Company lists · Data refreshed September 2026

Top 25 Counterintelligence consulting firms worldwide

RevenueBase identified 4,391 company matches for counterintelligence consulting firms worldwide as of September 2026 and tracks 40,785 professional contacts across them, including 8,689 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for counterintelligence consulting firms 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 counterintelligence consulting firms 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
4,391Companies
40,785Contacts tracked
8,689Verified emails
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The 25 largest counterintelligence consulting firms worldwide

Ranked by team size
Top 25 of 4,391 company matches for counterintelligence consulting firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAl Nakheel, Saudi ArabiaHQ recorded Sep 27, 2026501-1,0001,378 contacts →

Exact match

“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchBurbank, CA, United StatesHQ recorded Sep 27, 202610001+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 27, 2026 · View company records in RevenueBase
3Exact matchUnited StatesHQ recorded Sep 27, 20261,001-5,000916 contacts →

Exact match

“We are the intelligence services company that continually redefines the edge of the possible to keep advancing our national security interests.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Sep 27, 20261,001-5,000781 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 · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBeijing, ChinaHQ recorded Sep 27, 2026n/a771 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchHerndon, VA, United StatesHQ recorded Sep 27, 20261,001-5,000677 contacts →

Exact match

“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202610001+571 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 · Sep 27, 2026 · View company records in RevenueBase
8Exact matchMiami, FL, United StatesHQ recorded Sep 27, 20261,001-5,000553 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchParis, FranceHQ recorded Sep 27, 202651-200506 contacts →

Exact match

“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchDayton, OH, United StatesHQ recorded Sep 27, 20261,001-5,000381 contacts →

Exact match

“For 39 years, MacAulay-Brown, Inc.(MacB), an Alion Company, has been solving many of the Nation’s most complex National Security challenges.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500351 contacts →

Exact match

“S-RM is a global intelligence and cyber security consultancy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchAnnapolis, MD, United StatesHQ recorded Sep 27, 2026201-500350 contacts →

Exact match

“Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchHuntsville, AL, United StatesHQ recorded Sep 27, 2026201-500338 contacts →

Exact match

“Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchWest Coast, IsraelHQ recorded Sep 27, 2026201-500337 contacts →

Exact match

“MAX Security provides intelligence, protection, and operational support for organizations operating in complex and high-risk environments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500336 contacts →

Exact match

“Vcheck is a global investigations firm that helps institutions protect their investments by providing intelligence on individuals and entities.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchDavis, CA, United StatesHQ recorded Sep 27, 2026201-500327 contacts →

Exact match

“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchLa Plata, MD, United StatesHQ recorded Sep 27, 2026201-500312 contacts →

Exact match

“Where Mission Meets Technology.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchGlobal, United KingdomHQ recorded Sep 27, 2026201-500289 contacts →

Exact match

“Sibylline is the world’s leading private consultancy for geopolitical risk, intelligence, and strategic insight, dedicated to helping leaders and organisations anticipate change…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSalt Lake City, United StatesHQ recorded Sep 27, 2026201-500280 contacts →

Exact match

“Strider is the leading strategic intelligence company empowering organizations to secure and advance their technology and innovation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 27, 2026201-500273 contacts →

Exact match

“Babel Street delivers mission-grade risk intelligence for organizations across government, defense, and the private sector to expose hidden identities, secure vendor networks, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500268 contacts →

Exact match

“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchRijswijk, NetherlandsHQ recorded Sep 27, 2026201-500233 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchGurgaon, IndiaHQ recorded Sep 27, 202651-200218 contacts →

Exact match

“IIRIS operating under its distinct business offerings "IntelliRisk"(IR),"IntelliSense"(IS),"Security Design" and "Brand Protection" seeks to provide comprehensive intelligence…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500216 contacts →

Exact match

“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Sep 27, 202651-200207 contacts →

Exact match

“With unrivaled expertise and experience, we focus on threat actors and provide clients actionable intelligence to quickly combat and reduce the impact of adversaries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 4,391 counterintelligence consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 8,689 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Counterintelligence consulting firms worldwide at a glance

As of Sep 27, 2026
21.3%Verified-email coverage
9.3Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,757
11-50
1,186
51-200
319
201-500
83
501-1,000
17
1,001-5,000
18
5,001-10,000
3
10001+
3

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 counterintelligence consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “counterintelligence consulting firms” 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 8,689 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.

Counterintelligence consulting firms by location

24 lists · largest first

Every Counterintelligence consulting firms 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 “counterintelligence consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many counterintelligence consulting firms are there worldwide?

RevenueBase identified 4,391 company matches for counterintelligence consulting firms 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?

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

Which country has the most counterintelligence consulting firms?

The United States leads with 1,460 companies, followed by the United Kingdom (327) and France (159). Every counterintelligence consulting firms list by country and city is linked on this page.

Which city has the most counterintelligence consulting firms?

London leads with 163 company records, followed by Paris (74) and Washington (70).

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 8,689 professional contacts with verified work emails tracked across these 4,391 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.