Company lists · Data refreshed September 2026

Top 25 Physical security consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 10,335 companies tracked

RevenueBase identified 10,335 company matches for physical security consulting companies worldwide as of September 2026 and tracks 160,859 professional contacts across them, including 21,130 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for physical 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 29, 2026. Country and city lists for physical 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 29, 2026 How this list was built

10,335Companies

160,859Contacts tracked

21,130Verified emails

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The 25 largest physical security consulting companies worldwide

Ranked by team size

Top 25 of 10,335 company matches for physical security consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Private Sector	Exact match	United StatesHQ recorded Sep 29, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Securitas Seguridad España	Exact match	Madrid, SpainHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3	U.S. Security Associates, INC	Exact match	Roswell, GA, United StatesHQ recorded Sep 29, 2026	10001+	3,592 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Sicuritalia S.P.A	Exact match	Milano, ItalyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	Paragon Security	Exact match	Toronto, ON, CanadaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Icts Europe	Exact match	Bp12936, FranceHQ recorded Sep 29, 2026	10001+	1,455 contacts →
	Exact match “ICTS Europe is Europe’s leading security specialist.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Guardsmark	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	10001+	1,375 contacts →
	Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	First Security Group LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 29, 2026	5,001-10,000	1,374 contacts →
	Exact match “First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Comando G8	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	5,001-10,000	1,361 contacts →
	Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Titan Security Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,138 contacts →
	Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Andrews International	Exact match	Burbank, CA, United StatesHQ recorded Sep 29, 2026	10001+	1,081 contacts →
	Exact match “Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	St. Moritz Security Services, INC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	1,062 contacts →
	Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Brosnan Risk Consultants	Exact match	Pearl River, NY, United StatesHQ recorded Sep 29, 2026	5,001-10,000	1,050 contacts →
	Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Sep 29, 2026	10001+	1,007 contacts →
	Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	CIS Security Limited	Exact match	London, United KingdomHQ recorded Sep 29, 2026	1,001-5,000	919 contacts →
	Exact match “CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Security 101	Exact match	West Palm Beach, FL, United StatesHQ recorded Sep 29, 2026	501-1,000	849 contacts →
	Exact match “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Securitas Norge	Exact match	Oslo, NorwayHQ recorded Sep 29, 2026	5,001-10,000	792 contacts →
	Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Northeast Security INC	Exact match	Westwood, MA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	748 contacts →
	Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Sabico Seguridad	Exact match	SpainHQ recorded Sep 29, 2026	1,001-5,000	659 contacts →
	Exact match “comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Halogen Group	Exact match	Lagos, NigeriaHQ recorded Sep 29, 2026	501-1,000	642 contacts →
	Exact match “Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Professional Security Consultants, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	626 contacts →
	Exact match “Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Securitas Uruguay	Exact match	Montevideo, UruguayHQ recorded Sep 29, 2026	1,001-5,000	612 contacts →
	Exact match “Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Icts UK & Ireland	Exact match	London, United KingdomHQ recorded Sep 29, 2026	1,001-5,000	597 contacts →
	Exact match “Part of ICTS Europe Group, ICTS UK & Ireland is a professional services firm which has been specialised in security risk for the past 39+ years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	AL Sraiya Security Services SSS	Exact match	Al Messila, QatarHQ recorded Sep 29, 2026	1,001-5,000	593 contacts →
	Exact match “Welcome to Al Sraiya Security Services!” Recorded in the RevenueBase company graph · Sep 29, 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 “physical 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 10,335 physical security consulting companies worldwide

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Physical security consulting companies worldwide at a glance

As of Sep 29, 2026

13.1%Verified-email coverage

15.6Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

5,618

11-50

2,907

51-200

1,041

201-500

347

501-1,000

165

1,001-5,000

151

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 physical security consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “physical 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 21,130 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 29, 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.

Physical security consulting companies by location

54 lists · largest first

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

How many physical security consulting companies are there worldwide?

RevenueBase identified 10,335 company matches for physical 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?

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

Which country has the most physical security consulting companies?

The United States leads with 2,459 companies, followed by the United Kingdom (728) and France (457). Every physical security consulting companies list by country and city is linked on this page.

Which city has the most physical security consulting companies?

London leads with 224 company records, followed by Sao Paulo (139) and Paris (86).

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 21,130 professional contacts with verified work emails tracked across these 10,335 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 29, 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.