Company lists · Data refreshed September 2026

Top 25 Compliance audit companies worldwide

RevenueBase identified 1,917 compliance audit companies worldwide as of September 2026 and tracks 15,094 professional contacts across them, including 4,108 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers compliance audit companies 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 21, 2026. Country and city lists for compliance audit companies 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 21, 2026 86% judged on-target in blind review
1,917Companies
15,094Contacts tracked
4,108Verified emails
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The 25 largest compliance audit companies worldwide

Ranked by team size
Top 25 of 1,917 compliance audit companies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to compliance audit companies: 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
1Partial evidenceWarrington, United KingdomHQ checked Sep 21, 20261,001-5,000776 contacts →

Partial evidence

“Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceSingaporeHQ checked Sep 21, 2026201-500475 contacts →

Partial evidence

Compliance isn’t about reporting data - it’s the foundation of trust, transparency, and resilience in business.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidencePune, IndiaHQ checked Sep 21, 20261,001-5,000420 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceFairfax, VA, United StatesHQ checked Sep 21, 2026201-500411 contacts →

Partial 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 21, 2026
5Indirect evidenceJakarta Selatan, IndonesiaHQ checked Sep 21, 2026201-500403 contacts →

Indirect evidence

“TÜV NORD Indonesia, member of TÜV NORD GROUP Germany, is one of certification, inspection and testing service providers.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceHampton, VA, United StatesHQ checked Sep 21, 202651-200317 contacts →

Partial evidence

“Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceWilmslow, United KingdomHQ checked Sep 21, 20261,001-5,000291 contacts →

Partial evidence

“The Citation Group offer unrivalled compliance and quality services to over businesses across the UK, Australia, New Zealand, and Canada.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceEssen, GermanyHQ checked Sep 21, 202610001+252 contacts →

Indirect evidence

“TÜV NORD and its testing, inspection, and certification companies make our world safer and are a driving force for global innovation.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceİzmir, TürkiyeHQ checked Sep 21, 2026201-500220 contacts →

Partial evidence

“Stop letting compliance risks slow down your global trade.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceTampa, FL, United StatesHQ checked Sep 21, 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 21, 2026
11Partial evidenceLancaster, PA, United StatesHQ checked Sep 21, 2026201-500150 contacts →

Partial evidence

“We provide innovative compliance solutions by embracing complexity and making it simple.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceBangalore, IndiaHQ checked Sep 21, 202651-200109 contacts →

Partial evidence

“VINCULAR is single point solution for product regulatory and compliance services, consulting and certification.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceAthens, GreeceHQ checked Sep 21, 2026201-500102 contacts →

Partial evidence

“EUROCERT European Inspection and Certification Company, acts as a third party inspection, audit and certification body.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceİstnbul, TürkiyeHQ checked Sep 21, 2026201-50098 contacts →

Indirect evidence

“ALFANORM denetim ve belgelendirme sektöründe uzun yıllara dayalı tecrübesi bulunan uzmanlar tarafından kurulmuş bağımsız bir denetim ve belgelendirme firmasıdır.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceBrentwood, TN, IndiaHQ checked Sep 21, 2026501-1,00095 contacts →

Partial evidence

“Simplify Compliance helps customers learn, comply, and succeed by providing mission-critical regulatory and business information, analysis, and tools.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceDesio, ItalyHQ checked Sep 21, 202651-20086 contacts →

Indirect evidence

“Alavie garantisce la qualità dei propri servizi ed il supporto al cliente.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceThe Woodlands, TX, United StatesHQ checked Sep 21, 202651-20085 contacts →

Indirect evidence

“INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceDayton, OH, United StatesHQ checked Sep 21, 202611-5080 contacts →

Indirect evidence

“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceMumbai, IndiaHQ checked Sep 21, 202611-5069 contacts →

Indirect evidence

“Established in the year 1987, fully operational and growing exponentially since early 2003.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceOklahoma City, OK, United StatesHQ checked Sep 21, 202651-20066 contacts →

Strong evidence

“Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceNoida, IndiaHQ checked Sep 21, 202651-20066 contacts →

Partial evidence

“Aleph INDIA a BIS : ISO 9001 certified consulting organization specializing in regulatory compliance, product certifications and testing under various Domestic & international…”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceSalt Lake City, UT, United StatesHQ checked Sep 21, 202651-20061 contacts →

Partial evidence

“Healthicity is driven by a single idea: we bring simplicity to healthcare compliance and medical auditing.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceGurugram, IndiaHQ checked Sep 21, 202651-20061 contacts →

Indirect evidence

“SIS Certifications Pvt.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 202611-5060 contacts →

Indirect evidence

“To meet rigorous regulatory expectations and requirements, it is imperative that organizations have access to “best in class” talent that has extensive knowledge of the businesses…”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 202651-20057 contacts →

Partial evidence

“Redocs, a well-known and respected compliance company in the New York City Commercial Property industry.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 1,917 compliance audit companies worldwide

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Compliance audit companies worldwide at a glance

As of Sep 21, 2026
27.2%Verified-email coverage
7.9Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
1,225
11-50
540
51-200
99
201-500
29
501-1,000
9
1,001-5,000
6
5,001-10,000
1
10001+
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 compliance audit companies, 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 compliance audit companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “compliance audit companies”. 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 compliance audit companies), 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 compliance audit companies, 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, 4,108 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 21, 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.

Compliance audit companies by location

11 lists · largest first

Every Compliance audit companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 compliance audit companies, 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 compliance audit companies are there worldwide?

RevenueBase identified 1,917 compliance audit companies 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?

British Engineering Services Group, headquartered in Warrington, tops this list with the largest team on record.

Which country has the most compliance audit companies?

The United States leads with 319 companies, followed by India (202) and the United Kingdom (122). Every compliance audit companies list by country and city is linked on this page.

Which city has the most compliance audit companies?

Sao Paulo leads with 31 headquartered companies, followed by London (28) and Dubai (21).

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 4,108 verified decision-maker contacts tracked across these 1,917 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 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 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.