Company lists · Data refreshed September 2026

Top 25 Internal audit consulting services worldwide

RevenueBase identified 8,013 company matches for internal audit consulting services worldwide as of September 2026 and tracks 86,842 professional contacts across them, including 20,544 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for internal audit consulting 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 September 21, 2026. Country and city lists for internal audit consulting 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 Sep 21, 2026 How this list was built
8,013Companies
86,842Contacts tracked
20,544Verified emails
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The 25 largest internal audit consulting services worldwide

Ranked by team size
Top 25 of 8,013 company matches for internal audit consulting services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchShi, ChinaHQ recorded Sep 21, 202610001+4,476 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSp, BrazilHQ recorded Sep 21, 20261,001-5,0001,791 contacts →

Exact match

“Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchStockholm, SwedenHQ recorded Sep 21, 20261,001-5,0001,724 contacts →

Exact match

“Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 21, 20261,001-5,0001,688 contacts →

Exact match

“Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Sep 21, 20261,001-5,0001,498 contacts →

Exact match

“KPMG er mest kjent som revisorer, forretningskonsulenter og advokater, men vi er også mye mer.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchStuttgart, GermanyHQ recorded Sep 21, 20261,001-5,0001,442 contacts →

Exact match

“Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBudapest, HungaryHQ recorded Sep 21, 2026501-1,000749 contacts →

Exact match

“A PwC Magyarország közel három évtizede nyújt ügyfeleinek nemzetközi színvonalú szolgáltatást könyvvizsgálat, adótanácsadás és üzleti tanácsadás területeken.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchWien, AustriaHQ recorded Sep 21, 20261,001-5,000599 contacts →

Exact match

“Holen Sie sich eine Datenschutzzertifizierung für Ihr Unternehmen.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchMilan, ItalyHQ recorded Sep 21, 2026n/a535 contacts →

Exact match

“Consultant Corporate Governance and Project Management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Sep 21, 2026201-500458 contacts →

Exact match

“We offer Internal Audit & Risk Consulting related services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Sep 21, 2026201-500436 contacts →

Exact match

“Nexia S&A, acteur de l’audit et du conseil, apporte des solutions pertinentes à ses clients dans les domaines comptables et financiers et les accompagne pour les mettre en œuvre.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchAmman, BahrainHQ recorded Sep 21, 20261,001-5,000411 contacts →

Exact match

“Member of Talal Abu-Ghazaleh Organization (TAG-Org) the largest Arab group of professional service firms in the fields of accounting; external audit; internal audit; corporate…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Sep 21, 2026201-500345 contacts →

Exact match

“Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBerlin, GermanyHQ recorded Sep 21, 2026501-1,000335 contacts →

Exact match

“PKF Fasselt is one of Germany’s leading mid-sized auditing and consulting firms.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchGurgaon, IndiaHQ recorded Sep 21, 2026201-500331 contacts →

Exact match

“Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchGurugram, IndiaHQ recorded Sep 21, 2026201-500290 contacts →

Exact match

“TRC Corporate Consulting is a forward-thinking consulting firm focused on driving business growth through expert advisory services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSao Paulo, BrazilHQ recorded Sep 21, 202651-200274 contacts →

Exact match

“We are CLA Brazil!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMilan, ItalyHQ recorded Sep 21, 2026201-500268 contacts →

Exact match

“Società consulenza aziendale, revisione e organizzazione contabile associata al network internazionale Nexia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchChennai, IndiaHQ recorded Sep 21, 2026201-500267 contacts →

Exact match

“S P R & Co is a sector agnostic full-service audit and consulting practice that endeavours to exercise original thought to deliver meaningful insights that meet and exceed client…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchJoinville, United StatesHQ recorded Sep 21, 2026201-500263 contacts →

Exact match

“Fundada em 1973, a MARTINELLI consolidou posição como referência em auditoria e consultoria para empresas de todos os portes e segmentos do mercado nacional.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchHyderabad, IndiaHQ recorded Sep 21, 2026201-500249 contacts →

Exact match

“JSS Pro is now part of TMF Group, a leading global provider of business administration and compliance services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchWarsaw, PolandHQ recorded Sep 21, 2026201-500239 contacts →

Exact match

“PKF Polska od blisko 35 lat wspiera rozwój, bezpieczeństwo i transformację przedsiębiorstw w Polsce.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchLisbon, PortugalHQ recorded Sep 21, 2026201-500230 contacts →

Exact match

“LCG provides consulting services, using their multidisciplinary skills in the areas of strategic and operational management, information systems, management support, business…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchRabat, MoroccoHQ recorded Sep 21, 202651-200223 contacts →

Exact match

“Les professionnels du cabinet Fizazi & Associés peuvent vous assister et vous conseiller afin de mieux faire grandir votre entreprise.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchAires, ArgentinaHQ recorded Sep 21, 2026n/a213 contacts →

Exact match

“Consultores en Ciencias Económicas Consultoría en gestión de empresas e instituciones.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 8,013 internal audit consulting services worldwide

See the full list, filter by size, metro and specialty, and access 20,544 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit consulting services worldwide at a glance

As of Sep 21, 2026
23.7%Verified-email coverage
10.8Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
4,784
11-50
2,512
51-200
502
201-500
119
501-1,000
22
1,001-5,000
22
5,001-10,000
9
10001+
6

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 audit consulting services are linked below.
What qualifies
Company records worldwide whose business descriptions match “internal audit consulting 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 20,544 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.

Internal audit consulting services by location

36 lists · largest first

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

How many internal audit consulting services are there worldwide?

RevenueBase identified 8,013 company matches for internal audit consulting services 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?

Ernst & Young tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most internal audit consulting services?

Brazil leads with 713 companies, followed by the United States (646) and India (588). Every internal audit consulting services list by country and city is linked on this page.

Which city has the most internal audit consulting services?

Sao Paulo leads with 192 company records, followed by Dubai (131) and Paris (105).

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 20,544 professional contacts with verified work emails tracked across these 8,013 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.