Company lists · Data refreshed September 2026

Top 25 IT compliance and audit services worldwide

RevenueBase identified 4,094 IT compliance and audit services worldwide as of September 2026 and tracks 26,094 professional contacts across them, including 8,559 with verified work emails. The United States is the largest market and London the largest hub.

This list covers IT compliance and audit services 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 28, 2026. Country and city lists for IT compliance and audit services 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 28, 2026 86% judged on-target in blind review
4,094Companies
26,094Contacts tracked
8,559Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT compliance and audit services worldwide

Ranked by team size
Top 25 of 4,094 IT compliance and audit services worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT compliance and audit services: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceFairfax, VA, United StatesHQ checked Sep 28, 2026201-500411 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceStockholm, SwedenHQ checked Sep 28, 2026201-500321 contacts →

Partial evidence

“Advisense is a leading governance, risk and compliance powerhouse, offering best-in-class services and tech solutions to the European industry.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceNashville, TN, United StatesHQ checked Sep 28, 2026201-500272 contacts →

Strong evidence

“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 2026201-500268 contacts →

Indirect evidence

“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceCarlsbad, CA, United StatesHQ checked Sep 28, 2026201-500266 contacts →

Partial evidence

“Vaisesika Consulting is a global tech and consulting firm that helps businesses transform their digital setups and stay compliant in a straightforward way.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceCedar Hill, TX, United StatesHQ checked Sep 28, 2026201-500255 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidencePalo Alto, CA, United StatesHQ checked Sep 28, 202651-200248 contacts →

Partial evidence

“Governance, Risk, and Compliance simplified for new-age businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceBengaluru, IndiaHQ checked Sep 28, 202651-200221 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceReston, VA, United StatesHQ checked Sep 28, 20261,001-5,000204 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceHørsholm, DenmarkHQ checked Sep 28, 202651-200194 contacts →

Partial evidence

“Epista Life Science is a team of experts working at the intersection of business priorities and compliance requirements.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceMadrid, SpainHQ checked Sep 28, 202651-200183 contacts →

Indirect evidence

“Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceTampa, FL, United StatesHQ checked Sep 28, 2026201-500174 contacts →

Partial evidence

“Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceChantilly, VA, United StatesHQ checked Sep 28, 20261,001-5,000170 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceAustin, TX, United StatesHQ checked Sep 28, 20261,001-5,000167 contacts →

Indirect evidence

“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceRehovot, IsraelHQ checked Sep 28, 202651-200167 contacts →

Indirect evidence

“Citadel is an Information Security Consulting company.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceChennai, IndiaHQ checked Sep 28, 202651-200157 contacts →

Partial evidence

“India's No.1 Audit Platform Transforming GRC and Audit through AI Tools and our Expertise Welcome to the Future!”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceBengaluru East, IndiaHQ checked Sep 28, 202651-200155 contacts →

Partial evidence

“Tsaaro People Consulting redefines Digital Trust through specialist talent and advisory across Privacy, Cybersecurity, AI Governance, and Risk & Compliance.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidencePort Louis, MauritiusHQ checked Sep 28, 202651-200153 contacts →

Partial evidence

“BDO IT Consulting is a trustworthy firm with a strong and longstanding reputation that has extensive local and international experience in providing IT Governance and Consulting…”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceTel-aviv, IsraelHQ checked Sep 28, 202651-200140 contacts →

Indirect evidence

“Comsec is a leading global cybersecurity consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceNashville, TN, United StatesHQ checked Sep 28, 202651-200139 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceCiudad De Buenos Aires, ArgentinaHQ checked Sep 28, 202651-200133 contacts →

Indirect evidence

“We are BTR Consulting, a flexible, dynamic, and different company with the ability to deliver solutions at both regional and global levels.”

Source: RevenueBase Database · checked Sep 28, 2026
22Strong evidenceMiddletown, CT, United StatesHQ checked Sep 28, 202651-200132 contacts →

Strong evidence

“Charles IT is the Northeast's compliance expert.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceSt Petersburg, FL, RussiaHQ checked Sep 28, 202651-200130 contacts →

Partial evidence

“360 Advanced is a relationship-focused cybersecurity and compliance firm offering security, privacy and compliance-oriented solutions customized to meet your organization and your…”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidencePinhais - Alphaville, BrazilHQ checked Sep 28, 202651-200127 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200126 contacts →

Indirect evidence

“We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 4,094 IT compliance and audit services worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 8,559 reachable decision-makers.

Free signup · no credit card

View the full list →

IT compliance and audit services worldwide at a glance

As of Sep 28, 2026
32.8%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
2,853
11-50
1,015
51-200
172
201-500
31
501-1,000
4
1,001-5,000
8
5,001-10,000
2

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 IT compliance and audit services, 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 IT compliance and audit services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “IT compliance and audit services”. 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 IT compliance and audit services), 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 IT compliance and audit services, 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, 8,559 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 28, 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.

IT compliance and audit services by location

25 lists · largest first

Every IT compliance and 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 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 IT compliance and audit services, 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 IT compliance and audit services are there worldwide?

RevenueBase identified 4,094 IT compliance and audit services 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?

Controlcase, headquartered in Fairfax, tops this list with the largest team on record.

Which country has the most IT compliance and audit services?

The United States leads with 1,108 companies, followed by the United Kingdom (249) and India (237). Every IT compliance and audit services list by country and city is linked on this page.

Which city has the most IT compliance and audit services?

London leads with 87 headquartered companies, followed by Sao Paulo (57) and Paris (44).

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 8,559 verified decision-maker contacts tracked across these 4,094 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,094 IT compliance and audit services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.