Company lists · Data refreshed September 2026

Top 25 IT audit consulting companies worldwide

Name: IT audit consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 4,870 companies tracked

RevenueBase identified 4,870 IT audit consulting companies worldwide as of September 2026 and tracks 61,496 professional contacts across them, including 16,507 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers IT audit consulting 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 28, 2026. Country and city lists for IT audit consulting 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 28, 2026 86% judged on-target in blind review

4,870Companies

61,496Contacts tracked

16,507Verified emails

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The 25 largest IT audit consulting companies worldwide

Ranked by team size

Top 25 of 4,870 IT audit consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT audit consulting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	BDO Brazil	Indirect evidence	Sp, BrazilHQ checked Sep 28, 2026	1,001-5,000	1,791 contacts →
	Indirect evidence “Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.” Source: RevenueBase Database · checked Sep 28, 2026
2	Grant Thornton Sweden	Indirect evidence	Stockholm, SwedenHQ checked Sep 28, 2026	1,001-5,000	1,724 contacts →
	Indirect evidence “Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.” Source: RevenueBase Database · checked Sep 28, 2026
3	Sikich	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,688 contacts →
	Partial evidence “Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.” Source: RevenueBase Database · checked Sep 28, 2026
4	RSM Ebner Stolz	Indirect evidence	Stuttgart, GermanyHQ checked Sep 28, 2026	1,001-5,000	1,442 contacts →
	Indirect evidence “Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?” Source: RevenueBase Database · checked Sep 28, 2026
5	BDO Austria	Indirect evidence	Wien, AustriaHQ checked Sep 28, 2026	1,001-5,000	599 contacts →
	Indirect evidence “Holen Sie sich eine Datenschutzzertifizierung für Ihr Unternehmen.” Source: RevenueBase Database · checked Sep 28, 2026
6	Dean Dorton	Strong evidence	Lexington, KY, United StatesHQ checked Sep 28, 2026	501-1,000	590 contacts →
	Strong evidence “Dean Dorton provides an integrated suite of audit, tax, business management, consulting, and technology solutions.” Source: RevenueBase Database · checked Sep 28, 2026
7	Mahajan & Aibara	Strong evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	458 contacts →
	Strong evidence “We offer Internal Audit & Risk Consulting related services.” Source: RevenueBase Database · checked Sep 28, 2026
8	Nexia S&a	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	201-500	436 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
9	Wipfli India	Strong evidence	Bengaluru, IndiaHQ checked Sep 28, 2026	201-500	433 contacts →
	Strong evidence “Wipfli India (formerly SpiderLogic) provides services on Audit, Accounting, Technology Consulting services to customers of Wipfli LLP through its development centers in Pune and…” Source: RevenueBase Database · checked Sep 28, 2026
10	Bm&a	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	201-500	345 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
11	PKF Fasselt	Partial evidence	Berlin, GermanyHQ checked Sep 28, 2026	501-1,000	335 contacts →
	Partial evidence “PKF Fasselt is one of Germany’s leading mid-sized auditing and consulting firms.” Source: RevenueBase Database · checked Sep 28, 2026
12	Russell Bedford Brasil	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	501-1,000	312 contacts →
	Indirect evidence “A oportunidade de atender a um nicho de mercado ligado ao setor privado e público, bem como o espírito empreendedor de seus fundadores, foram as razões principais que levaram à…” Source: RevenueBase Database · checked Sep 28, 2026
13	CLA Brazil	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 28, 2026	51-200	274 contacts →
	Indirect evidence “We are CLA Brazil!” Source: RevenueBase Database · checked Sep 28, 2026
14	SPR & CO	Strong evidence	Chennai, IndiaHQ checked Sep 28, 2026	201-500	267 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
15	Martinelli Auditores	Indirect evidence	Joinville, United StatesHQ checked Sep 28, 2026	201-500	263 contacts →
	Indirect evidence “Fundada em 1973, a MARTINELLI consolidou posição como referência em auditoria e consultoria para empresas de todos os portes e segmentos do mercado nacional.” Source: RevenueBase Database · checked Sep 28, 2026
16	G.M.Kapadia & CO	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	51-200	248 contacts →
	Indirect evidence “G.” Source: RevenueBase Database · checked Sep 28, 2026
17	PKF Polska	Indirect evidence	Warsaw, PolandHQ checked Sep 28, 2026	201-500	239 contacts →
	Indirect evidence “PKF Polska od blisko 35 lat wspiera rozwój, bezpieczeństwo i transformację przedsiębiorstw w Polsce.” Source: RevenueBase Database · checked Sep 28, 2026
18	Meta Infotech Limited	Strong evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	238 contacts →
	Strong evidence “Established 26 years ago, Meta Infotech has been a trusted name in Cyber and IT Risk Assessment Services, Cybersecurity Product Consulting, Implementation & Sustenance Services…” Source: RevenueBase Database · checked Sep 28, 2026
19	UHY James	Partial evidence	Dubai, United Arab EmiratesHQ checked Sep 28, 2026	51-200	234 contacts →
	Partial evidence “Transformation is the buzzword in the global business landscape and audit firms like us have a pivotal part to play in helping organisations navigate their way through the…” Source: RevenueBase Database · checked Sep 28, 2026
20	Burwood Group	Indirect evidence	Oak Brook, IL, United StatesHQ checked Sep 28, 2026	201-500	223 contacts →
	Indirect evidence “The urgent need for technology to solve business problems more efficiently, decrease costs, and mitigate risk has increased.” Source: RevenueBase Database · checked Sep 28, 2026
21	V. Sankar Aiyar & CO	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	51-200	222 contacts →
	Indirect evidence “V.” Source: RevenueBase Database · checked Sep 28, 2026
22	Cyraacs	Partial evidence	Bengaluru, IndiaHQ checked Sep 28, 2026	51-200	221 contacts →
	Partial 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
23	有限責任監査法人トーマツ	Indirect evidence	千代田区, JapanHQ checked Sep 28, 2026	201-500	208 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
24	Mindpoint Group, A Quantum SKY Company	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	204 contacts →
	Indirect evidence “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Source: RevenueBase Database · checked Sep 28, 2026
25	Taticca Allinial Global	Strong evidence	São Paulo, BrazilHQ checked Sep 28, 2026	201-500	203 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT audit consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names IT audit consulting companies.
Partial evidence: Its own public description names part of IT audit consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name IT audit consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,870 IT audit consulting companies worldwide

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IT audit consulting companies worldwide at a glance

As of Sep 28, 2026

26.8%Verified-email coverage

12.6Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,706

11-50

1,648

51-200

361

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 audit consulting 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 IT audit consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “IT audit consulting 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 IT audit consulting 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 IT audit consulting 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, 16,507 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 audit consulting companies by location

32 lists · largest first

Every IT audit consulting companies 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 audit consulting 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 IT audit consulting companies are there worldwide?

RevenueBase identified 4,870 IT audit consulting 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?

BDO Brazil, headquartered in Sp, tops this list with the largest team on record.

Which country has the most IT audit consulting companies?

The United States leads with 626 companies, followed by India (340) and Brazil (290). Every IT audit consulting companies list by country and city is linked on this page.

Which city has the most IT audit consulting companies?

Sao Paulo leads with 92 headquartered companies, followed by Dubai (91) and Paris (77).

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 16,507 verified decision-maker contacts tracked across these 4,870 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.

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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.