Company lists · Data refreshed November 2026

Top 25 Internal audit outsourcing firms worldwide

RevenueBase identified 2,964 company matches for internal audit outsourcing firms worldwide as of November 2026 and tracks 42,368 professional contacts across them, including 9,015 with verified work emails. India is the largest market and Sao Paulo the largest hub.

This list covers company matches for internal audit outsourcing 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 5, 2026. Country and city lists for internal audit outsourcing 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 5, 2026 How this list was built
2,964Companies
42,368Contacts tracked
9,015Verified emails
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The 25 largest internal audit outsourcing firms worldwide

Ranked by team size
Top 25 of 2,964 company matches for internal audit outsourcing firms 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 matchSouthport, AustraliaHQ recorded Nov 5, 20261,001-5,0004,098 contacts →

Exact match

“Don’t wait until understaffing eats away at your productivity and client satisfaction.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchNavi Mumbai, IndiaHQ recorded Nov 5, 20261,001-5,0002,160 contacts →

Exact match

“Established in 2002 and incorporated in 2005, XL Dynamics India Pvt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSp, BrazilHQ recorded Nov 5, 20261,001-5,0001,994 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 · Nov 5, 2026 · View company records in RevenueBase
4Exact matchStuttgart, GermanyHQ recorded Nov 5, 20261,001-5,0001,599 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchRohini, IndiaHQ recorded Nov 5, 2026n/a835 contacts →

Exact match

“D N A & Co.| Chartered Accountants”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500473 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Nov 5, 2026201-500377 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 · Nov 5, 2026 · View company records in RevenueBase
8Exact matchCoral Springs, FL, United StatesHQ recorded Nov 5, 2026201-500345 contacts →

Exact match

“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBrazilHQ recorded Nov 5, 2026501-1,000342 contacts →

Exact match

“Desde 1997 no Brasil, somos membros da Moore Global, uma das principais redes de Auditoria, Consultoria, Outsourcing e Tributos presente em mais de 114 países e entre as maiores…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500327 contacts →

Exact match

“GI Outsourcing is a UK-based accountants outsourcing firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCalicut, IndiaHQ recorded Nov 5, 2026201-500311 contacts →

Exact match

“Founded in 2007, Buchprufer Consultants has grown into a trusted and reputed outsourcing partner delivering high-quality financial and professional services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchChennai, IndiaHQ recorded Nov 5, 202651-200272 contacts →

Exact match

“R.G.N.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBhilai, IndiaHQ recorded Nov 5, 202651-200265 contacts →

Exact match

“Virtual Clone is a leading provider of accounting outsourcing services, tailored specifically for ACCA/FCCA and Chartered Accountancy firms in the UK and Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMilan, ItalyHQ recorded Nov 5, 2026201-500263 contacts →

Exact match

“Fondata nel 1983 come Società indipendente di revisione e organizzazione contabile, e associata al network Nexia dal 2005, oggi Audirevi affianca le imprese con servizi di Audit &…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchChennai, IndiaHQ recorded Nov 5, 2026201-500260 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchHyderabad, IndiaHQ recorded Nov 5, 2026201-500241 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 · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMumbai, IndiaHQ recorded Nov 5, 202651-200237 contacts →

Exact match

“V.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchDubai, United Arab EmiratesHQ recorded Nov 5, 202651-200236 contacts →

Exact match

“Navigating Complexity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Nov 5, 2026201-500222 contacts →

Exact match

“HIGH EXPERTISE FOR YOU TATICCA was born with the purpose of providing independent and internal audit services, as well as tax, consulting, business advisory, corporate finance…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchKochi, IndiaHQ recorded Nov 5, 202651-200194 contacts →

Exact match

“JAKS & Associates is a leading firm of Chartered Accountants in India with offices at Kochi (Cochin, Ernakulam), Cherthala, Thiruvananthapuram, kollam Thrissur, Alappuzha and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchUmhlanga, South AfricaHQ recorded Nov 5, 2026201-500189 contacts →

Exact match

“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchFairfield, NJ, United StatesHQ recorded Nov 5, 2026201-500175 contacts →

Exact match

“DLA, LLC is a leading consultancy firm that provides a wide range of specialized services designed to optimize business operations and drive sustainable growth.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNew Delhi, IndiaHQ recorded Nov 5, 202651-200161 contacts →

Exact match

“Sahni Natarajan And Bahl [SNB](Est.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchOwings Mills, DC, United StatesHQ recorded Nov 5, 202651-200160 contacts →

Exact match

“SB & Company, LLC (SBC) is an audit, tax, risk consulting and business advisory firm that is an outstanding place where highly talented people help our clients succeed.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500148 contacts →

Exact match

“M M NISSIM & CO LLP (MMN) has been in professional practice from the year 1946.”

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

Showing 25 of 2,964 internal audit outsourcing firms worldwide

See the full list, filter by size, metro and specialty, and access 9,015 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit outsourcing firms worldwide at a glance

As of Nov 5, 2026
21.3%Verified-email coverage
14.3Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,604
11-50
1,038
51-200
233
201-500
55
501-1,000
3
1,001-5,000
11
5,001-10,000
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 audit outsourcing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “internal audit outsourcing 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 9,015 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.

Internal audit outsourcing firms by location

25 lists · largest first

Every Internal audit outsourcing firms 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 outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal audit outsourcing firms are there worldwide?

RevenueBase identified 2,964 company matches for internal audit outsourcing 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?

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

Which country has the most internal audit outsourcing firms?

India leads with 357 companies, followed by the United States (234) and Brazil (219). Every internal audit outsourcing firms list by country and city is linked on this page.

Which city has the most internal audit outsourcing firms?

Sao Paulo leads with 72 company records, followed by Dubai (56) and London (39).

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 9,015 professional contacts with verified work emails tracked across these 2,964 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.