Company lists · Data refreshed September 2026

Top 25 Corporate security consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 19,636 companies tracked

RevenueBase identified 19,636 company matches for corporate security consulting companies worldwide as of September 2026 and tracks 483,254 professional contacts across them, including 58,815 with verified work emails. The United States is the largest market and London the largest hub.

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

19,636Companies

483,254Contacts tracked

58,815Verified emails

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The 25 largest corporate security consulting companies worldwide

Ranked by team size

Top 25 of 19,636 company matches for corporate security consulting companies 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	Private Sector	Exact match	United StatesHQ recorded Sep 27, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Securitas Nederland	Exact match	Breukelen, United StatesHQ recorded Sep 27, 2026	1,001-5,000	10,843 contacts →
	Exact match “Businesses face a wide range of risks and hazards that they, in one way or another, have to deal with.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Securitas Group	Exact match	Stockholm, SwedenHQ recorded Sep 27, 2026	10001+	6,335 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 27, 2026	10001+	5,707 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Graber Sistemas DE Segurança	Exact match	Barueri, BrazilHQ recorded Sep 27, 2026	10001+	4,572 contacts →
	Exact match “A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	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
9	Alliedbarton Security Services	Exact match	Santa Ana, United StatesHQ recorded Sep 27, 2026	10001+	4,358 contacts →
	Exact match “We've merged!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Securitas Seguridad España	Exact match	Madrid, SpainHQ recorded Sep 27, 2026	10001+	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 27, 2026 · View company records in RevenueBase
11	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
12	Sicuritalia S.P.A	Exact match	Milano, ItalyHQ recorded Sep 27, 2026	10001+	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 27, 2026 · View company records in RevenueBase
13	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
14	Grupo GR	Exact match	São Paulo, BrazilHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
15	Security Industry Specialists	Exact match	Culver City, CA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	2,500 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 · Sep 27, 2026 · View company records in RevenueBase
16	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
17	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,222 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 27, 2026 · View company records in RevenueBase
18	Everon	Exact match	Irving, TX, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
19	Crisis24	Exact match	Annapolis, MD, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,025 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 27, 2026 · View company records in RevenueBase
20	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 27, 2026	10001+	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 27, 2026 · View company records in RevenueBase
21	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
22	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
23	Grupo Belfort	Exact match	São Paulo, BrazilHQ recorded Sep 27, 2026	5,001-10,000	1,686 contacts →
	Exact match “Fundada em 1990, o Grupo Belfort foi criado para oferecer soluções integradas de proteção e segurança.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	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
25	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

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 consulting 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 19,636 corporate security consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 58,815 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate security consulting companies worldwide at a glance

As of Sep 27, 2026

12.2%Verified-email coverage

24.6Average contacts per company

11-50Median size (employees)

2.2%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

9,454

11-50

5,618

51-200

2,453

201-500

926

501-1,000

473

1,001-5,000

476

5,001-10,000

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 consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “corporate security consulting 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 58,815 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 consulting companies by location

110 lists · largest first

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

How many corporate security consulting companies are there worldwide?

RevenueBase identified 19,636 company matches for corporate security consulting 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?

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 consulting companies?

The United States leads with 4,716 companies, followed by the United Kingdom (1,316) and India (882). Every corporate security consulting companies list by country and city is linked on this page.

Which city has the most corporate security consulting companies?

London leads with 437 company records, followed by Sao Paulo (238) and Paris (167).

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 58,815 professional contacts with verified work emails tracked across these 19,636 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.