecuritas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Inter-Con Securityicsecurity.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,612 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Securitas Sverige ABsecuritas.se HQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 3,004 contacts → |
“Securitas is a global knowledge leader in security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Grupo GRgrupogr.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 2,772 contacts → |
“Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orsegups Participações S Aorsegups.com.br HQ: São José, BrazilReported employees: 5,001-10,000 | São José, Brazil | 5,001-10,000 | Exact match | 2,462 contacts → |
“A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Paragon Securityparagonsecurity.ca HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 2,365 contacts → |
“Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Andy Frain Servicesandyfrain.com HQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,266 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Walden Securitywaldensecurity.com HQ: Chattanooga, TN, United StatesReported employees: 5,001-10,000 | Chattanooga, TN, United States | 5,001-10,000 | Exact match | 2,174 contacts → |
“Through an ISO® 9001:2015 Certified Quality Management System (QMS), Walden Security has earned an award-winning reputation for business excellence and employee satisfaction…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Security Segurança E Serviçossousecurity.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,165 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pronet Security Servicespronet.com.tr HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,126 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Everoneveronsolutions.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,045 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 28,530 company matches
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Surveillance and security firms: dataset insights
September 29, 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
28,263 records in the displayed employee bands.
267 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 28,530 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: September 29, 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 ↗
Surveillance and security firms by location
100 lists · largest firstEvery Surveillance and security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Surveillance and security firms based in the United States6,152
- Surveillance and security firms based in the United Kingdom2,525
- Surveillance and security firms based in Brazil1,899
- Surveillance and security firms based in France1,437
- Surveillance and security firms based in India1,256
- Surveillance and security firms based in Canada955
- Surveillance and security firms based in Italy828
- Surveillance and security firms based in Germany763
- Surveillance and security firms based in Australia682
- Surveillance and security firms based in the Netherlands608
- Surveillance and security firms based in South Africa562
- Surveillance and security firms based in Spain473
- Surveillance and security firms based in Mexico459
- Surveillance and security firms based in Argentina369
- Surveillance and security firms based in Colombia318
- Surveillance and security firms based in Belgium274
- Surveillance and security firms based in Türkiye273
- Surveillance and security firms based in Chile245
- Surveillance and security firms based in the United Arab Emirates238
- Surveillance and security firms based in Peru229
- Surveillance and security firms based in Sweden204
- Surveillance and security firms based in Switzerland190
- Surveillance and security firms based in Poland180
- Surveillance and security firms based in Pakistan137
- Surveillance and security firms based in Ireland132
- Surveillance and security firms based in Romania117
- Surveillance and security firms based in Portugal114
- Surveillance and security firms based in Ecuador112
- Surveillance and security firms based in Denmark108
- Surveillance and security firms based in Malaysia106
- Surveillance and security firms based in New Zealand96
- Surveillance and security firms based in Saudi Arabia85
- Surveillance and security firms based in Greece75
- Surveillance and security firms based in Czechia73
- Surveillance and security firms based in Hungary63
- Surveillance and security firms based in Indonesia62
- Surveillance and security firms based in Israel50
- Surveillance and security firms based in Austria49
- Surveillance and security firms based in Norway49
- Surveillance and security firms based in Qatar47
- Surveillance and security firms based in Finland43
- Surveillance and security firms based in Uruguay41
- Surveillance and security firms based in Panama30
- Surveillance and security firms based in Croatia28
Cities
- Surveillance and security firms based in London, United Kingdom447
- Surveillance and security firms based in Sao Paulo, Brazil346
- Surveillance and security firms based in New York, United States146
- Surveillance and security firms based in Houston, United States130
- Surveillance and security firms based in Toronto, Canada118
- Surveillance and security firms based in Dubai, United Arab Emirates115
- Surveillance and security firms based in Los Angeles, United States111
- Surveillance and security firms based in Rio De Janeiro, Brazil106
- Surveillance and security firms based in Paris, France98
- Surveillance and security firms based in Miami, United States96
- Surveillance and security firms based in Johannesburg, South Africa90
- Surveillance and security firms based in New Delhi, India83
- Surveillance and security firms based in Dallas, United States78
- Surveillance and security firms based in Mumbai, India78
- Surveillance and security firms based in Santiago, Chile69
- Surveillance and security firms based in Madrid, Spain66
- Surveillance and security firms based in Manchester, United Kingdom62
- Surveillance and security firms based in Belo Horizonte, Brazil61
- Surveillance and security firms based in Curitiba, Brazil61
- Surveillance and security firms based in Chicago, United States60
- Surveillance and security firms based in Pune, India58
- Surveillance and security firms based in Atlanta, United States56
- Surveillance and security firms based in Sydney, Australia55
- Surveillance and security firms based in Birmingham, United Kingdom54
- Surveillance and security firms based in Calgary, Canada53
- Surveillance and security firms based in Cape Town, South Africa52
- Surveillance and security firms based in Melbourne, Australia52
- Surveillance and security firms based in Berlin, Germany51
- Surveillance and security firms based in Montreal, Canada51
- Surveillance and security firms based in Stockholm, Sweden48
- Surveillance and security firms based in Austin, United States47
- Surveillance and security firms based in Phoenix, United States45
- Surveillance and security firms based in Edmonton, Canada44
- Surveillance and security firms based in Mississauga, Canada42
- Surveillance and security firms based in Noida, India42
- Surveillance and security firms based in Tampa, United States42
- Surveillance and security firms based in Denver, United States39
- Surveillance and security firms based in Auckland, New Zealand38
- Surveillance and security firms based in Indianapolis, United States38
- Surveillance and security firms based in Las Vegas, United States37
- Surveillance and security firms based in San Diego, United States37
- Surveillance and security firms based in Barcelona, Spain35
- Surveillance and security firms based in Charlotte, United States35
- Surveillance and security firms based in San Antonio, United States34
- Surveillance and security firms based in Jacksonville, United States32
- Surveillance and security firms based in Leeds, United Kingdom31
- Surveillance and security firms based in Seattle, United States30
- Surveillance and security firms based in Nashville, United States29
- Surveillance and security firms based in Sacramento, United States28
- Surveillance and security firms based in San Jose, United States28
- Surveillance and security firms based in Washington, United States28
- Surveillance and security firms based in Baltimore, United States26
- Surveillance and security firms based in Fort Lauderdale, United States26
- Surveillance and security firms based in San Francisco, United States26
- Surveillance and security firms based in Brisbane, Australia25
- Surveillance and security firms based in Ottawa, Canada25
Questions about this company list
What does Exact match mean for surveillance and security firms?
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 surveillance and security firms did RevenueBase find worldwide?
The saved snapshot records 28,530 matching company records, 749,762 tracked contacts and 72,064 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: September 29, 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 surveillance and security firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/surveillance-and-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗