Company lists · Data refreshed November 2026

Top 25 IT audits and consulting services worldwide

Name: IT audits and consulting services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 11,044 companies tracked

RevenueBase identified 11,044 company matches for IT audits and consulting services worldwide as of November 2026 and tracks 760,442 professional contacts across them, including 245,261 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for IT audits and 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 November 6, 2026. Country and city lists for IT audits and 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 Nov 6, 2026 How this list was built

11,044Companies

760,442Contacts tracked

245,261Verified emails

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The 25 largest IT audits and consulting services worldwide

Ranked by team size

Top 25 of 11,044 company matches for IT audits and consulting services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	EY	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	397,927 contacts →
	Exact match “EY is building a better working world by creating new value for clients, people, society, the planet, while building trust in the capital markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kpmg UK	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	14,853 contacts →
	Exact match “Make growth happen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	PWC UK	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	11,496 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	BDO USA	Exact match	Chicago, AL, United StatesHQ recorded Nov 6, 2026	10001+	11,006 contacts →
	Exact match “At BDO, we believe how we show up matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Grant Thornton Bharat LLP	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	10001+	9,408 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Kpmg Australia	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	5,001-10,000	9,151 contacts →
	Exact match “Welcome to KPMG.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Protiviti	Exact match	Menlo Park, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,086 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	BDO India	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	6,704 contacts →
	Exact match “BDO India is the Indian member firm of BDO, the world’s fifth-largest professional services organisation, operating in 166 countries and territories with a team of over…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	PWC Canada	Exact match	Toronto, CanadaHQ recorded Nov 6, 2026	5,001-10,000	5,901 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Kpmg France	Exact match	Paris La Défense, FranceHQ recorded Nov 6, 2026	10001+	5,822 contacts →
	Exact match “Leader de l'audit, du conseil et de l'expertise comptable, KPMG France est membre de KPMG International, réseau de cabinets indépendants exerçant dans 155 pays.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Withum	Exact match	Princeton, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,484 contacts →
	Exact match “Withum is a forward-thinking, technology-driven advisory and accounting firm, helping clients to Be in a Position of Strength in today’s modern business landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	PWC Luxembourg	Exact match	LuxembourgHQ recorded Nov 6, 2026	1,001-5,000	3,425 contacts →
	Exact match “PwC Luxembourg is the largest professional services firm in Luxembourg with over 3,600 people employed from 90 different countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Wipfli	Exact match	Milwaukee, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,201 contacts →
	Exact match “Always advancing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	BDO In Australia	Exact match	Bdo, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	2,758 contacts →
	Exact match “We help ambitious organisations move forward with confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	PWC Sweden	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	2,312 contacts →
	Exact match “På PwC hjälper vi våra kunder att bygga förtroende och ställa om sin verksamhet för att öka konkurrenskraften.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Carr, Riggs & Ingram	Exact match	Enterprise, AL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,214 contacts →
	Exact match “Carr, Riggs & Ingram (CRI) is a Top 25 nationally-ranked accounting and advisory firm driven by relationships to cultivate growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	BDO Brazil	Exact match	Sp, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,994 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 6, 2026 · View company records in RevenueBase
18	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,918 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 · Nov 6, 2026 · View company records in RevenueBase
19	BDO South Africa	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	1,906 contacts →
	Exact match “Audit \| Advisory \| Tax The South African member firm of BDO International - The Leader for Exceptional Client Service since 1963 BDO clients experience a distinctive level of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Grant Thornton Australia	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	1,808 contacts →
	Exact match “Your business deserves remarkable support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Kpmg Poland	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	1,001-5,000	1,741 contacts →
	Exact match “KPMG jest globalną organizacją niezależnych firm świadczących profesjonalne usługi z zakresu audytu, doradztwa podatkowego, finansowego, prawnego oraz consultingu.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	BDO In Indonesia	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	501-1,000	1,729 contacts →
	Exact match “BDO is the leading provider of professional services within the mid-tier of our profession.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Grant Thornton Sweden	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	1,726 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 · Nov 6, 2026 · View company records in RevenueBase
24	Kpmg Türkiye	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	1,001-5,000	1,676 contacts →
	Exact match “KPMG Türkiye, lokal ve uluslararası tüm müşterilerinin ihtiyaçlarına cevap vermek adına geleneksel denetim ve uygunluk denetimi anlayışını genişleterek, firmaya ve endüstriye özel…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	RSM Ebner Stolz	Exact match	Stuttgart, GermanyHQ recorded Nov 6, 2026	1,001-5,000	1,599 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 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT audits and consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,044 IT audits and consulting services worldwide

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IT audits and consulting services worldwide at a glance

As of Nov 6, 2026

32.3%Verified-email coverage

68.9Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Dubai

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,579

11-50

3,878

51-200

1,009

201-500

268

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

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 IT audits and consulting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT audits and 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 245,261 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.

IT audits and consulting services by location

83 lists · largest first

Every IT audits and 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 “IT audits and consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT audits and consulting services are there worldwide?

RevenueBase identified 11,044 company matches for IT audits and consulting services 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?

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

Which country has the most IT audits and consulting services?

The United States leads with 1,394 companies, followed by India (915) and Brazil (686). Every IT audits and consulting services list by country and city is linked on this page.

Which city has the most IT audits and consulting services?

Dubai leads with 196 company records, followed by Sao Paulo (191) and Paris (148).

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 245,261 professional contacts with verified work emails tracked across these 11,044 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.