Company lists · Data refreshed November 2026

Top 25 Internal controls testing firms worldwide

RevenueBase identified 336 company matches for internal controls testing firms worldwide as of November 2026 and tracks 2,117 professional contacts across them, including 376 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for internal controls testing firms 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 internal controls testing firms 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
336Companies
2,117Contacts tracked
376Verified emails
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The 25 largest internal controls testing firms worldwide

Ranked by team size
Top 25 of 336 company matches for internal controls testing firms 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 matchParis, FranceHQ recorded Nov 6, 2026201-500119 contacts →

Exact match

“Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Past de beheersstructuur nog bij mijn organisatie?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPort Shepstone, South AfricaHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Dubois & Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFrankfurt, GermanyHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Die GAR Gesellschaft für Aufsichtsrecht und Revision mbH Wirtschaftsprüfungsgesellschaft mit Sitz in Frankfurt am Main wurde im Juli 2009 gegründet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“DGST compte dix-sept Réviseurs d’entreprises et plus de vingt collaborateurs expérimentés.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCurridabat, Costa RicaHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Since 1975”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLeiderdorp, NetherlandsHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Audittrail verzorgt audits voor en adviseert over de vakgebieden informatiebeveiliging, privacy, governance, risk & compliance en kwaliteit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“A Finaud foi constituída em setembro de Está registrada no Conselho Regional de Contabilidade do Estado de São Paulo e na CVM - Comissão de Valores Mobiliários e portanto…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBreda, NetherlandsHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“2-Control is an IT audit organization and offers support in providing insight into and improving the reliability of automated information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchColombiaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBraintree, MA, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“At OCD Tech, we provide independent and objective assurance of your IT controls.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRoma Norte, MexicoHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Somos una firma de prestigio que desde hace más de 44 años ofrece auditorías externas e internas, y consultoría, para todo tipo de empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAudubon, PA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Specializing in comprehensive audit services, our firm is dedicated to ensuring financial transparency and integrity for businesses of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRockville Centre, NY, United StatesHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Bass Consulting Group is a privately owned company founded by former CPA/Consulting Firm Executives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWrocław, PolandHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Zespół "QUATRO" sp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“CBR Advisory is a firm of CPAs and Advisors, with a deep understanding of the state of Georgia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Auditoria operacional financeira Auditoria de asseguração com foco no atendimento da NBC ITG 2002 Revisão de Prestação de contas Due Diligence Identificar e quantificar eventuais…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchThimphu, BhutanHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Rinzing Financial Private Limited is a leading auditing and accounting firm based in Thimphu, Bhutan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSantiago, ChileHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Somos un grupo de profesionales con vasta experiencia en el área de procedimientos de la administración.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCherry Hill, NJ, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Holmes & Company, LLC is an accounting and consulting firm certified as an 8(a) Minority Business Enterprise (MBE) and a Small Disadvantaged Business Enterprise (SDBE) based in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDar Es Salaam, TanzaniaHQ recorded Nov 6, 202611-508 contacts →

Exact match

“AGIM is a firm of certified auditors and business consultants who are committed to help organizations to achieve their objectives.”

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

Showing 25 of 336 internal controls testing firms worldwide

See the full list, filter by size, metro and specialty, and access 376 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal controls testing firms worldwide at a glance

As of Nov 6, 2026
17.8%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
210
11-50
108
51-200
14
201-500
2

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 internal controls testing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “internal controls testing firms” 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 376 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.

Internal controls testing firms by location

1 lists · largest first

Every Internal controls testing firms 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 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 “internal controls testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal controls testing firms are there worldwide?

RevenueBase identified 336 company matches for internal controls testing firms 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?

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

Which country has the most internal controls testing firms?

The United States leads with 30 companies. Every internal controls testing firms list by country and city is linked on this page.

Which city has the most internal controls testing firms?

Sao Paulo leads with 9 company records, followed by Dubai (7) and Paris (6).

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 376 professional contacts with verified work emails tracked across these 336 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.