Company lists · Data refreshed September 2026

Top 25 Security architecture firms worldwide

RevenueBase identified 13,102 company matches for security architecture firms worldwide as of September 2026 and tracks 204,825 professional contacts across them, including 46,394 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for security architecture firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for security architecture 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
13,102Companies
204,825Contacts tracked
46,394Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest security architecture firms worldwide

Ranked by team size
Top 25 of 13,102 company matches for security architecture firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchUnited StatesHQ recorded Sep 29, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchHoffman Estates, IL, United StatesHQ recorded Sep 29, 202610001+5,707 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 · Sep 29, 2026 · View company records in RevenueBase
3Exact matchNanterre, FranceHQ recorded Sep 29, 20261,001-5,0003,673 contacts →

Exact match

“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Sep 29, 202610001+3,620 contacts →

Exact match

“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchMilano, ItalyHQ recorded Sep 29, 202610001+3,387 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 · Sep 29, 2026 · View company records in RevenueBase
6Exact matchAlpharetta, GA, United StatesHQ recorded Sep 29, 2026n/a2,678 contacts →

Exact match

“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchCulver City, CA, United StatesHQ recorded Sep 29, 20265,001-10,0002,500 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLeawood, KS, United StatesHQ recorded Sep 29, 20261,001-5,0002,222 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 · Sep 29, 2026 · View company records in RevenueBase
9Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 202610001+1,949 contacts →

Exact match

“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchDiegem, BelgiumHQ recorded Sep 29, 20265,001-10,0001,419 contacts →

Exact match

“See a different world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchDubai, United Arab EmiratesHQ recorded Sep 29, 20261,001-5,0001,398 contacts →

Exact match

“World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchAl Nakheel, Saudi ArabiaHQ recorded Sep 29, 2026501-1,0001,378 contacts →

Exact match

“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchReston, VA, United StatesHQ recorded Sep 29, 20261,001-5,0001,232 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 202610001+1,118 contacts →

Exact match

“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchPearl River, NY, United StatesHQ recorded Sep 29, 20265,001-10,0001,050 contacts →

Exact match

“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchCiudad De Mexico, MexicoHQ recorded Sep 29, 20261,001-5,0001,041 contacts →

Exact match

“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchHoofddorp, NetherlandsHQ recorded Sep 29, 20261,001-5,0001,026 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchMarseille, FranceHQ recorded Sep 29, 202610001+1,007 contacts →

Exact match

“La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 29, 2026501-1,000849 contacts →

Exact match

“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Sep 29, 2026501-1,000763 contacts →

Exact match

“With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchWestwood, MA, United StatesHQ recorded Sep 29, 20261,001-5,000748 contacts →

Exact match

“Improving Security.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchTunapuna, Trinidad and TobagoHQ recorded Sep 29, 20261,001-5,000726 contacts →

Exact match

“Established in 1983 and incorporated in 1986, Amalgamated Security Services Limited is a reputable company that provides a variety of security services to its clientele which…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchLas Palmas De Gran Canaria, SpainHQ recorded Sep 29, 2026n/a671 contacts →

Exact match

“SCI, Servicios de Consultoría Independiente, S.L.(Independent Consulting Services Ltd.) is the company that owns Arquero Corporate System® which maintenance, evolution and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSpainHQ recorded Sep 29, 20261,001-5,000659 contacts →

Exact match

“comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchHerndon, United StatesHQ recorded Sep 29, 20261,001-5,000636 contacts →

Exact match

“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 13,102 security architecture firms worldwide

See the full list, filter by size, metro and specialty, and access 46,394 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Security architecture firms worldwide at a glance

As of Sep 29, 2026
22.7%Verified-email coverage
15.6Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
6,593
11-50
4,445
51-200
1,328
201-500
373
501-1,000
150
1,001-5,000
134
5,001-10,000
16
10001+
19

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 architecture firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “security architecture 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 46,394 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Security architecture firms by location

84 lists · largest first

Every Security architecture firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 architecture firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security architecture firms are there worldwide?

RevenueBase identified 13,102 company matches for security architecture firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most security architecture firms?

The United States leads with 3,334 companies, followed by India (745) and the United Kingdom (718). Every security architecture firms list by country and city is linked on this page.

Which city has the most security architecture firms?

London leads with 239 company records, followed by Sao Paulo (130) and Dubai (110).

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 46,394 professional contacts with verified work emails tracked across these 13,102 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 13,102 security architecture firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.