Company lists · Data refreshed September 2026

Top 25 Anti-corruption consulting firms worldwide

RevenueBase identified 1,622 company matches for anti-corruption consulting firms worldwide as of September 2026 and tracks 8,714 professional contacts across them, including 1,884 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for anti-corruption consulting firms 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 27, 2026. Country and city lists for anti-corruption consulting firms 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 27, 2026 How this list was built
1,622Companies
8,714Contacts tracked
1,884Verified emails
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The 25 largest anti-corruption consulting firms worldwide

Ranked by team size
Top 25 of 1,622 company matches for anti-corruption consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchBerlin, GermanyHQ recorded Sep 27, 202651-200411 contacts →

Exact match

“Transparency International is a global movement working in over 100 countries to end the injustice of corruption.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchGoiânia, BrazilHQ recorded Sep 27, 2026201-500234 contacts →

Exact match

“A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202651-200192 contacts →

Exact match

“Com mais de 30 anos de mercado e referência no combate a fraudes na América Latina, a GIF International é uma consultoria estratégica especializada em inteligência antifraude.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLuxembourgHQ recorded Sep 27, 202651-200134 contacts →

Exact match

“About Arendt - Regulatory & Consulting We help clients remain compliant while running a profitable business.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBasel, SwitzerlandHQ recorded Sep 27, 202651-200133 contacts →

Exact match

“The Basel Institute on Governance is an independent centre of expertise dedicated to advancing good governance and countering corruption.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchBelo Horizonte, BrazilHQ recorded Sep 27, 202651-200117 contacts →

Exact match

“Founded in 2005, Hect is a Brazilian company with both national and international operations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchRio De Janeiro, BrazilHQ recorded Sep 27, 202651-20081 contacts →

Exact match

“A Oliveira & Carvalho surgiu a partir da experiência bem sucedida nas áreas tributária, contábil, gestão de risco, fraudes (prevenção e apuração), perícia e auditoria.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchBogota, ColombiaHQ recorded Sep 27, 202651-20073 contacts →

Exact match

“Transparencia por Colombia es una organización sin ánimo de lucro creada en 1998, cuya misión es "liderar desde la sociedad civil la lucha integral contra la corrupción y por la…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchJohannesburg, South AfricaHQ recorded Sep 27, 202611-5063 contacts →

Exact match

“GRIPP Advisory provides boutique advisory and consulting services to its clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSantiago De Chile, ChileHQ recorded Sep 27, 202611-5059 contacts →

Exact match

“Consultores GxP Te asesoramos en el cumplimiento de buenas prácticas y gestión de crisis regulatoria.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAkron, OH, United StatesHQ recorded Sep 27, 202611-5056 contacts →

Exact match

“State and Federal Communications, Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchFulham, United KingdomHQ recorded Sep 27, 202611-5055 contacts →

Exact match

“GoodCorporation helps organisations to design, build and embed ethics and compliance programmes which we evaluate and benchmark.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchTeusaquillo, ColombiaHQ recorded Sep 27, 2026501-1,00047 contacts →

Exact match

“Somos una gran firma de consultoría que brinda soluciones en materia de gestión de riesgos de Lavado de activos y Financiación del Terrorismo, Transparencia y Ética.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchAmsterdam, NetherlandsHQ recorded Sep 27, 202611-5046 contacts →

Exact match

“Governance & Integrity werkt aan het versterken van integriteit bij de (semi-)overheid en in private ondernemingen met een publieke taak.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchSan Isidro, PeruHQ recorded Sep 27, 202611-5046 contacts →

Exact match

“We specialize in Economic and Business Criminal Law, as well as Compliance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchBadajoz, SpainHQ recorded Sep 27, 202611-5045 contacts →

Exact match

“25 años de experiencia en consultoría legal y normativa a su servicio."La calidad al servicio de su empresa"”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAlmere, NetherlandsHQ recorded Sep 27, 202651-20041 contacts →

Exact match

“Contact?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchBengaluru, IndiaHQ recorded Sep 27, 202651-20041 contacts →

Exact match

“We are a trusted advisory and compliance firm known for integrity, technical depth, and commercial practicality.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Sep 27, 202651-20040 contacts →

Exact match

“Acreditamos que as Empresas podem transformar a nossa sociedade através da ética e da transparência.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchStockholm, SwedenHQ recorded Sep 27, 202611-5036 contacts →

Exact match

“Frank Penny is a Swedish consulting firm exclusively focused on Anti-Money Laundering.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchHesperange, LuxembourgHQ recorded Sep 27, 202611-5036 contacts →

Exact match

“Today’s regulatory environment is becoming more and more complex and challenging.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Sep 27, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMilano, ItalyHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“Siamo un team di professionisti, consulenti esperti, che dal 2004 si occupa di compliance aziendale.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchCuritiba, BrazilHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“A iForense é resultado da fusão de habilidades e expertise de profissionais altamente qualificados com mais de 25 anos de experiência no mercado.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchBertrange, LuxembourgHQ recorded Sep 27, 202651-20031 contacts →

Exact match

“BDA Global Services is an international compliance and risk management consultancy founded to address the increasing regulatory demands faced by companies in diverse sectors…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,622 anti-corruption consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 1,884 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Anti-corruption consulting firms worldwide at a glance

As of Sep 27, 2026
21.6%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,202
11-50
340
51-200
48
201-500
14
501-1,000
3
1,001-5,000
6
10001+
2

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 anti-corruption consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “anti-corruption consulting firms” 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 1,884 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 27, 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.

Anti-corruption consulting firms by location

11 lists · largest first

Every Anti-corruption consulting firms 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 “anti-corruption consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many anti-corruption consulting firms are there worldwide?

RevenueBase identified 1,622 company matches for anti-corruption consulting firms 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?

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

Which country has the most anti-corruption consulting firms?

Brazil leads with 195 companies, followed by the United States (123) and the United Kingdom (75). Every anti-corruption consulting firms list by country and city is linked on this page.

Which city has the most anti-corruption consulting firms?

Sao Paulo leads with 65 company records, followed by London (41) and Madrid (28).

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 1,884 professional contacts with verified work emails tracked across these 1,622 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 27, 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.