Company lists · Data refreshed November 2026
Top 25 Security design firms worldwide
RevenueBase identified 20,832 company matches for security design firms worldwide as of November 2026 and tracks 406,892 professional contacts across them, including 59,162 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security 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 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 design firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 40,551 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 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 | |||||
| 5 | 5,755 contacts → | ||||
Exact match “Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 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 | |||||
| 7 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 4,040 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 3,132 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 2,579 contacts → | ||||
Exact match “The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 2,372 contacts → | ||||
Exact match “Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 2,369 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 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 | |||||
| 19 | 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 | |||||
| 20 | 1,562 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 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 | |||||
| 23 | 1,449 contacts → | ||||
Exact match “See a different world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 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 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 20,832 security design firms worldwide
See the full list, filter by size, metro and specialty, and access 59,162 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security 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 design firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security 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 59,162 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 design firms by location
97 lists · largest firstEvery Security design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security design firms based in the United States5,143
- Security design firms based in the United Kingdom1,737
- Security design firms based in Brazil967
- Security design firms based in France927
- Security design firms based in India648
- Security design firms based in Canada642
- Security design firms based in Italy566
- Security design firms based in Germany537
- Security design firms based in Australia514
- Security design firms based in the Netherlands459
- Security design firms based in Mexico397
- Security design firms based in Spain384
- Security design firms based in South Africa317
- Security design firms based in Argentina273
- Security design firms based in Belgium223
- Security design firms based in Colombia221
- Security design firms based in Chile210
- Security design firms based in Türkiye207
- Security design firms based in Sweden196
- Security design firms based in the United Arab Emirates194
- Security design firms based in Peru160
- Security design firms based in Switzerland149
- Security design firms based in Poland130
- Security design firms based in Romania113
- Security design firms based in Egypt102
- Security design firms based in Portugal102
- Security design firms based in Saudi Arabia88
- Security design firms based in Ireland86
- Security design firms based in New Zealand77
- Security design firms based in Ecuador75
- Security design firms based in Denmark71
- Security design firms based in Greece61
- Security design firms based in Israel58
- Security design firms based in Malaysia58
- Security design firms based in the Philippines57
- Security design firms based in Hungary55
- Security design firms based in Indonesia54
- Security design firms based in Czechia50
- Security design firms based in Qatar50
- Security design firms based in Austria42
- Security design firms based in Russia40
- Security design firms based in Serbia40
- Security design firms based in Finland32
- Security design firms based in Norway32
- Security design firms based in Croatia26
- Security design firms based in Panama25
Cities
- Security design firms based in London, United Kingdom292
- Security design firms based in Sao Paulo, Brazil220
- Security design firms based in New York, United States157
- Security design firms based in Houston, United States103
- Security design firms based in Dubai, United Arab Emirates97
- Security design firms based in Los Angeles, United States82
- Security design firms based in Paris, France81
- Security design firms based in Miami, United States80
- Security design firms based in Toronto, Canada80
- Security design firms based in Buenos Aires, Argentina78
- Security design firms based in Bangalore, India67
- Security design firms based in Dallas, United States67
- Security design firms based in Istanbul, Türkiye66
- Security design firms based in Atlanta, United States64
- Security design firms based in Santiago, Chile62
- Security design firms based in Rio De Janeiro, Brazil60
- Security design firms based in Madrid, Spain56
- Security design firms based in Austin, United States55
- Security design firms based in Sydney, Australia53
- Security design firms based in Stockholm, Sweden52
- Security design firms based in Cairo, Egypt50
- Security design firms based in Melbourne, Australia48
- Security design firms based in Las Vegas, United States46
- Security design firms based in Berlin, Germany45
- Security design firms based in New Delhi, India44
- Security design firms based in Chicago, United States43
- Security design firms based in Johannesburg, South Africa42
- Security design firms based in Cape Town, South Africa41
- Security design firms based in Orlando, United States39
- Security design firms based in Denver, United States38
- Security design firms based in Rome, Italy38
- Security design firms based in Pune, India37
- Security design firms based in Montreal, Canada36
- Security design firms based in Tampa, United States36
- Security design firms based in Calgary, Canada35
- Security design firms based in Manchester, United Kingdom35
- Security design firms based in San Antonio, United States35
- Security design firms based in Charlotte, United States34
- Security design firms based in Phoenix, United States33
- Security design firms based in San Diego, United States33
- Security design firms based in Auckland, New Zealand32
- Security design firms based in San Francisco, United States31
- Security design firms based in Doha, Qatar30
- Security design firms based in Mississauga, Canada30
- Security design firms based in Nashville, United States30
- Security design firms based in Washington, United States30
- Security design firms based in Barcelona, Spain29
- Security design firms based in Baltimore, United States28
- Security design firms based in Milan, Italy26
- Security design firms based in Ottawa, Canada26
- Security design firms based in Indianapolis, 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 design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security design firms are there worldwide?
RevenueBase identified 20,832 company matches for security 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 Security Services Usa, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security design firms?
The United States leads with 5,143 companies, followed by the United Kingdom (1,737) and Brazil (967). Every security design firms list by country and city is linked on this page.
Which city has the most security design firms?
London leads with 304 company records, followed by Sao Paulo (220) and New York (157).
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 59,162 professional contacts with verified work emails tracked across these 20,832 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.
Ready to reach these companies? Verified emails and direct dials for all 20,832 security design firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 security 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 20,832 matching company records for security design firms worldwide, with 406,892 tracked contacts and 59,162 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 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 Security Services Usa, INCsecuritasinc.comHQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  TYCOtyco.comHQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  Grupo GRgrupogr.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,132 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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. | |||||
| 14 | HQ: Culver City, NY, United StatesReported employees: 5,001-10,000 | Culver City, NY, United States | 5,001-10,000 | Exact match | 2,579 contacts → |
“The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Paragon Securityparagonsecurity.caHQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 2,372 contacts → |
“Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Security Segurança E Serviçossousecurity.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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. | |||||
| 18 |  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. | |||||
| 19 |  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. | |||||
| 20 |  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. | |||||
| 21 |  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. | |||||
| 22 |  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. | |||||
| 23 |  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. | |||||
| 24 |  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. | |||||
| 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 20,832 company matches
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Security 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
20,530 records in the displayed employee bands.
302 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 20,832 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 design firms by location
97 lists · largest firstEvery Security design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security design firms based in the United States5,143
- Security design firms based in the United Kingdom1,737
- Security design firms based in Brazil967
- Security design firms based in France927
- Security design firms based in India648
- Security design firms based in Canada642
- Security design firms based in Italy566
- Security design firms based in Germany537
- Security design firms based in Australia514
- Security design firms based in the Netherlands459
- Security design firms based in Mexico397
- Security design firms based in Spain384
- Security design firms based in South Africa317
- Security design firms based in Argentina273
- Security design firms based in Belgium223
- Security design firms based in Colombia221
- Security design firms based in Chile210
- Security design firms based in Türkiye207
- Security design firms based in Sweden196
- Security design firms based in the United Arab Emirates194
- Security design firms based in Peru160
- Security design firms based in Switzerland149
- Security design firms based in Poland130
- Security design firms based in Romania113
- Security design firms based in Egypt102
- Security design firms based in Portugal102
- Security design firms based in Saudi Arabia88
- Security design firms based in Ireland86
- Security design firms based in New Zealand77
- Security design firms based in Ecuador75
- Security design firms based in Denmark71
- Security design firms based in Greece61
- Security design firms based in Israel58
- Security design firms based in Malaysia58
- Security design firms based in the Philippines57
- Security design firms based in Hungary55
- Security design firms based in Indonesia54
- Security design firms based in Czechia50
- Security design firms based in Qatar50
- Security design firms based in Austria42
- Security design firms based in Russia40
- Security design firms based in Serbia40
- Security design firms based in Finland32
- Security design firms based in Norway32
- Security design firms based in Croatia26
- Security design firms based in Panama25
Cities
- Security design firms based in London, United Kingdom292
- Security design firms based in Sao Paulo, Brazil220
- Security design firms based in New York, United States157
- Security design firms based in Houston, United States103
- Security design firms based in Dubai, United Arab Emirates97
- Security design firms based in Los Angeles, United States82
- Security design firms based in Paris, France81
- Security design firms based in Miami, United States80
- Security design firms based in Toronto, Canada80
- Security design firms based in Buenos Aires, Argentina78
- Security design firms based in Bangalore, India67
- Security design firms based in Dallas, United States67
- Security design firms based in Istanbul, Türkiye66
- Security design firms based in Atlanta, United States64
- Security design firms based in Santiago, Chile62
- Security design firms based in Rio De Janeiro, Brazil60
- Security design firms based in Madrid, Spain56
- Security design firms based in Austin, United States55
- Security design firms based in Sydney, Australia53
- Security design firms based in Stockholm, Sweden52
- Security design firms based in Cairo, Egypt50
- Security design firms based in Melbourne, Australia48
- Security design firms based in Las Vegas, United States46
- Security design firms based in Berlin, Germany45
- Security design firms based in New Delhi, India44
- Security design firms based in Chicago, United States43
- Security design firms based in Johannesburg, South Africa42
- Security design firms based in Cape Town, South Africa41
- Security design firms based in Orlando, United States39
- Security design firms based in Denver, United States38
- Security design firms based in Rome, Italy38
- Security design firms based in Pune, India37
- Security design firms based in Montreal, Canada36
- Security design firms based in Tampa, United States36
- Security design firms based in Calgary, Canada35
- Security design firms based in Manchester, United Kingdom35
- Security design firms based in San Antonio, United States35
- Security design firms based in Charlotte, United States34
- Security design firms based in Phoenix, United States33
- Security design firms based in San Diego, United States33
- Security design firms based in Auckland, New Zealand32
- Security design firms based in San Francisco, United States31
- Security design firms based in Doha, Qatar30
- Security design firms based in Mississauga, Canada30
- Security design firms based in Nashville, United States30
- Security design firms based in Washington, United States30
- Security design firms based in Barcelona, Spain29
- Security design firms based in Baltimore, United States28
- Security design firms based in Milan, Italy26
- Security design firms based in Ottawa, Canada26
- Security design firms based in Indianapolis, United States25
Questions about this company list
What does Exact match mean for security 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 design firms did RevenueBase find worldwide?
The saved snapshot records 20,832 matching company records, 406,892 tracked contacts and 59,162 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 design firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-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 design firms worldwide
RevenueBase records 20,832 matching company records for security design firms worldwide, with 406,892 tracked contacts and 59,162 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 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 Security Services Usa, INCsecuritasinc.com HQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | TYCOtyco.com HQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Grupo GRgrupogr.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,132 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | HQ: Culver City, NY, United StatesReported employees: 5,001-10,000 | Culver City, NY, United States | 5,001-10,000 | Exact match | 2,579 contacts → |
“The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Paragon Securityparagonsecurity.ca HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 2,372 contacts → |
“Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Security Segurança E Serviçossousecurity.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | 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. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | 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. | |||||
| 22 | 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. | |||||
| 23 | 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. | |||||
| 24 | 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. | |||||
| 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 20,832 company matches
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Security 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
20,530 records in the displayed employee bands.
302 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 20,832 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 design firms by location
97 lists · largest firstEvery Security design firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security design firms based in the United States5,143
- Security design firms based in the United Kingdom1,737
- Security design firms based in Brazil967
- Security design firms based in France927
- Security design firms based in India648
- Security design firms based in Canada642
- Security design firms based in Italy566
- Security design firms based in Germany537
- Security design firms based in Australia514
- Security design firms based in the Netherlands459
- Security design firms based in Mexico397
- Security design firms based in Spain384
- Security design firms based in South Africa317
- Security design firms based in Argentina273
- Security design firms based in Belgium223
- Security design firms based in Colombia221
- Security design firms based in Chile210
- Security design firms based in Türkiye207
- Security design firms based in Sweden196
- Security design firms based in the United Arab Emirates194
- Security design firms based in Peru160
- Security design firms based in Switzerland149
- Security design firms based in Poland130
- Security design firms based in Romania113
- Security design firms based in Egypt102
- Security design firms based in Portugal102
- Security design firms based in Saudi Arabia88
- Security design firms based in Ireland86
- Security design firms based in New Zealand77
- Security design firms based in Ecuador75
- Security design firms based in Denmark71
- Security design firms based in Greece61
- Security design firms based in Israel58
- Security design firms based in Malaysia58
- Security design firms based in the Philippines57
- Security design firms based in Hungary55
- Security design firms based in Indonesia54
- Security design firms based in Czechia50
- Security design firms based in Qatar50
- Security design firms based in Austria42
- Security design firms based in Russia40
- Security design firms based in Serbia40
- Security design firms based in Finland32
- Security design firms based in Norway32
- Security design firms based in Croatia26
- Security design firms based in Panama25
Cities
- Security design firms based in London, United Kingdom292
- Security design firms based in Sao Paulo, Brazil220
- Security design firms based in New York, United States157
- Security design firms based in Houston, United States103
- Security design firms based in Dubai, United Arab Emirates97
- Security design firms based in Los Angeles, United States82
- Security design firms based in Paris, France81
- Security design firms based in Miami, United States80
- Security design firms based in Toronto, Canada80
- Security design firms based in Buenos Aires, Argentina78
- Security design firms based in Bangalore, India67
- Security design firms based in Dallas, United States67
- Security design firms based in Istanbul, Türkiye66
- Security design firms based in Atlanta, United States64
- Security design firms based in Santiago, Chile62
- Security design firms based in Rio De Janeiro, Brazil60
- Security design firms based in Madrid, Spain56
- Security design firms based in Austin, United States55
- Security design firms based in Sydney, Australia53
- Security design firms based in Stockholm, Sweden52
- Security design firms based in Cairo, Egypt50
- Security design firms based in Melbourne, Australia48
- Security design firms based in Las Vegas, United States46
- Security design firms based in Berlin, Germany45
- Security design firms based in New Delhi, India44
- Security design firms based in Chicago, United States43
- Security design firms based in Johannesburg, South Africa42
- Security design firms based in Cape Town, South Africa41
- Security design firms based in Orlando, United States39
- Security design firms based in Denver, United States38
- Security design firms based in Rome, Italy38
- Security design firms based in Pune, India37
- Security design firms based in Montreal, Canada36
- Security design firms based in Tampa, United States36
- Security design firms based in Calgary, Canada35
- Security design firms based in Manchester, United Kingdom35
- Security design firms based in San Antonio, United States35
- Security design firms based in Charlotte, United States34
- Security design firms based in Phoenix, United States33
- Security design firms based in San Diego, United States33
- Security design firms based in Auckland, New Zealand32
- Security design firms based in San Francisco, United States31
- Security design firms based in Doha, Qatar30
- Security design firms based in Mississauga, Canada30
- Security design firms based in Nashville, United States30
- Security design firms based in Washington, United States30
- Security design firms based in Barcelona, Spain29
- Security design firms based in Baltimore, United States28
- Security design firms based in Milan, Italy26
- Security design firms based in Ottawa, Canada26
- Security design firms based in Indianapolis, United States25
Questions about this company list
What does Exact match mean for security 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 design firms did RevenueBase find worldwide?
The saved snapshot records 20,832 matching company records, 406,892 tracked contacts and 59,162 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 design firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-design-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗