Company lists · Data refreshed November 2026
Top 25 Security systems design firms worldwide
RevenueBase identified 29,996 company matches for security systems design firms worldwide as of November 2026 and tracks 429,827 professional contacts across them, including 87,234 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for security systems design 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 November 5, 2026. Country and city lists for security systems design 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 security systems design firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 6,705 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 6,031 contacts → | ||||
Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 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 5, 2026 · View company records in RevenueBase | |||||
| 5 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 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 5, 2026 · View company records in RevenueBase | |||||
| 7 | 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 5, 2026 · View company records in RevenueBase | |||||
| 8 | 3,593 contacts → | ||||
Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 3,496 contacts → | ||||
Exact match “M.C.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 2,754 contacts → | ||||
Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 2,178 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 2,171 contacts → | ||||
Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 1,964 contacts → | ||||
Exact match “At Wilson Security, we are committed to building a safer future for everyone.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 1,713 contacts → | ||||
Exact match “Pye-Barker Fire & Safety is the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 1,667 contacts → | ||||
Exact match “We are an intelligence-led security business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 1,631 contacts → | ||||
Exact match “Over 90 years of protecting the things that matter, we’ve seen more than most.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 1,625 contacts → | ||||
Exact match “FIDELITY ADT COMMERCIAL Fidelity ADT Commercial, a division of Fidelity ADT is a leading provider of integrated retail performance and security solutions, deployed today at more…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 1,574 contacts → | ||||
Exact match “Somos una empresa de seguridad integral, incorporando la tecnología y la innovación como herramientas para asegurar la sostenibilidad de las organizaciones, con un equipo humano…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 1,562 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 1,548 contacts → | ||||
Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 1,467 contacts → | ||||
Exact match “As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 1,449 contacts → | ||||
Exact match “See a different world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 1,365 contacts → | ||||
Exact match “Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 1,299 contacts → | ||||
Exact match “Being safe should be simple.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 1,234 contacts → | ||||
Exact match “Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded in the RevenueBase company graph · Nov 5, 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 systems design 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 29,996 security systems design firms worldwide
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Security systems design firms worldwide at a glance
As of Nov 5, 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 systems design firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security systems design 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 87,234 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 5, 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 systems design firms by location
138 lists · largest firstEvery Security systems design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security systems design firms based in the United States6,592
- Security systems design firms based in the United Kingdom2,608
- Security systems design firms based in Brazil1,576
- Security systems design firms based in India1,325
- Security systems design firms based in France1,223
- Security systems design firms based in Italy968
- Security systems design firms based in Canada842
- Security systems design firms based in Australia694
- Security systems design firms based in Germany679
- Security systems design firms based in the Netherlands602
- Security systems design firms based in Spain564
- Security systems design firms based in Mexico546
- Security systems design firms based in Türkiye442
- Security systems design firms based in the United Arab Emirates399
- Security systems design firms based in South Africa387
- Security systems design firms based in Argentina346
- Security systems design firms based in Belgium320
- Security systems design firms based in Colombia279
- Security systems design firms based in Poland261
- Security systems design firms based in Chile260
- Security systems design firms based in Sweden250
- Security systems design firms based in Peru230
- Security systems design firms based in Saudi Arabia207
- Security systems design firms based in Egypt202
- Security systems design firms based in Switzerland188
- Security systems design firms based in Romania170
- Security systems design firms based in Portugal161
- Security systems design firms based in Ireland143
- Security systems design firms based in Nigeria139
- Security systems design firms based in Morocco126
- Security systems design firms based in Pakistan126
- Security systems design firms based in Kenya125
- Security systems design firms based in New Zealand118
- Security systems design firms based in Indonesia111
- Security systems design firms based in Greece103
- Security systems design firms based in Denmark98
- Security systems design firms based in Czechia90
- Security systems design firms based in Hungary86
- Security systems design firms based in Ecuador85
- Security systems design firms based in Malaysia83
- Security systems design firms based in the Philippines83
- Security systems design firms based in Russia82
- Security systems design firms based in Qatar80
- Security systems design firms based in Israel70
- Security systems design firms based in Austria59
- Security systems design firms based in Serbia56
- Security systems design firms based in Finland55
- Security systems design firms based in the Dominican Republic50
- Security systems design firms based in Costa Rica44
- Security systems design firms based in Norway43
- Security systems design firms based in Jordan42
- Security systems design firms based in Panama41
- Security systems design firms based in Bulgaria40
- Security systems design firms based in Uruguay40
- Security systems design firms based in Croatia34
- Security systems design firms based in Kuwait28
- Security systems design firms based in Thailand27
Cities
- Security systems design firms based in Sao Paulo, Brazil355
- Security systems design firms based in London, United Kingdom340
- Security systems design firms based in Dubai, United Arab Emirates190
- Security systems design firms based in New York, United States156
- Security systems design firms based in Bangalore, India140
- Security systems design firms based in Istanbul, Türkiye132
- Security systems design firms based in Houston, United States122
- Security systems design firms based in Mumbai, India112
- Security systems design firms based in Rio De Janeiro, Brazil108
- Security systems design firms based in Buenos Aires, Argentina100
- Security systems design firms based in Cairo, Egypt95
- Security systems design firms based in Nairobi, Kenya95
- Security systems design firms based in Lima, Peru92
- Security systems design firms based in Toronto, Canada89
- Security systems design firms based in Miami, United States88
- Security systems design firms based in Paris, France86
- Security systems design firms based in New Delhi, India85
- Security systems design firms based in Pune, India85
- Security systems design firms based in Riyadh, Saudi Arabia84
- Security systems design firms based in Bogota, Colombia82
- Security systems design firms based in Madrid, Spain79
- Security systems design firms based in Hyderabad, India77
- Security systems design firms based in Stockholm, Sweden71
- Security systems design firms based in Santiago, Chile67
- Security systems design firms based in Rome, Italy66
- Security systems design firms based in Dallas, United States65
- Security systems design firms based in Los Angeles, United States65
- Security systems design firms based in Sydney, Australia64
- Security systems design firms based in Chennai, India63
- Security systems design firms based in Belo Horizonte, Brazil62
- Security systems design firms based in Atlanta, United States61
- Security systems design firms based in Mexico City, Mexico60
- Security systems design firms based in Bucharest, Romania59
- Security systems design firms based in Melbourne, Australia58
- Security systems design firms based in Cape Town, South Africa55
- Security systems design firms based in Johannesburg, South Africa55
- Security systems design firms based in Abu Dhabi, United Arab Emirates53
- Security systems design firms based in Manchester, United Kingdom52
- Security systems design firms based in Phoenix, United States51
- Security systems design firms based in Campinas, Brazil49
- Security systems design firms based in Austin, United States48
- Security systems design firms based in Doha, Qatar48
- Security systems design firms based in Warsaw, Poland48
- Security systems design firms based in Calgary, Canada47
- Security systems design firms based in Las Vegas, United States47
- Security systems design firms based in Chicago, United States46
- Security systems design firms based in Auckland, New Zealand45
- Security systems design firms based in Montreal, Canada43
- Security systems design firms based in Ahmedabad, India42
- Security systems design firms based in Curitiba, Brazil42
- Security systems design firms based in Denver, United States41
- Security systems design firms based in San Antonio, United States41
- Security systems design firms based in Milan, Italy39
- Security systems design firms based in Berlin, Germany38
- Security systems design firms based in Birmingham, United Kingdom38
- Security systems design firms based in Tampa, United States38
- Security systems design firms based in Charlotte, United States37
- Security systems design firms based in Indianapolis, United States37
- Security systems design firms based in Glasgow, United Kingdom35
- Security systems design firms based in Orlando, United States35
- Security systems design firms based in Porto Alegre, Brazil35
- Security systems design firms based in Edmonton, Canada34
- Security systems design firms based in Mississauga, Canada34
- Security systems design firms based in Budapest, Hungary32
- Security systems design firms based in San Diego, United States32
- Security systems design firms based in Amman, Jordan31
- Security systems design firms based in Brooklyn, United States31
- Security systems design firms based in Scottsdale, United States31
- Security systems design firms based in Barcelona, Spain30
- Security systems design firms based in San Jose, United States30
- Security systems design firms based in Bristol, United Kingdom28
- Security systems design firms based in Athens, Greece27
- Security systems design firms based in Brisbane, Australia27
- Security systems design firms based in Jacksonville, United States27
- Security systems design firms based in Ottawa, Canada27
- Security systems design firms based in Panama, Panama27
- Security systems design firms based in Guadalajara, Mexico26
- Security systems design firms based in Leeds, United Kingdom26
- Security systems design firms based in Nashville, United States26
- Security systems design firms based in Belfast, United Kingdom25
- Security systems design firms based in Sacramento, United States25
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 systems design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security systems design firms are there worldwide?
RevenueBase identified 29,996 company matches for security systems design firms 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?
Securitas Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security systems design firms?
The United States leads with 6,592 companies, followed by the United Kingdom (2,608) and Brazil (1,576). Every security systems design firms list by country and city is linked on this page.
Which city has the most security systems design firms?
Sao Paulo leads with 355 company records, followed by London (351) and Dubai (190).
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 87,234 professional contacts with verified work emails tracked across these 29,996 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 5, 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.
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Company intelligence · public preview
Top 25 security systems design 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 29,996 matching company records for security systems design firms worldwide, with 429,827 tracked contacts and 87,234 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 5, 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 systems design 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 |  Securitas Groupsecuritas.comHQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Convergintconvergint.comHQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Certiscertisgroup.comHQ: 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Securitas Francefrance.securitas.frHQ: 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Securitas Seguridad Españasecuritas.esHQ: 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sicuritalia S.P.Asicuritalia.itHQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  M.C. Dean, INCmcdean.comHQ: Tysons, VA, United StatesReported employees: 5,001-10,000 | Tysons, VA, United States | 5,001-10,000 | Exact match | 3,496 contacts → |
“M.C.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Automated Systems Design, INCasd-usa.comHQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,754 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Everoneveronsolutions.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wilson Securitywilsonsecurity.com.auHQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,964 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pye-Barker Fire & Safetypyebarkerfs.comHQ: Alpharetta, GA, United StatesReported employees: 5,001-10,000 | Alpharetta, GA, United States | 5,001-10,000 | Exact match | 1,713 contacts → |
“Pye-Barker Fire & Safety is the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mitie Securitymitie.comHQ: Northampton, United KingdomReported employees: 10001+ | Northampton, United Kingdom | 10001+ | Exact match | 1,667 contacts → |
“We are an intelligence-led security business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Securitas Canadasecuritas.caHQ: North York, ON, CanadaReported employees: 5,001-10,000 | North York, ON, Canada | 5,001-10,000 | Exact match | 1,631 contacts → |
“Over 90 years of protecting the things that matter, we’ve seen more than most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fidelity ADTadt.co.zaHQ: Johannesburg, South AfricaReported employees: 10001+ | Johannesburg, South Africa | 10001+ | Exact match | 1,625 contacts → |
“FIDELITY ADT COMMERCIAL Fidelity ADT Commercial, a division of Fidelity ADT is a leading provider of integrated retail performance and security solutions, deployed today at more…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Grupo Atlas DE Seguridad Integralatlas.com.coHQ: Cali, ColombiaReported employees: 10001+ | Cali, Colombia | 10001+ | Exact match | 1,574 contacts → |
“Somos una empresa de seguridad integral, incorporando la tecnología y la innovación como herramientas para asegurar la sostenibilidad de las organizaciones, con un equipo humano…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Guardsmarkguardsmark.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,562 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Comando G8comandog8.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,548 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Protection 1 Security Solutionsprotection1.comHQ: Romeoville, IL, United StatesReported employees: 1,001-5,000 | Romeoville, IL, United States | 1,001-5,000 | Exact match | 1,467 contacts → |
“As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Securitas Belgiumsecuritas.beHQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,449 contacts → |
“See a different world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vector Securityvectorsecurity.comHQ: Warrendale, TX, United StatesReported employees: 1,001-5,000 | Warrendale, TX, United States | 1,001-5,000 | Exact match | 1,365 contacts → |
“Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Simplisafesimplisafe.comHQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,299 contacts → |
“Being safe should be simple.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  PER MAR Security Servicespermarsecurity.comHQ: Davenport, IA, United StatesReported employees: 1,001-5,000 | Davenport, IA, United States | 1,001-5,000 | Exact match | 1,234 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 29,996 company matches
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Security systems design firms: dataset insights
November 5, 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
29,503 records in the displayed employee bands.
493 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 29,996 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 5, 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 systems design firms by location
138 lists · largest firstEvery Security systems design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security systems design firms based in the United States6,592
- Security systems design firms based in the United Kingdom2,608
- Security systems design firms based in Brazil1,576
- Security systems design firms based in India1,325
- Security systems design firms based in France1,223
- Security systems design firms based in Italy968
- Security systems design firms based in Canada842
- Security systems design firms based in Australia694
- Security systems design firms based in Germany679
- Security systems design firms based in the Netherlands602
- Security systems design firms based in Spain564
- Security systems design firms based in Mexico546
- Security systems design firms based in Türkiye442
- Security systems design firms based in the United Arab Emirates399
- Security systems design firms based in South Africa387
- Security systems design firms based in Argentina346
- Security systems design firms based in Belgium320
- Security systems design firms based in Colombia279
- Security systems design firms based in Poland261
- Security systems design firms based in Chile260
- Security systems design firms based in Sweden250
- Security systems design firms based in Peru230
- Security systems design firms based in Saudi Arabia207
- Security systems design firms based in Egypt202
- Security systems design firms based in Switzerland188
- Security systems design firms based in Romania170
- Security systems design firms based in Portugal161
- Security systems design firms based in Ireland143
- Security systems design firms based in Nigeria139
- Security systems design firms based in Morocco126
- Security systems design firms based in Pakistan126
- Security systems design firms based in Kenya125
- Security systems design firms based in New Zealand118
- Security systems design firms based in Indonesia111
- Security systems design firms based in Greece103
- Security systems design firms based in Denmark98
- Security systems design firms based in Czechia90
- Security systems design firms based in Hungary86
- Security systems design firms based in Ecuador85
- Security systems design firms based in Malaysia83
- Security systems design firms based in the Philippines83
- Security systems design firms based in Russia82
- Security systems design firms based in Qatar80
- Security systems design firms based in Israel70
- Security systems design firms based in Austria59
- Security systems design firms based in Serbia56
- Security systems design firms based in Finland55
- Security systems design firms based in the Dominican Republic50
- Security systems design firms based in Costa Rica44
- Security systems design firms based in Norway43
- Security systems design firms based in Jordan42
- Security systems design firms based in Panama41
- Security systems design firms based in Bulgaria40
- Security systems design firms based in Uruguay40
- Security systems design firms based in Croatia34
- Security systems design firms based in Kuwait28
- Security systems design firms based in Thailand27
Cities
- Security systems design firms based in Sao Paulo, Brazil355
- Security systems design firms based in London, United Kingdom340
- Security systems design firms based in Dubai, United Arab Emirates190
- Security systems design firms based in New York, United States156
- Security systems design firms based in Bangalore, India140
- Security systems design firms based in Istanbul, Türkiye132
- Security systems design firms based in Houston, United States122
- Security systems design firms based in Mumbai, India112
- Security systems design firms based in Rio De Janeiro, Brazil108
- Security systems design firms based in Buenos Aires, Argentina100
- Security systems design firms based in Cairo, Egypt95
- Security systems design firms based in Nairobi, Kenya95
- Security systems design firms based in Lima, Peru92
- Security systems design firms based in Toronto, Canada89
- Security systems design firms based in Miami, United States88
- Security systems design firms based in Paris, France86
- Security systems design firms based in New Delhi, India85
- Security systems design firms based in Pune, India85
- Security systems design firms based in Riyadh, Saudi Arabia84
- Security systems design firms based in Bogota, Colombia82
- Security systems design firms based in Madrid, Spain79
- Security systems design firms based in Hyderabad, India77
- Security systems design firms based in Stockholm, Sweden71
- Security systems design firms based in Santiago, Chile67
- Security systems design firms based in Rome, Italy66
- Security systems design firms based in Dallas, United States65
- Security systems design firms based in Los Angeles, United States65
- Security systems design firms based in Sydney, Australia64
- Security systems design firms based in Chennai, India63
- Security systems design firms based in Belo Horizonte, Brazil62
- Security systems design firms based in Atlanta, United States61
- Security systems design firms based in Mexico City, Mexico60
- Security systems design firms based in Bucharest, Romania59
- Security systems design firms based in Melbourne, Australia58
- Security systems design firms based in Cape Town, South Africa55
- Security systems design firms based in Johannesburg, South Africa55
- Security systems design firms based in Abu Dhabi, United Arab Emirates53
- Security systems design firms based in Manchester, United Kingdom52
- Security systems design firms based in Phoenix, United States51
- Security systems design firms based in Campinas, Brazil49
- Security systems design firms based in Austin, United States48
- Security systems design firms based in Doha, Qatar48
- Security systems design firms based in Warsaw, Poland48
- Security systems design firms based in Calgary, Canada47
- Security systems design firms based in Las Vegas, United States47
- Security systems design firms based in Chicago, United States46
- Security systems design firms based in Auckland, New Zealand45
- Security systems design firms based in Montreal, Canada43
- Security systems design firms based in Ahmedabad, India42
- Security systems design firms based in Curitiba, Brazil42
- Security systems design firms based in Denver, United States41
- Security systems design firms based in San Antonio, United States41
- Security systems design firms based in Milan, Italy39
- Security systems design firms based in Berlin, Germany38
- Security systems design firms based in Birmingham, United Kingdom38
- Security systems design firms based in Tampa, United States38
- Security systems design firms based in Charlotte, United States37
- Security systems design firms based in Indianapolis, United States37
- Security systems design firms based in Glasgow, United Kingdom35
- Security systems design firms based in Orlando, United States35
- Security systems design firms based in Porto Alegre, Brazil35
- Security systems design firms based in Edmonton, Canada34
- Security systems design firms based in Mississauga, Canada34
- Security systems design firms based in Budapest, Hungary32
- Security systems design firms based in San Diego, United States32
- Security systems design firms based in Amman, Jordan31
- Security systems design firms based in Brooklyn, United States31
- Security systems design firms based in Scottsdale, United States31
- Security systems design firms based in Barcelona, Spain30
- Security systems design firms based in San Jose, United States30
- Security systems design firms based in Bristol, United Kingdom28
- Security systems design firms based in Athens, Greece27
- Security systems design firms based in Brisbane, Australia27
- Security systems design firms based in Jacksonville, United States27
- Security systems design firms based in Ottawa, Canada27
- Security systems design firms based in Panama, Panama27
- Security systems design firms based in Guadalajara, Mexico26
- Security systems design firms based in Leeds, United Kingdom26
- Security systems design firms based in Nashville, United States26
- Security systems design firms based in Belfast, United Kingdom25
- Security systems design firms based in Sacramento, United States25
Questions about this company list
What does Exact match mean for security systems design 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 security systems design firms did RevenueBase find worldwide?
The saved snapshot records 29,996 matching company records, 429,827 tracked contacts and 87,234 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 5, 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 systems design firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-systems-design-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 security systems design firms worldwide
RevenueBase records 29,996 matching company records for security systems design firms worldwide, with 429,827 tracked contacts and 87,234 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 5, 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 systems design 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 | Securitas Groupsecuritas.com HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Chubb Fire & Securitychubbfs.com 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Convergintconvergint.com HQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Certiscertisgroup.com 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Securitas Francefrance.securitas.fr 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Securitas Seguridad Españasecuritas.es 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sicuritalia S.P.Asicuritalia.it HQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | M.C. Dean, INCmcdean.com HQ: Tysons, VA, United StatesReported employees: 5,001-10,000 | Tysons, VA, United States | 5,001-10,000 | Exact match | 3,496 contacts → |
“M.C.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Automated Systems Design, INCasd-usa.com HQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,754 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Everoneveronsolutions.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wilson Securitywilsonsecurity.com.au HQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,964 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pye-Barker Fire & Safetypyebarkerfs.com HQ: Alpharetta, GA, United StatesReported employees: 5,001-10,000 | Alpharetta, GA, United States | 5,001-10,000 | Exact match | 1,713 contacts → |
“Pye-Barker Fire & Safety is the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mitie Securitymitie.com HQ: Northampton, United KingdomReported employees: 10001+ | Northampton, United Kingdom | 10001+ | Exact match | 1,667 contacts → |
“We are an intelligence-led security business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Securitas Canadasecuritas.ca HQ: North York, ON, CanadaReported employees: 5,001-10,000 | North York, ON, Canada | 5,001-10,000 | Exact match | 1,631 contacts → |
“Over 90 years of protecting the things that matter, we’ve seen more than most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fidelity ADTadt.co.za HQ: Johannesburg, South AfricaReported employees: 10001+ | Johannesburg, South Africa | 10001+ | Exact match | 1,625 contacts → |
“FIDELITY ADT COMMERCIAL Fidelity ADT Commercial, a division of Fidelity ADT is a leading provider of integrated retail performance and security solutions, deployed today at more…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Grupo Atlas DE Seguridad Integralatlas.com.co HQ: Cali, ColombiaReported employees: 10001+ | Cali, Colombia | 10001+ | Exact match | 1,574 contacts → |
“Somos una empresa de seguridad integral, incorporando la tecnología y la innovación como herramientas para asegurar la sostenibilidad de las organizaciones, con un equipo humano…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Guardsmarkguardsmark.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,562 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Comando G8comandog8.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,548 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Protection 1 Security Solutionsprotection1.com HQ: Romeoville, IL, United StatesReported employees: 1,001-5,000 | Romeoville, IL, United States | 1,001-5,000 | Exact match | 1,467 contacts → |
“As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Securitas Belgiumsecuritas.be HQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,449 contacts → |
“See a different world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vector Securityvectorsecurity.com HQ: Warrendale, TX, United StatesReported employees: 1,001-5,000 | Warrendale, TX, United States | 1,001-5,000 | Exact match | 1,365 contacts → |
“Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Simplisafesimplisafe.com HQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,299 contacts → |
“Being safe should be simple.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | PER MAR Security Servicespermarsecurity.com HQ: Davenport, IA, United StatesReported employees: 1,001-5,000 | Davenport, IA, United States | 1,001-5,000 | Exact match | 1,234 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 29,996 company matches
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Security systems design firms: dataset insights
November 5, 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
29,503 records in the displayed employee bands.
493 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 29,996 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 5, 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 systems design firms by location
138 lists · largest firstEvery Security systems design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security systems design firms based in the United States6,592
- Security systems design firms based in the United Kingdom2,608
- Security systems design firms based in Brazil1,576
- Security systems design firms based in India1,325
- Security systems design firms based in France1,223
- Security systems design firms based in Italy968
- Security systems design firms based in Canada842
- Security systems design firms based in Australia694
- Security systems design firms based in Germany679
- Security systems design firms based in the Netherlands602
- Security systems design firms based in Spain564
- Security systems design firms based in Mexico546
- Security systems design firms based in Türkiye442
- Security systems design firms based in the United Arab Emirates399
- Security systems design firms based in South Africa387
- Security systems design firms based in Argentina346
- Security systems design firms based in Belgium320
- Security systems design firms based in Colombia279
- Security systems design firms based in Poland261
- Security systems design firms based in Chile260
- Security systems design firms based in Sweden250
- Security systems design firms based in Peru230
- Security systems design firms based in Saudi Arabia207
- Security systems design firms based in Egypt202
- Security systems design firms based in Switzerland188
- Security systems design firms based in Romania170
- Security systems design firms based in Portugal161
- Security systems design firms based in Ireland143
- Security systems design firms based in Nigeria139
- Security systems design firms based in Morocco126
- Security systems design firms based in Pakistan126
- Security systems design firms based in Kenya125
- Security systems design firms based in New Zealand118
- Security systems design firms based in Indonesia111
- Security systems design firms based in Greece103
- Security systems design firms based in Denmark98
- Security systems design firms based in Czechia90
- Security systems design firms based in Hungary86
- Security systems design firms based in Ecuador85
- Security systems design firms based in Malaysia83
- Security systems design firms based in the Philippines83
- Security systems design firms based in Russia82
- Security systems design firms based in Qatar80
- Security systems design firms based in Israel70
- Security systems design firms based in Austria59
- Security systems design firms based in Serbia56
- Security systems design firms based in Finland55
- Security systems design firms based in the Dominican Republic50
- Security systems design firms based in Costa Rica44
- Security systems design firms based in Norway43
- Security systems design firms based in Jordan42
- Security systems design firms based in Panama41
- Security systems design firms based in Bulgaria40
- Security systems design firms based in Uruguay40
- Security systems design firms based in Croatia34
- Security systems design firms based in Kuwait28
- Security systems design firms based in Thailand27
Cities
- Security systems design firms based in Sao Paulo, Brazil355
- Security systems design firms based in London, United Kingdom340
- Security systems design firms based in Dubai, United Arab Emirates190
- Security systems design firms based in New York, United States156
- Security systems design firms based in Bangalore, India140
- Security systems design firms based in Istanbul, Türkiye132
- Security systems design firms based in Houston, United States122
- Security systems design firms based in Mumbai, India112
- Security systems design firms based in Rio De Janeiro, Brazil108
- Security systems design firms based in Buenos Aires, Argentina100
- Security systems design firms based in Cairo, Egypt95
- Security systems design firms based in Nairobi, Kenya95
- Security systems design firms based in Lima, Peru92
- Security systems design firms based in Toronto, Canada89
- Security systems design firms based in Miami, United States88
- Security systems design firms based in Paris, France86
- Security systems design firms based in New Delhi, India85
- Security systems design firms based in Pune, India85
- Security systems design firms based in Riyadh, Saudi Arabia84
- Security systems design firms based in Bogota, Colombia82
- Security systems design firms based in Madrid, Spain79
- Security systems design firms based in Hyderabad, India77
- Security systems design firms based in Stockholm, Sweden71
- Security systems design firms based in Santiago, Chile67
- Security systems design firms based in Rome, Italy66
- Security systems design firms based in Dallas, United States65
- Security systems design firms based in Los Angeles, United States65
- Security systems design firms based in Sydney, Australia64
- Security systems design firms based in Chennai, India63
- Security systems design firms based in Belo Horizonte, Brazil62
- Security systems design firms based in Atlanta, United States61
- Security systems design firms based in Mexico City, Mexico60
- Security systems design firms based in Bucharest, Romania59
- Security systems design firms based in Melbourne, Australia58
- Security systems design firms based in Cape Town, South Africa55
- Security systems design firms based in Johannesburg, South Africa55
- Security systems design firms based in Abu Dhabi, United Arab Emirates53
- Security systems design firms based in Manchester, United Kingdom52
- Security systems design firms based in Phoenix, United States51
- Security systems design firms based in Campinas, Brazil49
- Security systems design firms based in Austin, United States48
- Security systems design firms based in Doha, Qatar48
- Security systems design firms based in Warsaw, Poland48
- Security systems design firms based in Calgary, Canada47
- Security systems design firms based in Las Vegas, United States47
- Security systems design firms based in Chicago, United States46
- Security systems design firms based in Auckland, New Zealand45
- Security systems design firms based in Montreal, Canada43
- Security systems design firms based in Ahmedabad, India42
- Security systems design firms based in Curitiba, Brazil42
- Security systems design firms based in Denver, United States41
- Security systems design firms based in San Antonio, United States41
- Security systems design firms based in Milan, Italy39
- Security systems design firms based in Berlin, Germany38
- Security systems design firms based in Birmingham, United Kingdom38
- Security systems design firms based in Tampa, United States38
- Security systems design firms based in Charlotte, United States37
- Security systems design firms based in Indianapolis, United States37
- Security systems design firms based in Glasgow, United Kingdom35
- Security systems design firms based in Orlando, United States35
- Security systems design firms based in Porto Alegre, Brazil35
- Security systems design firms based in Edmonton, Canada34
- Security systems design firms based in Mississauga, Canada34
- Security systems design firms based in Budapest, Hungary32
- Security systems design firms based in San Diego, United States32
- Security systems design firms based in Amman, Jordan31
- Security systems design firms based in Brooklyn, United States31
- Security systems design firms based in Scottsdale, United States31
- Security systems design firms based in Barcelona, Spain30
- Security systems design firms based in San Jose, United States30
- Security systems design firms based in Bristol, United Kingdom28
- Security systems design firms based in Athens, Greece27
- Security systems design firms based in Brisbane, Australia27
- Security systems design firms based in Jacksonville, United States27
- Security systems design firms based in Ottawa, Canada27
- Security systems design firms based in Panama, Panama27
- Security systems design firms based in Guadalajara, Mexico26
- Security systems design firms based in Leeds, United Kingdom26
- Security systems design firms based in Nashville, United States26
- Security systems design firms based in Belfast, United Kingdom25
- Security systems design firms based in Sacramento, United States25
Questions about this company list
What does Exact match mean for security systems design 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 security systems design firms did RevenueBase find worldwide?
The saved snapshot records 29,996 matching company records, 429,827 tracked contacts and 87,234 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 5, 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.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 security systems design firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-systems-design-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗