Company lists · Data refreshed November 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 Nov 5, 2026 10,544 companies tracked

RevenueBase identified 10,544 company matches for IT audit consulting companies worldwide as of November 2026 and tracks 125,821 professional contacts across them, including 39,030 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT audit consulting companies 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 consulting companies 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

10,544Companies

125,821Contacts tracked

39,030Verified emails

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The 25 largest IT audit consulting companies worldwide

Ranked by team size

Top 25 of 10,544 company matches for IT audit consulting companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Carr, Riggs & Ingram	Exact match	Enterprise, AL, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
2	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	BDO Brazil	Exact match	Sp, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
4	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5	Grant Thornton Sweden	Exact match	Stockholm, SwedenHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
6	RSM Ebner Stolz	Exact match	Stuttgart, GermanyHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7	Kpmg Belgium	Exact match	Zaventem, BelgiumHQ recorded Nov 5, 2026	1,001-5,000	1,584 contacts →
	Exact match “Uncovering a world of opportunity together.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Kpmg Norway	Exact match	Oslo, NorwayHQ recorded Nov 5, 2026	1,001-5,000	1,402 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
9	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,346 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Navigant	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,124 contacts →
	Exact match “Guidehouse is a leading global provider of consulting services to the public and commercial markets with broad capabilities in management, technology, and risk consulting.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	665 contacts →
	Exact match “VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	633 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	BDO Austria	Exact match	Vienna, AustriaHQ recorded Nov 5, 2026	1,001-5,000	628 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
14	Dean Dorton	Exact match	Lexington, KY, United StatesHQ recorded Nov 5, 2026	501-1,000	619 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
15	Wipfli India	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	201-500	480 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
16	Mahajan & Aibara	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	201-500	473 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
17	Nexia S&a	Exact match	Paris, FranceHQ recorded Nov 5, 2026	501-1,000	462 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
18	ANB Solutions Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	201-500	448 contacts →
	Exact match “ANB is a fully-integrated and one of the fastest growing assurance and business advisory firm, with 450 plus employees and presence in 6 countries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Controlcase	Exact match	Fairfax, ON, United StatesHQ recorded Nov 5, 2026	201-500	437 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
20	Ecovis Saudi Arabia Ecovis AL Sabti	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 5, 2026	51-200	430 contacts →
	Exact match “ECOVIS Al Sabti, in the Kingdom of Saudi Arabia, is a member firm of the ECOVIS International network.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Nov 5, 2026	51-200	417 contacts →
	Exact match “Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Intone	Exact match	Iselin, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	414 contacts →
	Exact match “Incorporated in the year 2003 at New Jersey, USA, Intone Networks Inc.(Intone) is an ISO 27001:2013 and 9001:2015 certified leading IT consulting firm, specializing on IT…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	WE	Exact match	Issy Les Moulineaux, FranceHQ recorded Nov 5, 2026	201-500	413 contacts →
	Exact match “We+ est un cabinet de conseil expert en IT, membre de l’écosystème Alan Allman Associates.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Esec Forte Technologies	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	201-500	385 contacts →
	Exact match “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Bm&a	Exact match	Paris, FranceHQ recorded Nov 5, 2026	201-500	377 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

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 audit consulting companies”. 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 10,544 IT audit consulting companies worldwide

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IT audit consulting companies worldwide at a glance

As of Nov 5, 2026

31.0%Verified-email coverage

11.9Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

6,173

11-50

3,318

51-200

753

201-500

161

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 audit consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT audit consulting companies” 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 39,030 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 consulting companies by location

78 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 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 consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT audit consulting companies are there worldwide?

RevenueBase identified 10,544 company matches for IT audit consulting companies 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?

Carr, Riggs & Ingram tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most IT audit consulting companies?

The United States leads with 1,967 companies, followed by India (742) and Brazil (520). Every IT audit consulting companies list by country and city is linked on this page.

Which city has the most IT audit consulting companies?

London leads with 169 company records, followed by Dubai (159) and Sao Paulo (155).

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 39,030 professional contacts with verified work emails tracked across these 10,544 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.