Company lists · Data refreshed November 2026

Top 25 Intelligence gathering services worldwide

RevenueBase identified 4,674 company matches for intelligence gathering services worldwide as of November 2026 and tracks 73,481 professional contacts across them, including 17,743 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for intelligence gathering services 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 intelligence gathering services 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
4,674Companies
73,481Contacts tracked
17,743Verified emails
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The 25 largest intelligence gathering services worldwide

Ranked by team size
Top 25 of 4,674 company matches for intelligence gathering services 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 matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,116 contacts →

Exact match

“In a world drowning in data, we deliver clarity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHerzliya, IsraelHQ recorded Nov 6, 20261,001-5,0001,506 contacts →

Exact match

“Cognyte is a leading software-driven technology company focused on solutions for investigative analytics that enable customers to generate Actionable Intelligence for a Safer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVienna, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,314 contacts →

Exact match

“Cellebrite is the leader in digital intelligence and investigative analytics, partnering with public and private organizations to transform how they manage data in investigations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHyderabad, IndiaHQ recorded Nov 6, 20261,001-5,0001,268 contacts →

Exact match

“GD Research Center Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBurbank, CA, United StatesHQ recorded Nov 6, 202610001+1,216 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000958 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000862 contacts →

Exact match

“L-3 National Security Solutions was acquired by CACI International Inc on February 1, 2016.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500847 contacts →

Exact match

“BBC Monitoring provides trusted analysis of global media to help you make sense of complex narratives and world events.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDenver, CO, United StatesHQ recorded Nov 6, 20261,001-5,000758 contacts →

Exact match

“Mission-critical intelligence for modern engineering and supply chain organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000727 contacts →

Exact match

“SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20261,001-5,000696 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000679 contacts →

Exact match

“Infiniti Research is a leading provider of market intelligence and customer intelligence solutions with 20+ years’ experience spanning across 20+ industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCroydon, VA, United KingdomHQ recorded Nov 6, 2026501-1,000646 contacts →

Exact match

“In a complex global landscape, leaders need accurate information and full context quickly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000646 contacts →

Exact match

“We provide high performing intelligence that answers critical business questions for leading companies around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500590 contacts →

Exact match

“Over the last 15 years Ascentrik Research has served top companies in Europe, US, Middle East, Africa and Asia, across multiple industries and sectors, from 3 facilities in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200536 contacts →

Exact match

“HBG is a market intelligence firm offering insightful, validated & high quality qualitative & quantitative research data solutions to clients across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500526 contacts →

Exact match

“IndustryARC™ was started by a group of young, passionate professionals along with extensively experienced industry veterans across various business segments and focused expertise…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIndore, IndiaHQ recorded Nov 6, 2026501-1,000525 contacts →

Exact match

“For over two decades, ClearTrail Technologies has been serving federal and law enforcement agencies with powerful intelligence and investigation technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500470 contacts →

Exact match

“BoardEx is the leading provider of executive intelligence and relationship mapping solutions, working with premier organizations across the academic, corporate, executive search…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, NY, United KingdomHQ recorded Nov 6, 2026501-1,000462 contacts →

Exact match

“Savanta is a fast-growing data, market research and advisory company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026501-1,000456 contacts →

Exact match

“Tegus, by AlphaSense is the leading company intelligence platform for key decision makers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOttawa, CanadaHQ recorded Nov 6, 2026201-500440 contacts →

Exact match

“When data is complex and the mission is critical, law enforcement, intelligence agencies, and security organizations trust JSI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,000378 contacts →

Exact match

“A full-service firm with the proven capabilities to manage all facets of your company’s security requirements, Norred & Associates, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDayton, VA, United StatesHQ recorded Nov 6, 20261,001-5,000370 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500367 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,674 intelligence gathering services worldwide

See the full list, filter by size, metro and specialty, and access 17,743 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Intelligence gathering services worldwide at a glance

As of Nov 6, 2026
24.1%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
5.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,571
11-50
1,376
51-200
457
201-500
130
501-1,000
48
1,001-5,000
56
5,001-10,000
10
10001+
6

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 intelligence gathering services are linked below.
What qualifies
Company records worldwide whose business descriptions match “intelligence gathering services” 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 17,743 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.

Intelligence gathering services by location

28 lists · largest first

Every Intelligence gathering services 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 “intelligence gathering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many intelligence gathering services are there worldwide?

RevenueBase identified 4,674 company matches for intelligence gathering services 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?

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

Which country has the most intelligence gathering services?

The United States leads with 1,251 companies, followed by the United Kingdom (403) and India (327). Every intelligence gathering services list by country and city is linked on this page.

Which city has the most intelligence gathering services?

London leads with 250 company records, followed by New York (83) and Washington (63).

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 17,743 professional contacts with verified work emails tracked across these 4,674 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.