Company lists · Data refreshed November 2026

Top 25 Critical infrastructure protection consultants worldwide

RevenueBase identified 8,576 company matches for critical infrastructure protection consultants worldwide as of November 2026 and tracks 134,825 professional contacts across them, including 43,265 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for critical infrastructure protection consultants 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 critical infrastructure protection consultants 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
8,576Companies
134,825Contacts tracked
43,265Verified emails
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The 25 largest critical infrastructure protection consultants worldwide

Ranked by team size
Top 25 of 8,576 company matches for critical infrastructure protection consultants 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSingaporeHQ recorded Nov 6, 202610001+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
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+7,043 contacts →

Exact match

“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NE, United StatesHQ recorded Nov 6, 202610001+6,880 contacts →

Exact match

“In an era where risks are multiplying and increasingly interconnected, Moody’s helps organizations make sense of the complexities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,200 contacts →

Exact match

“Control Risks is a global specialist risk consultancy that helps to create secure, compliant and resilient organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAnnapolis, United StatesHQ recorded Nov 6, 20261,001-5,0002,207 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
6Exact matchLeawood, KS, United StatesHQ recorded Nov 6, 20261,001-5,0002,171 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAnn Arbor, MI, United StatesHQ recorded Nov 6, 20261,001-5,0002,136 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
8Exact matchColumbia, NV, United StatesHQ recorded Nov 6, 20261,001-5,0001,755 contacts →

Exact match

“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBp12936, FranceHQ recorded Nov 6, 202610001+1,572 contacts →

Exact match

“ICTS Europe is Europe’s leading security specialist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBlagnac, FranceHQ recorded Nov 6, 20261,001-5,0001,515 contacts →

Exact match

“Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLeatherhead, United KingdomHQ recorded Nov 6, 20261,001-5,0001,506 contacts →

Exact match

“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20265,001-10,0001,465 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,346 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202610001+1,254 contacts →

Exact match

“In an ever-changing and complex world, security enables innovation, leads to opportunity, and drives progress.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMorrisville, NC, United StatesHQ recorded Nov 6, 2026501-1,0001,244 contacts →

Exact match

“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPearl River, CA, United StatesHQ recorded Nov 6, 20265,001-10,0001,080 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSpring, United StatesHQ recorded Nov 6, 20261,001-5,000912 contacts →

Exact match

“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000839 contacts →

Exact match

“AEGIS is a London based, privately owned, British security and risk management company with overseas offices in Afghanistan, Bahrain, Iraq and the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,000829 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBeijing, ChinaHQ recorded Nov 6, 2026n/a823 contacts →

Exact match

“Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLagos, NigeriaHQ recorded Nov 6, 2026501-1,000677 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+585 contacts →

Exact match

“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMiami, FL, United StatesHQ recorded Nov 6, 20261,001-5,000585 contacts →

Exact match

“Security Alliance is a highly experienced provider of security solutions for private and business environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 2026501-1,000553 contacts →

Exact match

“World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStrongsville, ON, United StatesHQ recorded Nov 6, 202651-200481 contacts →

Exact match

“AFIMAC Global: Trusted Crisis Management & Business Continuity Partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 8,576 critical infrastructure protection consultants worldwide

See the full list, filter by size, metro and specialty, and access 43,265 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Critical infrastructure protection consultants worldwide at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
5,348
11-50
2,233
51-200
644
201-500
177
501-1,000
50
1,001-5,000
68
5,001-10,000
12
10001+
16

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 critical infrastructure protection consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “critical infrastructure protection consultants” 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 43,265 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.

Critical infrastructure protection consultants by location

58 lists · largest first

Every Critical infrastructure protection consultants 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 “critical infrastructure protection consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many critical infrastructure protection consultants are there worldwide?

RevenueBase identified 8,576 company matches for critical infrastructure protection consultants 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?

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

Which country has the most critical infrastructure protection consultants?

The United States leads with 2,201 companies, followed by the United Kingdom (850) and Australia (397). Every critical infrastructure protection consultants list by country and city is linked on this page.

Which city has the most critical infrastructure protection consultants?

London leads with 335 company records, followed by Paris (102) and Sao Paulo (89).

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 43,265 professional contacts with verified work emails tracked across these 8,576 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.

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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.