Company lists · Data refreshed September 2026

Top 25 Financial services security firms worldwide

RevenueBase identified 18,168 company matches for financial services security firms worldwide as of September 2026 and tracks 601,361 professional contacts across them, including 72,049 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for financial services security firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for financial services security firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
18,168Companies
601,361Contacts tracked
72,049Verified emails
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The 25 largest financial services security firms worldwide

Ranked by team size
Top 25 of 18,168 company matches for financial services security firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchLondon, United KingdomHQ recorded Sep 28, 202610001+79,699 contacts →

Exact match

“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Sep 28, 202610001+40,747 contacts →

Exact match

“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchParsippany, NJ, United StatesHQ recorded Sep 28, 202610001+38,634 contacts →

Exact match

“Securitas knows Security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchSaint-laurent, CanadaHQ recorded Sep 28, 202610001+17,041 contacts →

Exact match

“GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchUnited StatesHQ recorded Sep 28, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchStockholm, SwedenHQ recorded Sep 28, 202610001+6,335 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchCork, IrelandHQ recorded Sep 28, 202610001+5,384 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 · Sep 28, 2026 · View company records in RevenueBase
8Exact matchBurnaby, BC, CanadaHQ recorded Sep 28, 202610001+4,835 contacts →

Exact match

“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSingaporeHQ recorded Sep 28, 202610001+4,610 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 · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Sep 28, 202610001+4,530 contacts →

Exact match

“A SegurPro é o próximo passo em segurança privada.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Sep 28, 202610001+4,292 contacts →

Exact match

“O que é trabalhar no Grupo Haganá?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 28, 2026n/a4,038 contacts →

Exact match

“Excelsior Defense is a security and investigations company based out of St.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchIssy-les-moulineaux, FranceHQ recorded Sep 28, 202610001+3,843 contacts →

Exact match

“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchNanterre, FranceHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16Exact matchRoswell, GA, United StatesHQ recorded Sep 28, 202610001+3,592 contacts →

Exact match

“U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchMilano, ItalyHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
18Exact matchStockholm, SwedenHQ recorded Sep 28, 20265,001-10,0003,004 contacts →

Exact match

“Securitas is a global knowledge leader in security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Sep 28, 202610001+2,772 contacts →

Exact match

“Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchLeawood, KS, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
21Exact matchSão Paulo, BrazilHQ recorded Sep 28, 20265,001-10,0002,165 contacts →

Exact match

“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchAnnapolis, MD, United StatesHQ recorded Sep 28, 20261,001-5,0002,025 contacts →

Exact match

“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
24Exact matchSchiedam, NetherlandsHQ recorded Sep 28, 20265,001-10,0001,922 contacts →

Exact match

“Elke dag zetten onze collega’s zich in voor jouw veiligheid en die van iedereen om jou heen, zodat jij je veilig voelt en veilig bent.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchEssendon Fields, AustraliaHQ recorded Sep 28, 20265,001-10,0001,813 contacts →

Exact match

“At Wilson Security, we are committed to building a safer future for everyone.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 18,168 financial services security firms worldwide

See the full list, filter by size, metro and specialty, and access 72,049 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Financial services security firms worldwide at a glance

As of Sep 28, 2026
12.0%Verified-email coverage
33.1Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
7,447
11-50
5,661
51-200
2,753
201-500
1,030
501-1,000
504
1,001-5,000
521
5,001-10,000
92
10001+
103

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 financial services security firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “financial services security firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 72,049 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 28, 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.

Financial services security firms by location

105 lists · largest first

Every Financial services security 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 “financial services security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial services security firms are there worldwide?

RevenueBase identified 18,168 company matches for financial services security firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most financial services security firms?

The United States leads with 4,629 companies, followed by the United Kingdom (1,136) and India (1,106). Every financial services security firms list by country and city is linked on this page.

Which city has the most financial services security firms?

London leads with 403 company records, followed by Sao Paulo (200) and New York (150).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 72,049 professional contacts with verified work emails tracked across these 18,168 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 28, 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.