Company lists · Data refreshed November 2026

Top 25 IT security audit services worldwide

RevenueBase identified 3,611 company matches for IT security audit services worldwide as of November 2026 and tracks 45,478 professional contacts across them, including 7,761 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT security audit 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 5, 2026. Country and city lists for IT security audit 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 5, 2026 How this list was built
3,611Companies
45,478Contacts tracked
7,761Verified emails
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The 25 largest IT security audit services worldwide

Ranked by team size
Top 25 of 3,611 company matches for IT security audit services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchUnited StatesHQ recorded Nov 5, 2026n/a13,149 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a782 contacts →

Exact match

“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 5, 2026501-1,000733 contacts →

Exact match

“With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Nov 5, 20261,001-5,000665 contacts →

Exact match

“VikingCloud delivers cybersecurity and compliance solutions that simply work.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchFairfax, ON, United StatesHQ recorded Nov 5, 2026201-500437 contacts →

Exact match

“ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchGurgaon, IndiaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500355 contacts →

Exact match

“T A L A K U N C H I Networks Pvt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchNoida, IndiaHQ recorded Nov 5, 2026201-500258 contacts →

Exact match

“AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500257 contacts →

Exact match

“Established 26 years ago, Meta Infotech has been a trusted name in Cyber and IT Risk Assessment Services, Cybersecurity Product Consulting, Implementation & Sustenance Services…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500244 contacts →

Exact match

“Thoropass is the only end-to-end cybersecurity auditor.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCedar Hill, TX, United StatesHQ recorded Nov 5, 2026201-500243 contacts →

Exact match

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-200215 contacts →

Exact match

“CYRAAC Services Private Limited (CyRAACS) is a leading, technology-first cybersecurity consulting and advisory firm headquartered in India, empanelled with CERT-In and accredited…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchTel Aviv, IsraelHQ recorded Nov 5, 202651-200198 contacts →

Exact match

“2Bsecure Ltd.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchChantilly, United StatesHQ recorded Nov 5, 20261,001-5,000194 contacts →

Exact match

“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,000180 contacts →

Exact match

“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLas Rozas De Madrid, SpainHQ recorded Nov 5, 202651-200157 contacts →

Exact match

“Secure & IT es una empresa especializada en seguridad de la información que trabaja en cinco líneas: compliance, procesos y gobierno IT, sistemas y seguridad IT, seguridad…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNashville, TN, United StatesHQ recorded Nov 5, 202651-200141 contacts →

Exact match

“KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchNeu-isenburg, GermanyHQ recorded Nov 5, 202651-200134 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAbuja, NigeriaHQ recorded Nov 5, 202611-50128 contacts →

Exact match

“Niger Delta Power Holding Company Limited is a Computer and Network Security company located in 17 Nile Street, Abuja, FCT, Nigeria.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchMission Viejo, CA, United StatesHQ recorded Nov 5, 2026201-500127 contacts →

Exact match

“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAlexandria, VA, United StatesHQ recorded Nov 5, 2026n/a122 contacts →

Exact match

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNoida, IndiaHQ recorded Nov 5, 202611-50118 contacts →

Exact match

“Securium Solutions Private Limited is a CERT-In Empanelled cybersecurity company helping organizations secure their digital infrastructure against evolving cyber threats.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchPinhais - Alphaville, BrazilHQ recorded Nov 5, 202651-200117 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchEssen, GermanyHQ recorded Nov 5, 202651-200116 contacts →

Exact match

“TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 3,611 IT security audit services worldwide

See the full list, filter by size, metro and specialty, and access 7,761 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT security audit services worldwide at a glance

As of Nov 5, 2026
17.1%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
2,332
11-50
1,022
51-200
188
201-500
44
501-1,000
6
1,001-5,000
6
5,001-10,000
2
10001+
1

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 IT security audit services are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT security audit 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 7,761 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 5, 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.

IT security audit services by location

23 lists · largest first

Every IT security audit 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 “IT security audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT security audit services are there worldwide?

RevenueBase identified 3,611 company matches for IT security audit 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?

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

Which country has the most IT security audit services?

The United States leads with 665 companies, followed by India (349) and France (201). Every IT security audit services list by country and city is linked on this page.

Which city has the most IT security audit services?

London leads with 53 company records, followed by Paris (50) and Bangalore (33).

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 7,761 professional contacts with verified work emails tracked across these 3,611 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 5, 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.