Company lists · Data refreshed September 2026

Top 25 Operational audit consulting companies worldwide

RevenueBase identified 955 company matches for operational audit consulting companies worldwide as of September 2026 and tracks 7,557 professional contacts across them, including 2,240 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for operational 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 September 29, 2026. Country and city lists for operational 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 Sep 29, 2026 How this list was built
955Companies
7,557Contacts tracked
2,240Verified emails
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The 25 largest operational audit consulting companies worldwide

Ranked by team size
Top 25 of 955 company matches for operational audit consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchSp, BrazilHQ recorded Sep 29, 20261,001-5,0001,791 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 · Sep 29, 2026 · View company records in RevenueBase
2Exact matchVincennes, MexicoHQ recorded Sep 29, 2026501-1,000363 contacts →

Exact match

“KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchBoulogne-Billancourt, FranceHQ recorded Sep 29, 2026501-1,000310 contacts →

Exact match

“Since 2005, Meotec's vision has been to position itself as an operational consulting firm evolving between strategy consulting firms and engineering companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchFairfield, NJ, United StatesHQ recorded Sep 29, 2026201-500165 contacts →

Exact match

“DLA, LLC is a leading consultancy firm that provides a wide range of specialized services designed to optimize business operations and drive sustainable growth.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6Exact matchMilano, ItalyHQ recorded Sep 29, 202651-200114 contacts →

Exact match

“Valuement Group is an international consulting company specializing in improving business processes and organizations, with a strong focus on generating savings through a…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchAmsterdam, NetherlandsHQ recorded Sep 29, 20265,001-10,00091 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBarcelona, SpainHQ recorded Sep 29, 202651-20085 contacts →

Exact match

“Firma líder en servicios de Auditoría y Consultoría, con más de 25 años de experiencia, asumiendo una reconocida especialización en los sectores público y hospitalario, y…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
10Exact matchDakar, SenegalHQ recorded Sep 29, 202651-20067 contacts →

Exact match

“FINance Expertise et TECHnologies, est un cabinet de de conseil en organisation et transformation d'entreprises, d'audit te de prestations en systèmes d'information.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 29, 2026501-1,00061 contacts →

Exact match

“Servicios de Auditoría y Consultoría.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchStratford, ON, CanadaHQ recorded Sep 29, 202651-20042 contacts →

Exact match

“Outliers Mining Solutions helps mining operations improve productivity, strengthen operational control, and build high-performing teams through practical, hands-on operational…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchRio De Janeiro, BrazilHQ recorded Sep 29, 202651-20042 contacts →

Exact match

“A Premiumbravo é uma organização de serviços multifuncionais voltada para Auditoria (Independente, Interna, Sistemas, Operacional) e Consultoria (Gerenciamento de Riscos…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchIssy-les-moulineaux, FranceHQ recorded Sep 29, 202651-20041 contacts →

Exact match

“Créée en 1993, D.L DEVELOPPEMENT est une société d’audit et de conseil opérationnels aux entreprises, spécialisée dans la réduction de charges (charges sociales, fiscales…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchCaba, IndiaHQ recorded Sep 29, 202651-20031 contacts →

Exact match

“Firma nacional de auditores y consultores.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchBlumenau, BrazilHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Entendemos que o aprimoramento dos processos internos, operacionais e financeiros, diante do crescimento das empresas e do cenário atual, é diretamente influenciado pela…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchMiguel Hidalgo, MexicoHQ recorded Sep 29, 202651-20028 contacts →

Exact match

“Protiviti es una firma global de consultoría de negocios y auditoría interna, integrada por profesionales especializados en servicios de riesgos de negocios, transacciones y…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchMaroubra, AustraliaHQ recorded Sep 29, 20261-1027 contacts →

Exact match

“Streamline-Integrate-Create.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchTulsa, OK, United StatesHQ recorded Sep 29, 202651-20025 contacts →

Exact match

“Overview CBIZ Stinnett helps companies manage risk and improve performance to operate better, smarter, and faster.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“Protune KSA Consultants are India’s premier consulting firm offering customized value-added risk and process advisory services across wide range of industry sectors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchMumbai, IndiaHQ recorded Sep 29, 20261-1024 contacts →

Exact match

“Deregulation, privatization, emerging markets, and quantum improvements in telecommunications and information technology have radically altered the business landscape, creating…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchBad Oldesloe, GermanyHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Aus s-consit wird ETL consit.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchWest Perth, United StatesHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Stantons International Audit and Consulting Pty Ltd (“Stantons") is an Authorised Audit Company and an Australian Financial Service Licensee, in accordance with the requirements…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“A Finaud foi constituída em setembro de Está registrada no Conselho Regional de Contabilidade do Estado de São Paulo e na CVM - Comissão de Valores Mobiliários e portanto…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchSpring, TX, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Caravel Solutions becomes an extension of your team to provide a comprehensive approach evaluating all aspects of your manufacturing operation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 955 operational audit consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 2,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational audit consulting companies worldwide at a glance

As of Sep 29, 2026
29.6%Verified-email coverage
7.9Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
693
11-50
207
51-200
35
201-500
8
501-1,000
6
1,001-5,000
2
5,001-10,000
2
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 operational audit consulting companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “operational 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 2,240 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 29, 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.

Operational audit consulting companies by location

5 lists · largest first

Every Operational audit consulting companies 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 “operational audit consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational audit consulting companies are there worldwide?

RevenueBase identified 955 company matches for operational audit consulting companies 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?

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

Which country has the most operational audit consulting companies?

The United States leads with 153 companies, followed by Brazil (103) and France (59). Every operational audit consulting companies list by country and city is linked on this page.

Which city has the most operational audit consulting companies?

Sao Paulo leads with 30 company records, followed by Paris (14) and Madrid (12).

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 2,240 professional contacts with verified work emails tracked across these 955 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 29, 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.