Company lists · Data refreshed September 2026

Top 25 Audit consulting companies worldwide

RevenueBase identified 13,740 audit consulting companies worldwide as of September 2026 and tracks 333,049 professional contacts across them, including 91,123 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers 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 21, 2026. Country and city lists for 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 21, 2026 86% judged on-target in blind review
13,740Companies
333,049Contacts tracked
91,123Verified emails
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The 25 largest audit consulting companies worldwide

Ranked by team size
Top 25 of 13,740 audit consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202610001+14,509 contacts →

Indirect evidence

“Make growth happen.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202610001+11,078 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceParis La Défense, FranceHQ checked Sep 21, 202610001+5,839 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceToronto, CanadaHQ checked Sep 21, 20265,001-10,0005,573 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0004,199 contacts →

Partial evidence

“EisnerAmper, one of the largest business consulting firms in the world, is comprised of EisnerAmper LLP, a licensed independent CPA firm that provides client attest services; and…”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceUnited StatesHQ checked Sep 21, 20261,001-5,0003,643 contacts →

Indirect evidence

“We’re Eide Bailly (I’d bay-lee), a business advisory, accounting and technology firm built with our clients in mind.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceLuxembourgHQ checked Sep 21, 20261,001-5,0003,413 contacts →

Indirect evidence

“PwC Luxembourg is the largest professional services firm in Luxembourg with over 3,600 people employed from 90 different countries.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceMilwaukee, WI, United StatesHQ checked Sep 21, 20261,001-5,0003,047 contacts →

Indirect evidence

“Always advancing.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceDublin 2, IrelandHQ checked Sep 21, 20261,001-5,0002,952 contacts →

Partial evidence

“KPMG is a leading provider of professional services, offering a range of audit, tax and advisory services to a broad range of domestic and international clients across all sectors…”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceEnterprise, AL, United StatesHQ checked Sep 21, 20261,001-5,0002,102 contacts →

Indirect evidence

“Carr, Riggs & Ingram (CRI) is a Top 25 nationally-ranked accounting and advisory firm driven by relationships to cultivate growth.”

Source: RevenueBase Database · checked Sep 21, 2026
11Strong evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0002,035 contacts →

Strong evidence

“UHY is one of the nation’s largest professional services firms providing audit, tax, consulting and advisory services to clients primarily in the dynamic middle market.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceSp, BrazilHQ checked Sep 21, 20261,001-5,0001,791 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 21, 2026
13Indirect evidenceStockholm, SwedenHQ checked Sep 21, 20261,001-5,0001,724 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 21, 2026
14Partial evidenceWarsaw, PolandHQ checked Sep 21, 20261,001-5,0001,696 contacts →

Partial evidence

“KPMG jest globalną organizacją niezależnych firm świadczących profesjonalne usługi z zakresu audytu, doradztwa podatkowego, finansowego, prawnego oraz consultingu.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceChicago, IL, United StatesHQ checked Sep 21, 20261,001-5,0001,688 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 21, 2026
16Indirect evidenceSydney, AustraliaHQ checked Sep 21, 20261,001-5,0001,626 contacts →

Indirect evidence

“Your business deserves remarkable support.”

Source: RevenueBase Database · checked Sep 21, 2026
17Strong evidenceHamburg, GermanyHQ checked Sep 21, 20261,001-5,0001,576 contacts →

Strong evidence

“BDO is the leading entrepreneurial driven provider for audit and audit-related services, tax and business law consulting as well as advisory services.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceAalborg, DenmarkHQ checked Sep 21, 20261,001-5,0001,568 contacts →

Partial evidence

“Beierholm is the preferred auditing and consulting company for small and medium-sized companies in Denmark.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceOslo, NorwayHQ checked Sep 21, 20261,001-5,0001,530 contacts →

Indirect evidence

“We see great value in having a local presence and roots, factors which enable us to work closely with our clients.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceJakarta, IndonesiaHQ checked Sep 21, 2026501-1,0001,508 contacts →

Indirect evidence

“BDO is the leading provider of professional services within the mid-tier of our profession.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceOslo, NorwayHQ checked Sep 21, 20261,001-5,0001,498 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceStuttgart, GermanyHQ checked Sep 21, 20261,001-5,0001,442 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 21, 2026
23Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0001,395 contacts →

Strong evidence

“Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceMakati, PhilippinesHQ checked Sep 21, 2026501-1,0001,367 contacts →

Indirect evidence

“Professional Services Firm”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidencePune, IndiaHQ checked Sep 21, 20261,001-5,0001,152 contacts →

Partial evidence

“In today's complex and challenging business world, Accounting, Auditing & Consulting Firms play a significant role in managing these complexities/challenges and in turning them…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 13,740 audit consulting companies worldwide

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Audit consulting companies worldwide at a glance

As of Sep 21, 2026
27.4%Verified-email coverage
24.2Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
6,582
11-50
5,361
51-200
1,270
201-500
276
501-1,000
77
1,001-5,000
71
5,001-10,000
18
10001+
18

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 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 audit consulting companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “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 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 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, 91,123 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 21, 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.

Audit consulting companies by location

67 lists · largest first

Every 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 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 audit consulting companies are there worldwide?

RevenueBase identified 13,740 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?

Kpmg UK, headquartered in London, tops this list with the largest team on record.

Which country has the most audit consulting companies?

The United States leads with 1,779 companies, followed by India (1,061) and Brazil (1,031). Every audit consulting companies list by country and city is linked on this page.

Which city has the most audit consulting companies?

Sao Paulo leads with 250 headquartered companies, followed by Dubai (221) and Paris (206).

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 91,123 verified decision-maker contacts tracked across these 13,740 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 21, 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.