Company lists · Data refreshed September 2026

Top 25 Osint consulting firms worldwide

Name: Osint consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 8,479 companies tracked

RevenueBase identified 8,479 osint consulting firms worldwide as of September 2026 and tracks 85,564 professional contacts across them, including 22,809 with verified work emails. The United States is the largest market and London the largest hub.

This list covers osint consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for osint consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

8,479Companies

85,564Contacts tracked

22,809Verified emails

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The 25 largest osint consulting firms worldwide

Ranked by team size

Top 25 of 8,479 osint consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to osint consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	NRI Group	Indirect evidence	Chiyoda-ku, JapanHQ checked Sep 29, 2026	10001+	2,979 contacts →
	Indirect evidence “We align our goals with our clients’ goals – a true partnership that ensures shared success.” Source: RevenueBase Database · checked Sep 29, 2026
2	Systems Planning & Analysis	Indirect evidence	Alexandria, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,092 contacts →
	Indirect evidence “Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights for critical national security programs.” Source: RevenueBase Database · checked Sep 29, 2026
3	Site سايت	Indirect evidence	Al Nakheel, Saudi ArabiaHQ checked Sep 29, 2026	501-1,000	1,378 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
4	Guidepoint Security	Indirect evidence	Reston, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,232 contacts →
	Indirect evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 29, 2026
5	Cellebrite	Indirect evidence	Vienna, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,230 contacts →
	Indirect evidence “Cellebrite is the leader in digital intelligence and investigative analytics, partnering with public and private organizations to transform how they manage data in investigations…” Source: RevenueBase Database · checked Sep 29, 2026
6	JANES	Indirect evidence	Croydon, United KingdomHQ checked Sep 29, 2026	501-1,000	608 contacts →
	Indirect evidence “In a complex global landscape, leaders need accurate information and full context quickly.” Source: RevenueBase Database · checked Sep 29, 2026
7	High Beam Global HBG	Indirect evidence	Gurugram, IndiaHQ checked Sep 29, 2026	51-200	546 contacts →
	Indirect evidence “HBG is a market intelligence firm offering insightful, validated & high quality qualitative & quantitative research data solutions to clients across the globe.” Source: RevenueBase Database · checked Sep 29, 2026
8	own.security	Indirect evidence	Paris, FranceHQ checked Sep 29, 2026	51-200	506 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026
9	Macaulay-Brown, Inc. Macb , An Alion Company	Indirect evidence	Dayton, OH, United StatesHQ checked Sep 29, 2026	1,001-5,000	381 contacts →
	Indirect evidence “For 39 years, MacAulay-Brown, Inc.(MacB), an Alion Company, has been solving many of the Nation’s most complex National Security challenges.” Source: RevenueBase Database · checked Sep 29, 2026
10	Esec Forte Technologies	Partial evidence	Gurugram, IndiaHQ checked Sep 29, 2026	201-500	363 contacts →
	Partial evidence “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Source: RevenueBase Database · checked Sep 29, 2026
11	Altamira Technologies Corporation	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 29, 2026	501-1,000	352 contacts →
	Indirect evidence “Altamira Technologies, a Parsons Company, is a top open source technology company in the national security space.” Source: RevenueBase Database · checked Sep 29, 2026
12	S-Rm	Indirect evidence	London, United KingdomHQ checked Sep 29, 2026	201-500	351 contacts →
	Indirect evidence “S-RM is a global intelligence and cyber security consultancy.” Source: RevenueBase Database · checked Sep 29, 2026
13	Deep Water Point & Associates	Indirect evidence	Annapolis, MD, United StatesHQ checked Sep 29, 2026	201-500	350 contacts →
	Indirect evidence “Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.” Source: RevenueBase Database · checked Sep 29, 2026
14	Dark Wolf	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 29, 2026	501-1,000	348 contacts →
	Indirect evidence “Dark Wolf provides DevSecOps agile software development, information operations, penetration testing and incident response, applied research and rapid prototyping, machine…” Source: RevenueBase Database · checked Sep 29, 2026
15	Coherent Market Insights	Partial evidence	Pune, IndiaHQ checked Sep 29, 2026	201-500	346 contacts →
	Partial evidence “Coherent Market Insights is a global market intelligence and consulting organization focused on assisting our plethora of clients achieve transformational growth by helping them…” Source: RevenueBase Database · checked Sep 29, 2026
16	Bishop FOX	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 29, 2026	201-500	344 contacts →
	Indirect evidence “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Source: RevenueBase Database · checked Sep 29, 2026
17	Penlink	Indirect evidence	Lincoln, NE, United StatesHQ checked Sep 29, 2026	201-500	342 contacts →
	Indirect evidence “Trusted Innovation for Intelligent Decisions” Source: RevenueBase Database · checked Sep 29, 2026
18	Sentar INC	Indirect evidence	Huntsville, AL, United StatesHQ checked Sep 29, 2026	201-500	338 contacts →
	Indirect evidence “Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.” Source: RevenueBase Database · checked Sep 29, 2026
19	MAX Security	Indirect evidence	West Coast, IsraelHQ checked Sep 29, 2026	201-500	337 contacts →
	Indirect evidence “MAX Security provides intelligence, protection, and operational support for organizations operating in complex and high-risk environments.” Source: RevenueBase Database · checked Sep 29, 2026
20	Vcheck	Indirect evidence	New York, NY, United StatesHQ checked Sep 29, 2026	201-500	336 contacts →
	Indirect evidence “Vcheck is a global investigations firm that helps institutions protect their investments by providing intelligence on individuals and entities.” Source: RevenueBase Database · checked Sep 29, 2026
21	ACERT	Indirect evidence	São Paulo, BrazilHQ checked Sep 29, 2026	51-200	331 contacts →
	Indirect evidence “A Acert é uma assessoria e consultoria especializada em prevenir e solucionar perdas financeiras advindas de processos inadequados ou fraudulentos.” Source: RevenueBase Database · checked Sep 29, 2026
22	IANS	Indirect evidence	Boston, MA, United StatesHQ checked Sep 29, 2026	51-200	327 contacts →
	Indirect evidence “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Source: RevenueBase Database · checked Sep 29, 2026
23	Digistream Investigations	Indirect evidence	Davis, CA, United StatesHQ checked Sep 29, 2026	201-500	327 contacts →
	Indirect evidence “DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.” Source: RevenueBase Database · checked Sep 29, 2026
24	Transparency Market Research	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 29, 2026	201-500	325 contacts →
	Indirect evidence “Transparency Market Research Pvt.” Source: RevenueBase Database · checked Sep 29, 2026
25	Dataprotect	Indirect evidence	Casablanca, MoroccoHQ checked Sep 29, 2026	51-200	324 contacts →
	Indirect evidence “DATAPROTECT is a company that is specialized in information security.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: osint consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names osint consulting firms.
Partial evidence: Its own public description names part of osint consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name osint consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 8,479 osint consulting firms worldwide

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Osint consulting firms worldwide at a glance

As of Sep 29, 2026

26.7%Verified-email coverage

10.1Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

5,302

11-50

2,357

51-200

600

201-500

140

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among osint consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for osint consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “osint consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names osint consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among osint consulting firms, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 22,809 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Osint consulting firms by location

54 lists · largest first

Every Osint 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names osint consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many osint consulting firms are there worldwide?

RevenueBase identified 8,479 osint consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

NRI Group, headquartered in Tokyo, tops this list with the largest team on record.

Which country has the most osint consulting firms?

The United States leads with 2,168 companies, followed by the United Kingdom (556) and France (393). Every osint consulting firms list by country and city is linked on this page.

Which city has the most osint consulting firms?

London leads with 272 headquartered companies, followed by Paris (163) and Sao Paulo (127).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 22,809 verified decision-maker contacts tracked across these 8,479 companies.

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 Smart Search, 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.