Company lists · Data refreshed September 2026

Top 25 Security threat assessment firms worldwide

RevenueBase identified 1,563 company matches for security threat assessment firms worldwide as of September 2026 and tracks 12,930 professional contacts across them, including 2,499 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for security threat assessment 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 29, 2026. Country and city lists for security threat assessment 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 29, 2026 How this list was built
1,563Companies
12,930Contacts tracked
2,499Verified emails
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The 25 largest security threat assessment firms worldwide

Ranked by team size
Top 25 of 1,563 company matches for security threat assessment firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPearl River, NY, United StatesHQ recorded Sep 29, 20265,001-10,0001,050 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
2Exact matchNew York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3Exact matchMiami, FL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202651-200303 contacts →

Exact match

“Dexis is a mission-driven security analytics company that helps U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026201-500265 contacts →

Exact match

“Flashpoint is the leader in threat data and intelligence.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchEspanola, NM, United StatesHQ recorded Sep 29, 2026201-500151 contacts →

Exact match

“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchReston, VA, United StatesHQ recorded Sep 29, 202651-200139 contacts →

Exact match

“Our goal is to create and maintain safe environments by providing threat analysis, protection, investigations, consulting, intelligence and security training services everywhere…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchPinhais - Alphaville, BrazilHQ recorded Sep 29, 202651-200127 contacts →

Exact match

“Inspirar confiança é a meta que guia todas as nossas ações.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchFolsom, CA, United StatesHQ recorded Sep 29, 2026201-500109 contacts →

Exact match

“West Advanced Technologies, Inc.(WATI) is a California-headquartered technology solutions provider, delivering 100% success for clients from government agencies, tech companies…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchMoorpark, CA, United StatesHQ recorded Sep 29, 202651-200108 contacts →

Exact match

“Covered 6 is a global security and training company that is based in Southern California.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchWellington, New ZealandHQ recorded Sep 29, 202651-20094 contacts →

Exact match

“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026201-50091 contacts →

Exact match

“Windwalker is an award-winning small business with over 25 years of experience delivering cutting-edge security, IT, and training solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-20089 contacts →

Exact match

“We work to detect, deter, defeat, and destroy terrorism around the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSpringfield, VA, United StatesHQ recorded Sep 29, 202651-20084 contacts →

Exact match

“SGI Global provides a range of services that combat transnational criminal, drug trafficking, terrorist and insurgent organizations in asymmetric environments around the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchRogers, AR, United StatesHQ recorded Sep 29, 2026201-50081 contacts →

Exact match

“SafeHaven Security Group is trusted by some of the world’s most at-risk clients to protect their people and their brands.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchDubai, United Arab EmiratesHQ recorded Sep 29, 202651-20079 contacts →

Exact match

“Aldebaran Threat Consultants (ATC) is a firm specializing in the most granular qualitative and quantitative physical security threat reporting, analysis and bespoke consultancy…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 2026201-50073 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchTriangle, VA, United StatesHQ recorded Sep 29, 202651-20071 contacts →

Exact match

“Watermark has spent decades delivering expert security, risk management, and business analysis.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchBarnet, United KingdomHQ recorded Sep 29, 2026501-1,00058 contacts →

Exact match

“In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchWoodbridge, VA, United StatesHQ recorded Sep 29, 2026n/a57 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchAlexandria, VA, United StatesHQ recorded Sep 29, 2026201-50056 contacts →

Exact match

“Advantage SCI is a professional security and counterintelligence firm, headquartered in Alexandria, Virginia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchTarpon Springs, FL, United StatesHQ recorded Sep 29, 202611-5056 contacts →

Exact match

“ESS Global Corp is an Executive Protection and Security Consulting firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchMelbourne, AustraliaHQ recorded Sep 29, 202651-20052 contacts →

Exact match

“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchPoleg Netanya, IsraelHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“Intensity Global (IG) group is cybersecurity technology consulting company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“Our purpose is simple: we prevent bad things from happening to good people.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,563 security threat assessment firms worldwide

See the full list, filter by size, metro and specialty, and access 2,499 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security threat assessment firms worldwide at a glance

As of Sep 29, 2026
19.3%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
979
11-50
368
51-200
153
201-500
31
501-1,000
13
1,001-5,000
11
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 security threat assessment firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “security threat assessment 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 2,499 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.

Security threat assessment firms by location

7 lists · largest first

Every Security threat assessment 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 “security threat assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security threat assessment firms are there worldwide?

RevenueBase identified 1,563 company matches for security threat assessment 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?

Brosnan Risk Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most security threat assessment firms?

The United States leads with 666 companies, followed by the United Kingdom (106) and Canada (43). Every security threat assessment firms list by country and city is linked on this page.

Which city has the most security threat assessment firms?

London leads with 54 company records, followed by Washington (16) and Houston (14).

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 2,499 professional contacts with verified work emails tracked across these 1,563 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.