Company lists · Data refreshed September 2026

Top 25 Auditing service providers worldwide

RevenueBase identified 1,849 company matches for auditing service providers worldwide as of September 2026 and tracks 16,057 professional contacts across them, including 3,612 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for auditing service providers 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 September 19, 2026. Country and city lists for auditing service providers 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 Sep 19, 2026 How this list was built
1,849Companies
16,057Contacts tracked
3,612Verified emails
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The 25 largest auditing service providers worldwide

Ranked by team size
Top 25 of 1,849 company matches for auditing service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchParis, FranceHQ recorded Sep 19, 2026201-500374 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 · Sep 19, 2026 · View company records in RevenueBase
2Exact matchNaperville, IL, United StatesHQ recorded Sep 19, 2026201-500223 contacts →

Exact match

“Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Sep 19, 202651-200222 contacts →

Exact match

“V.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchUmhlanga, South AfricaHQ recorded Sep 19, 2026201-500184 contacts →

Exact match

“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Sep 19, 2026201-500146 contacts →

Exact match

“M M NISSIM & CO LLP (MMN) has been in professional practice from the year 1946.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 202651-200135 contacts →

Exact match

“Maher Duessel is a leading regional CPA firm that was founded to provide high-caliber audit, tax, and consulting services to clients in the governmental and non-profit sectors.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Sep 19, 2026201-500117 contacts →

Exact match

“Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchBethesda, MD, United StatesHQ recorded Sep 19, 202651-200104 contacts →

Exact match

“For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBanani, BangladeshHQ recorded Sep 19, 202651-20099 contacts →

Exact match

“A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchTassin-La-Demi-Lune, FranceHQ recorded Sep 19, 202651-20095 contacts →

Exact match

“Situé à Paris, Lyon, Marseille et Bordeaux, Arthaud & Associés est spécialisé en Audit et Conseil Financier, et en pleine expansion sur de nombreux métiers transverses : ESG, TS…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchNew Delhi, IndiaHQ recorded Sep 19, 202651-20090 contacts →

Exact match

“UCC & Associates LLP was founded in 1991 under the leadership of Umesh Chand Goyal and Sunita Umesh, the founder partners.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchŁódź, PolandHQ recorded Sep 19, 202651-20076 contacts →

Exact match

“Jesteśmy dynamicznie rozwijającą się Kancelarią Biegłych Rewidentów, założoną w 2010 roku.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchTaunton, United KingdomHQ recorded Sep 19, 202651-20071 contacts →

Exact match

“SWAP is a well established not for profit organisation that focuses on internal audit but also offers a variety of independent business improvement and assurance services designed…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Sep 19, 202611-5069 contacts →

Exact match

“Established in the year 1987, fully operational and growing exponentially since early 2003.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchPort Shepstone, South AfricaHQ recorded Sep 19, 202651-20059 contacts →

Exact match

“Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchSanto André, BrazilHQ recorded Sep 19, 202651-20059 contacts →

Exact match

“Há 31 anos os Profissionais da ASPR, prestam reconhecidos serviços à centenas de clientes, nacionais e estrangeiros.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchRabat, MoroccoHQ recorded Sep 19, 202611-5059 contacts →

Exact match

“Accounting And Financial Audit, Procurement Audit, Accounting And Tax Supervision, Audit According To Agreed Procedures, Tax Audit Supervision and Advisory, Book Keeping…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchAmsterdam, NetherlandsHQ recorded Sep 19, 202651-20054 contacts →

Exact match

“Past de beheersstructuur nog bij mijn organisatie?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchTucson, AZ, United StatesHQ recorded Sep 19, 202651-20053 contacts →

Exact match

“HeinfeldMeech is a premier auditing and consulting firm specializing in the service of governmental and nonprofit organizations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLake Forest, CA, United StatesHQ recorded Sep 19, 202651-20052 contacts →

Exact match

“Conrad LLP is a CPA firm specializing in audit and consulting for government clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchHaymarket, AustraliaHQ recorded Sep 19, 202611-5051 contacts →

Exact match

“Your Trusted Audit and Assurance Specialist National Audits Group partners with accounting firms across Australia, offering independent audit and assurance services that enhance…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchJohannesburg, South AfricaHQ recorded Sep 19, 202651-20050 contacts →

Exact match

“Stein Registered Auditors was founded in 2002 and is managed by six dynamic and broad skilled partners who collectively brings over 150 years of knowledge, skills and expertise in…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchHyderabad, IndiaHQ recorded Sep 19, 202611-5050 contacts →

Exact match

“NSVR & ASSOCIATES LLP formally known as Nekkanti Srinivasu & Co.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchTbilisi, GeorgiaHQ recorded Sep 19, 202651-20049 contacts →

Exact match

“Kudos Georgia is an independent audit, accounting, valuation, tax advisory and corporate finance firm based in Tbilisi, Georgia.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchGuayaquil, EcuadorHQ recorded Sep 19, 202651-20049 contacts →

Exact match

“Auditoría y Consultoría | Ecuador Hansen-Holm está comprometida con la calidad y seguridad de la información que manejamos durante todo el proceso del servicio de auditoría…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,849 auditing service providers worldwide

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Auditing service providers worldwide at a glance

As of Sep 19, 2026
22.5%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,014
11-50
685
51-200
113
201-500
17
501-1,000
4
1,001-5,000
1
5,001-10,000
1
10001+
1

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 auditing service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “auditing service providers” 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 3,612 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 September 19, 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.

Auditing service providers by location

15 lists · largest first

Every Auditing service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “auditing service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many auditing service providers are there worldwide?

RevenueBase identified 1,849 company matches for auditing service providers worldwide as of September 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?

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

Which country has the most auditing service providers?

The United States leads with 155 companies, followed by Brazil (131) and France (113). Every auditing service providers list by country and city is linked on this page.

Which city has the most auditing service providers?

Sao Paulo leads with 37 company records, followed by Istanbul (26) and Dubai (25).

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 3,612 professional contacts with verified work emails tracked across these 1,849 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 September 19, 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.