Company lists · Data refreshed September 2026
Top 25 Financial services security firms worldwide
RevenueBase identified 18,168 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 financial services security firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. 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 Smart Search, 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 financial services security firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 79,699 contacts → | ||||
Partial evidence “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 40,747 contacts → | ||||
Indirect evidence “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 38,634 contacts → | ||||
Partial evidence “Securitas knows Security.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 17,041 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 12,771 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 6,335 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 5,384 contacts → | ||||
Partial evidence “Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4,835 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4,610 contacts → | ||||
Partial evidence “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4,530 contacts → | ||||
Indirect evidence “A SegurPro é o próximo passo em segurança privada.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4,292 contacts → | ||||
Indirect evidence “O que é trabalhar no Grupo Haganá?” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4,038 contacts → | ||||
Partial evidence “Excelsior Defense is a security and investigations company based out of St.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3,843 contacts → | ||||
Partial evidence “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3,673 contacts → | ||||
Indirect evidence “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3,620 contacts → | ||||
Partial evidence “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3,592 contacts → | ||||
Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3,387 contacts → | ||||
Partial evidence “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3,004 contacts → | ||||
Partial evidence “Securitas is a global knowledge leader in security.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2,772 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2,222 contacts → | ||||
Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2,165 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2,025 contacts → | ||||
Indirect evidence “Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1,949 contacts → | ||||
Partial evidence “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1,922 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1,813 contacts → | ||||
Partial evidence “At Wilson Security, we are committed to building a safer future for everyone.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: financial services security firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names financial services security firms.
- Partial evidence
- Its own public description names part of financial services security firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name financial services security firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 18,168 financial services security firms worldwide
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Financial services security firms worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among financial services security firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, 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
- Companies worldwide whose own description of what they do matches “financial services security firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names financial services security firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among financial services security firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 72,049 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Financial services security firms by location
105 lists · largest firstEvery 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
- Financial services security firms based in the United States4,629
- Financial services security firms based in the United Kingdom1,136
- Financial services security firms based in India1,106
- Financial services security firms based in Brazil710
- Financial services security firms based in France645
- Financial services security firms based in Canada638
- Financial services security firms based in Australia517
- Financial services security firms based in Germany429
- Financial services security firms based in the Netherlands399
- Financial services security firms based in Mexico367
- Financial services security firms based in South Africa337
- Financial services security firms based in Italy269
- Financial services security firms based in Spain265
- Financial services security firms based in the United Arab Emirates248
- Financial services security firms based in Argentina206
- Financial services security firms based in Colombia169
- Financial services security firms based in Chile168
- Financial services security firms based in Switzerland137
- Financial services security firms based in Peru132
- Financial services security firms based in Nigeria128
- Financial services security firms based in Türkiye125
- Financial services security firms based in Pakistan111
- Financial services security firms based in Israel107
- Financial services security firms based in Saudi Arabia107
- Financial services security firms based in Singapore100
- Financial services security firms based in Indonesia99
- Financial services security firms based in Sweden98
- Financial services security firms based in Poland97
- Financial services security firms based in Belgium92
- Financial services security firms based in Malaysia86
- Financial services security firms based in Ecuador79
- Financial services security firms based in Egypt77
- Financial services security firms based in Romania72
- Financial services security firms based in New Zealand69
- Financial services security firms based in the Philippines61
- Financial services security firms based in Greece55
- Financial services security firms based in Portugal54
- Financial services security firms based in Ireland50
- Financial services security firms based in Austria47
- Financial services security firms based in Denmark45
- Financial services security firms based in Japan43
- Financial services security firms based in Qatar43
- Financial services security firms based in Finland38
- Financial services security firms based in Hungary37
- Financial services security firms based in Ukraine35
- Financial services security firms based in the Dominican Republic35
- Financial services security firms based in Norway29
- Financial services security firms based in Thailand28
Cities
- Financial services security firms based in London, United Kingdom390
- Financial services security firms based in Sao Paulo, Brazil200
- Financial services security firms based in New York, United States150
- Financial services security firms based in Dubai, United Arab Emirates141
- Financial services security firms based in Paris, France139
- Financial services security firms based in Toronto, Canada123
- Financial services security firms based in Houston, United States90
- Financial services security firms based in Los Angeles, United States90
- Financial services security firms based in New Delhi, India89
- Financial services security firms based in Melbourne, Australia87
- Financial services security firms based in Singapore, Singapore85
- Financial services security firms based in Sydney, Australia85
- Financial services security firms based in Miami, United States81
- Financial services security firms based in Mumbai, India81
- Financial services security firms based in Dallas, United States76
- Financial services security firms based in Pune, India73
- Financial services security firms based in Chicago, United States70
- Financial services security firms based in Atlanta, United States68
- Financial services security firms based in Bangalore, India67
- Financial services security firms based in Johannesburg, South Africa67
- Financial services security firms based in Madrid, Spain64
- Financial services security firms based in Hyderabad, India62
- Financial services security firms based in Riyadh, Saudi Arabia62
- Financial services security firms based in Bogota, Colombia60
- Financial services security firms based in Washington, United States58
- Financial services security firms based in Istanbul, Türkiye54
- Financial services security firms based in Berlin, Germany52
- Financial services security firms based in Rio De Janeiro, Brazil51
- Financial services security firms based in Amsterdam, Netherlands50
- Financial services security firms based in Montreal, Canada49
- Financial services security firms based in Austin, United States48
- Financial services security firms based in Chennai, India48
- Financial services security firms based in Bengaluru, India45
- Financial services security firms based in Denver, United States45
- Financial services security firms based in Santiago, Chile45
- Financial services security firms based in Tampa, United States44
- Financial services security firms based in Ahmedabad, India42
- Financial services security firms based in Calgary, Canada41
- Financial services security firms based in Charlotte, United States40
- Financial services security firms based in Ottawa, Canada40
- Financial services security firms based in San Francisco, United States39
- Financial services security firms based in Stockholm, Sweden39
- Financial services security firms based in Phoenix, United States38
- Financial services security firms based in Quito, Ecuador38
- Financial services security firms based in Las Vegas, United States35
- Financial services security firms based in Arlington, United States34
- Financial services security firms based in Auckland, New Zealand33
- Financial services security firms based in Vancouver, Canada33
- Financial services security firms based in Seattle, United States32
- Financial services security firms based in Boston, United States31
- Financial services security firms based in Columbia, United States31
- Financial services security firms based in Gurgaon, India30
- Financial services security firms based in Baltimore, United States29
- Financial services security firms based in Tel Aviv, Israel29
- Financial services security firms based in Warszawa, Poland29
- Financial services security firms based in Birmingham, United Kingdom27
- Financial services security firms based in Brisbane, Australia27
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names financial services security firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many financial services security firms are there worldwide?
RevenueBase identified 18,168 financial services security firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
G4s, headquartered in London, tops this list with the largest team on record.
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 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 72,049 verified decision-maker contacts tracked across these 18,168 companies.
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 Smart Search, 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.