Company lists · Data refreshed November 2026

Top 25 Information assurance companies worldwide

RevenueBase identified 9,609 company matches for information assurance companies worldwide as of November 2026 and tracks 144,304 professional contacts across them, including 42,880 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for information assurance companies 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 information assurance companies 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
9,609Companies
144,304Contacts tracked
42,880Verified emails
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The 25 largest information assurance companies worldwide

Ranked by team size
Top 25 of 9,609 company matches for information assurance companies 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 matchMclean, IL, United StatesHQ recorded Nov 6, 202610001+13,603 contacts →

Exact match

“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Nov 6, 2026n/a13,149 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchAl Nakheel, Saudi ArabiaHQ recorded Nov 6, 2026501-1,0001,514 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchDayton, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,159 contacts →

Exact match

“Committed to delivering tailored solutions and unmatched experiences, Centric Consulting is an international business and technology consulting firm that combines the benefits of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCosta Mesa, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,062 contacts →

Exact match

“Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTrevose, PA, United StatesHQ recorded Nov 6, 2026201-5001,017 contacts →

Exact match

“PPC is now part of DSA”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchQuébec, QC, CanadaHQ recorded Nov 6, 2026501-1,000751 contacts →

Exact match

“A consulting firm providing technology solutions and advisory services to both private and public sector organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCourbevoie, FranceHQ recorded Nov 6, 20261,001-5,000687 contacts →

Exact match

“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 2026501-1,000676 contacts →

Exact match

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Nov 6, 202651-200558 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500553 contacts →

Exact match

“Protection is Paramount!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCupertino, United StatesHQ recorded Nov 6, 20261,001-5,000514 contacts →

Exact match

“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 20265,001-10,000510 contacts →

Exact match

“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFrederick, ID, United StatesHQ recorded Nov 6, 2026501-1,000468 contacts →

Exact match

“Edgewater Federal Solutions was founded in 2002 with the mission of being the best IT consulting company possible for our government clients, our contracting partners and our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-500413 contacts →

Exact match

“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCharleston, SC, United StatesHQ recorded Nov 6, 202651-200412 contacts →

Exact match

“Gov Solutions Group (GovSG) is a Charleston, SC based Information Technology consulting firm that provides a complete offering of technical solutions to government and commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,000400 contacts →

Exact match

“NEVERHACK is a French group specialized in cybersecurity for over 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-500385 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCoburg, AustraliaHQ recorded Nov 6, 2026501-1,000383 contacts →

Exact match

“We are an Australian-owned, full-service managed ICT solutions and cyber security provider with a sovereign team of 500+ across Australia & New Zealand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHaymarket, AustraliaHQ recorded Nov 6, 2026201-500376 contacts →

Exact match

“AC3 is a leading Australian-owned and operated technology services provider helping organisations across government, healthcare, financial services, and critical infrastructure…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 2026201-500372 contacts →

Exact match

“Intelligent Technical Solutions (ITS) is a Managed Security Service Provider (MSSP) helping growing and mid-market organizations improve IT performance, strengthen cybersecurity…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 6, 2026201-500370 contacts →

Exact match

“Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).”

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

Showing 25 of 9,609 information assurance companies worldwide

See the full list, filter by size, metro and specialty, and access 42,880 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information assurance companies worldwide at a glance

As of Nov 6, 2026
29.7%Verified-email coverage
15.0Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
5,598
11-50
2,929
51-200
812
201-500
152
501-1,000
33
1,001-5,000
33
5,001-10,000
9
10001+
8

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 information assurance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “information assurance companies” 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 42,880 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.

Information assurance companies by location

78 lists · largest first

Every Information assurance companies 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 “information assurance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information assurance companies are there worldwide?

RevenueBase identified 9,609 company matches for information assurance companies 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?

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

Which country has the most information assurance companies?

The United States leads with 2,571 companies, followed by India (576) and the United Kingdom (572). Every information assurance companies list by country and city is linked on this page.

Which city has the most information assurance companies?

London leads with 205 company records, followed by Paris (115) and Sao Paulo (105).

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 42,880 professional contacts with verified work emails tracked across these 9,609 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.