Company lists · Data refreshed November 2026

Top 25 Close protection services worldwide

Name: Close protection services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 16,015 companies tracked

RevenueBase identified 16,015 company matches for close protection services worldwide as of November 2026 and tracks 621,416 professional contacts across them, including 46,478 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for close protection services 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 November 6, 2026. Country and city lists for close protection services 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 Nov 6, 2026 How this list was built

16,015Companies

621,416Contacts tracked

46,478Verified emails

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

The 25 largest close protection services worldwide

Ranked by team size

Top 25 of 16,015 company matches for close protection services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	G4s	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	86,236 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 · Nov 6, 2026 · View company records in RevenueBase
2	Prosegur	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	10001+	46,086 contacts →
	Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Securitas Security Services Usa, INC	Exact match	Parsippany, MI, United StatesHQ recorded Nov 6, 2026	10001+	40,551 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Gardaworld	Exact match	Saint-laurent, FL, CanadaHQ recorded Nov 6, 2026	10001+	17,987 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 · Nov 6, 2026 · View company records in RevenueBase
5	International SOS	Exact match	SingaporeHQ recorded Nov 6, 2026	10001+	10,262 contacts →
	Exact match “The International SOS Group of Companies has been in the business of saving lives for over 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Gocil Tecnologia EM Segurança E Serviços	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	10001+	8,791 contacts →
	Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Securitas Group	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	10001+	7,033 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Segurpro	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	10001+	5,254 contacts →
	Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	U.S. Security Associates, INC	Exact match	Roswell, UT, United StatesHQ recorded Nov 6, 2026	10001+	4,263 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Unemployed	Exact match	St. Petersburg, FL, United StatesHQ recorded Nov 6, 2026	n/a	4,040 contacts →
	Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Securitas Seguridad España	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	10001+	3,955 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 · Nov 6, 2026 · View company records in RevenueBase
12	Inter-Con Security	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	10001+	3,921 contacts →
	Exact match “Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Liderman	Exact match	Lima, PeruHQ recorded Nov 6, 2026	10001+	3,635 contacts →
	Exact match “Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	SSI	Exact match	United KingdomHQ recorded Nov 6, 2026	n/a	3,204 contacts →
	Exact match “Specialist Security Company offering worldwide protection services to a niche` market of VIP's and travelling executives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Securitas Sverige AB	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	5,001-10,000	3,053 contacts →
	Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Triple Canopy A Constellis Company	Exact match	Herndon, VA, United StatesHQ recorded Nov 6, 2026	10001+	2,953 contacts →
	Exact match “Triple Canopy is a Constellis company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Orsegups Participações S A	Exact match	São José, BrazilHQ recorded Nov 6, 2026	5,001-10,000	2,635 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 · Nov 6, 2026 · View company records in RevenueBase
18	Security Industry Specialists	Exact match	Culver City, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,579 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 · Nov 6, 2026 · View company records in RevenueBase
19	Andy Frain Services	Exact match	Aurora, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,393 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 · Nov 6, 2026 · View company records in RevenueBase
20	Paragon Security	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	2,372 contacts →
	Exact match “Founded in 1976, Paragon Security is Ontario’s largest privately owned security company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Crisis24	Exact match	Annapolis, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,207 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 · Nov 6, 2026 · View company records in RevenueBase
22	MSS Security	Exact match	Parramatta, AustraliaHQ recorded Nov 6, 2026	5,001-10,000	2,182 contacts →
	Exact match “The MSS Security Group (MSS) comprising MSS Security, MSS Strategic Medical & Rescue and SDS is unrivalled in its experience, capability and reputation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Pinkerton Comprehensive Risk Management	Exact match	Ann Arbor, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,136 contacts →
	Exact match “Pinkerton, established in 1850 by Allan Pinkerton, stands as a leading global provider of security and risk management solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Trigion	Exact match	Schiedam, NetherlandsHQ recorded Nov 6, 2026	5,001-10,000	2,103 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 · Nov 6, 2026 · View company records in RevenueBase
25	Wilson Security	Exact match	Essendon Fields, AustraliaHQ recorded Nov 6, 2026	5,001-10,000	1,964 contacts →
	Exact match “At Wilson Security, we are committed to building a safer future for everyone.” Recorded in the RevenueBase company graph · Nov 6, 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 “close protection services”. 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 16,015 close protection services worldwide

See the full list, filter by size, metro and specialty, and access 46,478 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Close protection services worldwide at a glance

As of Nov 6, 2026

7.5%Verified-email coverage

38.8Average contacts per company

11-50Median size (employees)

3.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,741

11-50

4,661

51-200

3,341

201-500

1,422

501-1,000

711

1,001-5,000

713

5,001-10,000

132

10001+

113

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 close protection services are linked below.
What qualifies: Company records worldwide whose business descriptions match “close protection services” 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 46,478 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 November 6, 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.

Close protection services by location

75 lists · largest first

Every Close protection services 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 “close protection services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many close protection services are there worldwide?

RevenueBase identified 16,015 company matches for close protection services worldwide as of November 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 close protection services?

The United States leads with 3,654 companies, followed by the United Kingdom (1,521) and France (795). Every close protection services list by country and city is linked on this page.

Which city has the most close protection services?

London leads with 526 company records, followed by Sao Paulo (155) and New York (144).

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 46,478 professional contacts with verified work emails tracked across these 16,015 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 16,015 close protection services 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.