Company lists · Data refreshed September 2026

Top 25 Cyber consulting companies worldwide

Name: Cyber consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 39,629 companies tracked

RevenueBase identified 39,629 company matches for cyber consulting companies worldwide as of September 2026 and tracks 426,135 professional contacts across them, including 118,060 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cyber consulting 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 September 21, 2026. Country and city lists for cyber consulting 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 Sep 21, 2026 How this list was built

39,629Companies

426,135Contacts tracked

118,060Verified emails

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The 25 largest cyber consulting companies worldwide

Ranked by team size

Top 25 of 39,629 company matches for cyber consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Private Sector	Exact match	United StatesHQ recorded Sep 21, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 21, 2026	5,001-10,000	4,925 contacts →
	Exact match “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Sep 21, 2026	1,001-5,000	3,673 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	NRI Group	Exact match	Chiyoda-ku, JapanHQ recorded Sep 21, 2026	10001+	2,979 contacts →
	Exact match “We align our goals with our clients’ goals – a true partnership that ensures shared success.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,222 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 · Sep 21, 2026 · View company records in RevenueBase
6	Inspira Enterprise	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,773 contacts →
	Exact match “Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Nava Tech For Business	Exact match	Barueri, BrazilHQ recorded Sep 21, 2026	1,001-5,000	1,452 contacts →
	Exact match “Atuamos no core de empresas líderes em seus segmentos, onde tecnologia, estratégia e operação se encontram.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Airbus Protect	Exact match	Blagnac, FranceHQ recorded Sep 21, 2026	1,001-5,000	1,431 contacts →
	Exact match “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Sep 21, 2026	501-1,000	1,378 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 21, 2026 · View company records in RevenueBase
10	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,252 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,232 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 · Sep 21, 2026 · View company records in RevenueBase
12	V-Soft Consulting Group, INC	Exact match	Louisville, KY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,221 contacts →
	Exact match “V-Soft Consulting, an innovative corporation specializing in Information Technology consulting; including staffing, digital, and infrastructure solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Imperva	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	10001+	1,217 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Accenture Greece	Exact match	Kifisia, GreeceHQ recorded Sep 21, 2026	1,001-5,000	1,171 contacts →
	Exact match “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Centric Consulting	Exact match	Dayton, OH, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,113 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 · Sep 21, 2026 · View company records in RevenueBase
16	Synoptek	Exact match	Costa Mesa, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,037 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 · Sep 21, 2026 · View company records in RevenueBase
17	Irdeto	Exact match	Hoofddorp, NetherlandsHQ recorded Sep 21, 2026	1,001-5,000	1,026 contacts →
	Exact match “Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	PPC	Exact match	Trevose, PA, United StatesHQ recorded Sep 21, 2026	201-500	979 contacts →
	Exact match “PPC is now part of DSA” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	947 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	BCG Platinion	Exact match	Cologne, GermanyHQ recorded Sep 21, 2026	1,001-5,000	925 contacts →
	Exact match “At BCG Platinion, we leverage our expertise alongside the unique experiences of our teams to accelerate digital transformations for our clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Ensign Infosecurity	Exact match	SingaporeHQ recorded Sep 21, 2026	501-1,000	888 contacts →
	Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	501-1,000	874 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Sep 21, 2026	1,001-5,000	844 contacts →
	Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Buchanan Technologies	Exact match	Grapevine, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	818 contacts →
	Exact match “As a leading IT consulting and outsourcing services firm, Buchanan Technologies helps organizations across North America turn their business technology into a powerful competitive…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	SQUAD	Exact match	Paris, FranceHQ recorded Sep 21, 2026	501-1,000	803 contacts →
	Exact match “The growing threat of cyber risks, the expansion of cloud computing and the emergence of the DevOps movement are reshaping IT practices, enlighting the relevance of our vision for…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cyber consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 39,629 cyber consulting companies worldwide

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Cyber consulting companies worldwide at a glance

As of Sep 21, 2026

27.7%Verified-email coverage

10.8Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

23,774

11-50

12,043

51-200

2,833

201-500

573

501-1,000

163

1,001-5,000

113

5,001-10,000

10001+

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 cyber consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cyber consulting 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 118,060 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 21, 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.

Cyber consulting companies by location

222 lists · largest first

Every Cyber consulting 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 “cyber consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cyber consulting companies are there worldwide?

RevenueBase identified 39,629 company matches for cyber consulting companies 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?

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

Which country has the most cyber consulting companies?

The United States leads with 10,227 companies, followed by India (2,989) and the United Kingdom (2,098). Every cyber consulting companies list by country and city is linked on this page.

Which city has the most cyber consulting companies?

London leads with 779 company records, followed by Sao Paulo (422) and Paris (347).

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 118,060 professional contacts with verified work emails tracked across these 39,629 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 21, 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.