Company lists · Data refreshed September 2026

Top 25 Guard security companies worldwide

Name: Guard security companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 16,149 companies tracked

RevenueBase identified 16,149 company matches for guard security companies worldwide as of September 2026 and tracks 505,221 professional contacts across them, including 41,823 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for guard security companies 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 21, 2026. Country and city lists for guard security companies 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 21, 2026 How this list was built

16,149Companies

505,221Contacts tracked

41,823Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest guard security companies worldwide

Ranked by team size

Top 25 of 16,149 company matches for guard security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Allied Universal	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	10001+	62,804 contacts →
	Exact match “Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Prosegur	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	40,747 contacts →
	Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Securitas Security Services Usa, INC	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 21, 2026	10001+	38,634 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Grupo Haganá	Exact match	Sao Paulo, BrazilHQ recorded Sep 21, 2026	10001+	4,292 contacts →
	Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Unemployed	Exact match	St. Petersburg, FL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6	Securitas France	Exact match	Issy-les-moulineaux, FranceHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
7	Inter-Con Security	Exact match	Pasadena, CA, United StatesHQ recorded Sep 21, 2026	10001+	3,612 contacts →
	Exact match “EVERYWHERE SECURITY MATTERS.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	U.S. Security Associates, INC	Exact match	Roswell, GA, United StatesHQ recorded Sep 21, 2026	10001+	3,592 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Securitas Sverige AB	Exact match	Stockholm, SwedenHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	Grupo GR	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	10001+	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 21, 2026 · View company records in RevenueBase
11	Orsegups Participações S A	Exact match	São José, BrazilHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
12	Paragon Security	Exact match	Toronto, ON, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13	Andy Frain Services	Exact match	Aurora, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
14	Walden Security	Exact match	Chattanooga, TN, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15	Security Segurança E Serviços	Exact match	São Paulo, BrazilHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16	Pronet Security Services	Exact match	Istanbul, TürkiyeHQ recorded Sep 21, 2026	1,001-5,000	2,126 contacts →
	Exact match “Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Everon	Exact match	Irving, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,045 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 · Sep 21, 2026 · View company records in RevenueBase
18	Trigion	Exact match	Schiedam, NetherlandsHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
19	Wilson Security	Exact match	Essendon Fields, AustraliaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
20	Whelan Security	Exact match	St. Louis, MO, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21	HSS	Exact match	Denver, CO, United StatesHQ recorded Sep 21, 2026	5,001-10,000	1,727 contacts →
	Exact match “HSS is now Tarian!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	شركه حراسات امنيه	Exact match	جده, Saudi ArabiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
23	Sunstates Security	Exact match	Raleigh, NC, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
24	Securitas Canada	Exact match	North York, ON, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25	Securiguard Services LTD	Exact match	Burnaby, BC, CanadaHQ recorded Sep 21, 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 21, 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 “guard security companies”. 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 16,149 guard security companies worldwide

See the full list, filter by size, metro and specialty, and access 41,823 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Guard security companies worldwide at a glance

As of Sep 21, 2026

8.3%Verified-email coverage

31.3Average contacts per company

11-50Median size (employees)

2.2%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,567

11-50

4,743

51-200

3,510

201-500

1,482

501-1,000

759

1,001-5,000

698

5,001-10,000

136

10001+

112

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 guard security companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “guard security companies” 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 41,823 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 21, 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.

Guard security companies by location

46 lists · largest first

Every Guard security companies 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 “guard security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many guard security companies are there worldwide?

RevenueBase identified 16,149 company matches for guard security companies 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?

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

Which country has the most guard security companies?

The United States leads with 3,330 companies, followed by the United Kingdom (1,396) and Brazil (1,168). Every guard security companies list by country and city is linked on this page.

Which city has the most guard security companies?

London leads with 352 company records, followed by Sao Paulo (226) and New York (109).

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 41,823 professional contacts with verified work emails tracked across these 16,149 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 16,149 guard security companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.