Company lists · Data refreshed November 2026

Top 25 IT audit consultancies worldwide

RevenueBase identified 8,098 company matches for IT audit consultancies worldwide as of November 2026 and tracks 128,933 professional contacts across them, including 34,964 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for IT audit consultancies 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 IT audit consultancies 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
8,098Companies
128,933Contacts tracked
34,964Verified emails
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The 25 largest IT audit consultancies worldwide

Ranked by team size
Top 25 of 8,098 company matches for IT audit consultancies 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 matchHøvik, NorwayHQ recorded Nov 5, 202610001+16,914 contacts →

Exact match

“DNV is the independent expert in risk management and assurance, operating in more than 100 countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBirmingham, United KingdomHQ recorded Nov 5, 20265,001-10,0002,907 contacts →

Exact match

“Welcome to LRQA.”

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 matchStockholm, SwedenHQ recorded Nov 5, 20261,001-5,0001,726 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 5, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchOslo, NorwayHQ recorded Nov 5, 20261,001-5,0001,402 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchChennai, IndiaHQ recorded Nov 5, 20261,001-5,0001,276 contacts →

Exact match

“Matrix is a passionate team of professionals providing People, Product, and Process assurance services for enterprises across different industry segments for better compliance and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchDelhi-ncr, IndiaHQ recorded Nov 5, 20261,001-5,000994 contacts →

Exact match

“Nangia & Co LLP stands as a preeminent one of the top leading CA firm in India with a remarkable four-decade legacy of enriching the business landscape for an extensive clientele…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNew Delhi, IndiaHQ recorded Nov 5, 2026501-1,000981 contacts →

Exact match

“S S Kothari Mehta & Company (SSKM) is chartered accountant firm established in 1953 in Kolkata and later on expanded its base to New Delhi, Chandigarh & Mumbai as well.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSchaumburg, IL, United StatesHQ recorded Nov 5, 2026201-500906 contacts →

Exact match

“ISACA® represents the global workforce advancing trust in technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchTampa, FL, United StatesHQ recorded Nov 5, 2026501-1,000896 contacts →

Exact match

“A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchVienna, AustriaHQ recorded Nov 5, 20261,001-5,000628 contacts →

Exact match

“Holen Sie sich eine Datenschutzzertifizierung für Ihr Unternehmen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLexington, KY, United StatesHQ recorded Nov 5, 2026501-1,000619 contacts →

Exact match

“Dean Dorton provides an integrated suite of audit, tax, business management, consulting, and technology solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBangalore, IndiaHQ recorded Nov 5, 2026201-500480 contacts →

Exact match

“Wipfli India (formerly SpiderLogic) provides services on Audit, Accounting, Technology Consulting services to customers of Wipfli LLP through its development centers in Pune and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchParis, FranceHQ recorded Nov 5, 2026501-1,000462 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 · Nov 5, 2026 · View company records in RevenueBase
17Exact matchFairfax, ON, United StatesHQ recorded Nov 5, 2026201-500437 contacts →

Exact match

“ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500416 contacts →

Exact match

“Assurance | Tax | Technology”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Nov 5, 2026201-500383 contacts →

Exact match

“Exponens is an independent group providing public accounting expertise, consultancy and auditing, with more than 300 employees, based in 9 offices in the Ile-de-France region.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500375 contacts →

Exact match

“Chaturvedi and Shah LLP is a Mumbai-based professional services firm with over five decades of experience in audit and assurance, established in 1967.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBerlin, GermanyHQ recorded Nov 5, 2026501-1,000368 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500359 contacts →

Exact match

“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchStockholm, SwedenHQ recorded Nov 5, 2026201-500317 contacts →

Exact match

“Advisense is a leading governance, risk and compliance powerhouse, offering best-in-class services and tech solutions to the European industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchNashville, TN, United StatesHQ recorded Nov 5, 2026201-500317 contacts →

Exact match

“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.”

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

Showing 25 of 8,098 IT audit consultancies worldwide

See the full list, filter by size, metro and specialty, and access 34,964 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT audit consultancies worldwide at a glance

As of Nov 5, 2026
27.1%Verified-email coverage
15.9Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · Dubai
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
4,427
11-50
2,747
51-200
637
201-500
148
501-1,000
35
1,001-5,000
32
5,001-10,000
14
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 IT audit consultancies are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT audit consultancies” 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 34,964 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.

IT audit consultancies by location

54 lists · largest first

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

How many IT audit consultancies are there worldwide?

RevenueBase identified 8,098 company matches for IT audit consultancies 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?

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

Which country has the most IT audit consultancies?

The United States leads with 897 companies, followed by India (875) and Brazil (363). Every IT audit consultancies list by country and city is linked on this page.

Which city has the most IT audit consultancies?

Dubai leads with 169 company records, followed by London (126) and Sao Paulo (118).

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 34,964 professional contacts with verified work emails tracked across these 8,098 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.