Company lists · Data refreshed September 2026

Top 25 Corporate security contractors worldwide

Name: Corporate security contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 13,139 companies tracked

RevenueBase identified 13,139 company matches for corporate security contractors worldwide as of September 2026 and tracks 412,338 professional contacts across them, including 32,083 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for corporate security contractors 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 27, 2026. Country and city lists for corporate security contractors 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 27, 2026 How this list was built

13,139Companies

412,338Contacts tracked

32,083Verified emails

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The 25 largest corporate security contractors worldwide

Ranked by team size

Top 25 of 13,139 company matches for corporate security contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Prosegur	Exact match	Madrid, SpainHQ recorded Sep 27, 2026	10001+	40,747 contacts →
	Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Securitas Security Services Usa, INC	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 27, 2026	10001+	38,634 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Certis	Exact match	SingaporeHQ recorded Sep 27, 2026	10001+	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 27, 2026 · View company records in RevenueBase
4	Segurpro	Exact match	Sao Paulo, BrazilHQ recorded Sep 27, 2026	10001+	4,530 contacts →
	Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Grupo Haganá	Exact match	Sao Paulo, BrazilHQ recorded Sep 27, 2026	10001+	4,292 contacts →
	Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Unemployed	Exact match	St. Petersburg, FL, United StatesHQ recorded Sep 27, 2026	n/a	4,038 contacts →
	Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Securitas France	Exact match	Issy-les-moulineaux, FranceHQ recorded Sep 27, 2026	10001+	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 27, 2026 · View company records in RevenueBase
8	Inter-Con Security	Exact match	Pasadena, CA, United StatesHQ recorded Sep 27, 2026	10001+	3,612 contacts →
	Exact match “EVERYWHERE SECURITY MATTERS.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	U.S. Security Associates, INC	Exact match	Roswell, GA, United StatesHQ recorded Sep 27, 2026	10001+	3,592 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Securitas Sverige AB	Exact match	Stockholm, SwedenHQ recorded Sep 27, 2026	5,001-10,000	3,004 contacts →
	Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Orsegups Participações S A	Exact match	São José, BrazilHQ recorded Sep 27, 2026	5,001-10,000	2,462 contacts →
	Exact match “A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Paragon Security	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	1,001-5,000	2,365 contacts →
	Exact match “Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Andy Frain Services	Exact match	Aurora, IL, United StatesHQ recorded Sep 27, 2026	5,001-10,000	2,266 contacts →
	Exact match “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Walden Security	Exact match	Chattanooga, TN, United StatesHQ recorded Sep 27, 2026	5,001-10,000	2,174 contacts →
	Exact match “Through an ISO® 9001:2015 Certified Quality Management System (QMS), Walden Security has earned an award-winning reputation for business excellence and employee satisfaction…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Security Segurança E Serviços	Exact match	São Paulo, BrazilHQ recorded Sep 27, 2026	5,001-10,000	2,165 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 27, 2026 · View company records in RevenueBase
16	Trigion	Exact match	Schiedam, NetherlandsHQ recorded Sep 27, 2026	5,001-10,000	1,922 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 27, 2026 · View company records in RevenueBase
17	Wilson Security	Exact match	Essendon Fields, AustraliaHQ recorded Sep 27, 2026	5,001-10,000	1,813 contacts →
	Exact match “At Wilson Security, we are committed to building a safer future for everyone.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Whelan Security	Exact match	St. Louis, MO, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,781 contacts →
	Exact match “Whelan’s commitment to quality and service has made us one of the foremost respected, successful and fastest growing companies in the industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	HSS	Exact match	Denver, CO, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,727 contacts →
	Exact match “HSS is now Tarian!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	شركه حراسات امنيه	Exact match	جده, Saudi ArabiaHQ recorded Sep 27, 2026	n/a	1,699 contacts →
	Exact match “نحن شركه تعمل في مجال الحراسات والخدمات الامنيه نقدم افضل الخدمات:مشرفين امن حراس امن *سيارات امنيه” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Sunstates Security	Exact match	Raleigh, NC, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,639 contacts →
	Exact match “Sunstates Security, LLC is one of the industry's leading providers of contract security services with a differentiated approach to providing successful, cost-effective, quality…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Securitas Canada	Exact match	North York, ON, CanadaHQ recorded Sep 27, 2026	5,001-10,000	1,632 contacts →
	Exact match “Over 90 years of protecting the things that matter, we’ve seen more than most.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Securiguard Services LTD	Exact match	Burnaby, BC, CanadaHQ recorded Sep 27, 2026	1,001-5,000	1,464 contacts →
	Exact match “Securiguard Services Limited has been at the forefront of the asset protection arena for 50 years by being a leading-edge innovative security and safety solutions provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Admiral Security Services	Exact match	Bethesda, MD, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,441 contacts →
	Exact match “Admiral Security Services provides professional armed and unarmed uniformed security officers, unparalleled site management and unwavering corporate support that exceeds client…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Securitas Belgium	Exact match	Diegem, BelgiumHQ recorded Sep 27, 2026	5,001-10,000	1,419 contacts →
	Exact match “See a different world.” Recorded in the RevenueBase company graph · Sep 27, 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 “corporate security contractors”. 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 13,139 corporate security contractors worldwide

See the full list, filter by size, metro and specialty, and access 32,083 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate security contractors worldwide at a glance

As of Sep 27, 2026

7.8%Verified-email coverage

31.4Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

3,517

11-50

3,833

51-200

2,922

201-500

1,262

501-1,000

650

1,001-5,000

634

5,001-10,000

122

10001+

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 corporate security contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “corporate security contractors” 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 32,083 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 27, 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.

Corporate security contractors by location

46 lists · largest first

Every Corporate security contractors 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 “corporate security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate security contractors are there worldwide?

RevenueBase identified 13,139 company matches for corporate security contractors 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?

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

Which country has the most corporate security contractors?

The United States leads with 2,510 companies, followed by the United Kingdom (1,027) and France (739). Every corporate security contractors list by country and city is linked on this page.

Which city has the most corporate security contractors?

London leads with 302 company records, followed by Sao Paulo (175) and New York (93).

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 32,083 professional contacts with verified work emails tracked across these 13,139 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 27, 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.