Company lists · Data refreshed September 2026

Top 25 Anti-corruption organizations worldwide

RevenueBase identified 1,453 company matches for anti-corruption organizations worldwide as of September 2026 and tracks 19,566 professional contacts across them, including 4,259 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for anti-corruption organizations 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 anti-corruption organizations 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
1,453Companies
19,566Contacts tracked
4,259Verified emails
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The 25 largest anti-corruption organizations worldwide

Ranked by team size
Top 25 of 1,453 company matches for anti-corruption organizations 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 matchJakarta Timur, IndonesiaHQ recorded Sep 19, 20265,001-10,0001,502 contacts →

Exact match

“Visi BPKP: Auditor Presiden yang responsif, interaktif, dan terpercaya untuk mewujudkan akuntabilitas keuangan negara yang berkualitas.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchDhaka, BangladeshHQ recorded Sep 19, 2026201-500434 contacts →

Exact match

“Transparency International Bangladesh (TIB), accredited national chapter of Berlin-based Transparency International (TI).”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBerlin, GermanyHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Sep 19, 20265,001-10,000386 contacts →

Exact match

“Dibentuk berdasarkan Undang-Undang Nomor 30 Tahun 2002 tentang Komisi Pemberantasan Tindak Pidana Korupsi, Komisi Pemberantasan Korupsi (KPK) diberi amanat melakukan pemberantasan…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 19, 2026n/a227 contacts →

Exact match

“Government Accountability Project is the nation’s leading whistleblower protection and advocacy organization.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-200217 contacts →

Exact match

“Common Cause is a nonpartisan, grassroots organization dedicated to restoring the core values of American democracy, reinventing an open, honest and accountable government that…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-200167 contacts →

Exact match

“The Open Government Partnership (OGP) is a multi-stakeholder initiative focused on improving government transparency, accountability and people's participation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Sep 19, 2026n/a151 contacts →

Exact match

“Praja is a non-partisan organisation enabling accountable governance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-200149 contacts →

Exact match

“Our vision is a world in which people with power are accountable.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchYork, United StatesHQ recorded Sep 19, 202651-200145 contacts →

Exact match

“Avaaz - meaning "voice" in several European, Middle Eastern and Asian languages - launched in 2007 with a simple democratic mission: organise citizens of all nations to close the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchBasel, SwitzerlandHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
12Exact matchAbuja, NigeriaHQ recorded Sep 19, 202651-200127 contacts →

Exact match

“The Public and Private Development Centre (PPDC) is a non-governmental organisation and social enterprise driven by the desire to have a more transparent and accountable…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchAmsterdam, NetherlandsHQ recorded Sep 19, 202651-200119 contacts →

Exact match

“The Organized Crime and Corruption Reporting Project (OCCRP) is a nonprofit investigative news reporting platform for independent media outlets around the world, publishing more…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchAmsterdam, NetherlandsHQ recorded Sep 19, 202651-200119 contacts →

Exact match

“Follow the Money is een journalistieke beweging met een glashelder doel: het blootleggen van financiële misstanden die schade toebrengen aan de samenleving.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchSantiago, ChileHQ recorded Sep 19, 202651-200114 contacts →

Exact match

“Contribuir a fortalecer la democracia en Chile a través de la rendición de cuentas y el control social, al garantizar el derecho de acceso a la información pública, la…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-20085 contacts →

Exact match

“The International Budget Partnership collaborates with civil society organizations around the world to improve governance and ensure that scarce public resources are used…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchAnnapolis, MD, United StatesHQ recorded Sep 19, 202611-5080 contacts →

Exact match

“TRACE is a non-profit international business association dedicated to anti-bribery, compliance and good governance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202611-5073 contacts →

Exact match

“Judicial Watch, Inc, a conservative, non-partisan educational foundation, promotes transparency, accountability and integrity in government, politics and the law.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBogota, ColombiaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202611-5072 contacts →

Exact match

“The International Consortium of Investigative Journalists tells stories that show how the world really works, triggering positive change.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchRoma, ItalyHQ recorded Sep 19, 202611-5070 contacts →

Exact match

“Libera.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchNairobi, KenyaHQ recorded Sep 19, 202611-5070 contacts →

Exact match

“Transparency International is a non governmental organization dedicated to increasing government accountability and curbing both international and national corruption.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202611-5064 contacts →

Exact match

“Founded in 1981, the Project On Government Oversight (POGO) is an independent nonprofit that investigates and exposes corruption and other misconduct in order to achieve a more…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchRome, ItalyHQ recorded Sep 19, 2026201-50060 contacts →

Exact match

“L’Anac è un’autorità amministrativa indipendente la cui missione istituzionale è individuata nell’azione di prevenzione della corruzione in tutti gli ambiti dell’attività…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchAlpharetta, GA, United StatesHQ recorded Sep 19, 202611-5059 contacts →

Exact match

“The Association of Certified Financial Crime Specialists (ACFCS) is a worldwide organization for private and public sector professionals who work in diverse financial crime…”

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

Showing 25 of 1,453 anti-corruption organizations worldwide

See the full list, filter by size, metro and specialty, and access 4,259 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Anti-corruption organizations worldwide at a glance

As of Sep 19, 2026
21.8%Verified-email coverage
13.5Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · Washington
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
740
11-50
446
51-200
146
201-500
57
501-1,000
14
1,001-5,000
16
5,001-10,000
8
10001+
21

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 organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “anti-corruption organizations” 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 4,259 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.

Anti-corruption organizations by location

11 lists · largest first

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

How many anti-corruption organizations are there worldwide?

RevenueBase identified 1,453 company matches for anti-corruption organizations 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?

Badan Pengawasan Keuangan DAN Pembangunan tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most anti-corruption organizations?

The United States leads with 150 companies, followed by Brazil (102) and India (63). Every anti-corruption organizations list by country and city is linked on this page.

Which city has the most anti-corruption organizations?

Washington leads with 43 company records, followed by London (29) and Sao Paulo (29).

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 4,259 professional contacts with verified work emails tracked across these 1,453 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.