Company lists · Data refreshed September 2026
Top 25 Transparency and accountability nonprofits worldwide
RevenueBase identified 522 company matches for transparency and accountability nonprofits worldwide as of September 2026 and tracks 6,140 professional contacts across them, including 1,494 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers company matches for transparency and accountability nonprofits 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 22, 2026. Country and city lists for transparency and accountability nonprofits 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.
The 25 largest transparency and accountability nonprofits worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 411 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 22, 2026 · View company records in RevenueBase | |||||
| 2 | 401 contacts → | ||||
Exact match “We are a nonpartisan, nonprofit organization working to building a better government and a stronger democracy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 217 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 22, 2026 · View company records in RevenueBase | |||||
| 4 | 195 contacts → | ||||
Exact match “Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 151 contacts → | ||||
Exact match “Praja is a non-partisan organisation enabling accountable governance.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 149 contacts → | ||||
Exact match “Our vision is a world in which people with power are accountable.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 127 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 22, 2026 · View company records in RevenueBase | |||||
| 8 | 119 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 22, 2026 · View company records in RevenueBase | |||||
| 9 | 112 contacts → | ||||
Exact match “We believe that a country’s natural resources belong to its citizens.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 73 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 22, 2026 · View company records in RevenueBase | |||||
| 11 | 73 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 22, 2026 · View company records in RevenueBase | |||||
| 12 | 70 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 22, 2026 · View company records in RevenueBase | |||||
| 13 | 64 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 22, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “We work with everyone to advance human rights in business.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 55 contacts → | ||||
Exact match “OSB: atuação para formar, manter e fortalecer Observatórios Municipais O Observatório Social do Brasil (OSB), fundado em 2008, coordena o #SistemaOSB com mais de 3500 voluntários…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 53 contacts → | ||||
Exact match “At CREW, we use aggressive legal actions, in-depth investigations, and innovative policy and reform work to achieve that vision.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 53 contacts → | ||||
Exact match “Em 2019 o CPTI recebeu certificação internacional Phomenta de acordo com os padrões de transparência e boas práticas sociais.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 37 contacts → | ||||
Exact match “Open Contracting Partnership aims to open up and transform public procurement to deliver fairer and better results for people, prosperity, and the planet.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 37 contacts → | ||||
Exact match “American Oversight is a nonpartisan, nonprofit watchdog that advances truth, accountability, and democracy by enforcing the public’s right to government records.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “The Canadian Taxpayers Federation (CTF) is a federally incorporated, non-profit and non-partisan, advocacy organization dedicated to lower taxes, less waste and accountable…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 36 contacts → | ||||
Exact match “Captai, CataiCenter, Advocacy, transparency, initiative” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 36 contacts → | ||||
Exact match “The Committee of Seventy has been called a "government watchdog,""the elections people" and a "think tank." We're all three and much more.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 34 contacts → | ||||
Exact match “The Pearl Initiative is the leading independent, not-for-profit, private sector-led organisation working across the Gulf Region of the Middle East to influence and improve…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 32 contacts → | ||||
Exact match “The International Centre for Investigative Reporting is an independent, nonprofit news agency that seeks to promote transparency and accountability.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 32 contacts → | ||||
Exact match “The Movement for Quality Government in Israel (MQG) is an independent, non-partisan, grassroots, non-profit organization that has been defending Israeli democracy and promoting…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “transparency and accountability nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 522 transparency and accountability nonprofits worldwide
See the full list, filter by size, metro and specialty, and access 1,494 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transparency and accountability nonprofits worldwide at a glance
As of Sep 22, 2026Companies by employee count
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 transparency and accountability nonprofits are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “transparency and accountability nonprofits” 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 1,494 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 22, 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.
Transparency and accountability nonprofits by location
2 lists · largest firstEvery Transparency and accountability nonprofits 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 “transparency and accountability nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transparency and accountability nonprofits are there worldwide?
RevenueBase identified 522 company matches for transparency and accountability nonprofits 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 transparency and accountability nonprofits?
The United States leads with 118 companies, followed by India (33). Every transparency and accountability nonprofits list by country and city is linked on this page.
Which city has the most transparency and accountability nonprofits?
Washington leads with 29 company records, followed by London (11) and Nairobi (9).
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 1,494 professional contacts with verified work emails tracked across these 522 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 522 transparency and accountability nonprofits worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 transparency and accountability nonprofits worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 522 matching company records for transparency and accountability nonprofits worldwide, with 6,140 tracked contacts and 1,494 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transparency and accountability nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Transparency Internationaltransparency.org HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 411 contacts → |
“Transparency International is a global movement working in over 100 countries to end the injustice of corruption.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Partnership For Public Serviceourpublicservice.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 401 contacts → |
“We are a nonpartisan, nonprofit organization working to building a better government and a stronger democracy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Common Causecommoncause.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 217 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Public Citizencitizen.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 195 contacts → |
“Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Praja Foundationpraja.org HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 151 contacts → |
“Praja is a non-partisan organisation enabling accountable governance.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Accountability LABaccountabilitylab.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 149 contacts → |
“Our vision is a world in which people with power are accountable.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Abuja, NigeriaReported employees: 51-200 | Abuja, Nigeria | 51-200 | Exact match | 127 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Follow The Money NLftm.nl HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 119 contacts → |
“Follow the Money is een journalistieke beweging met een glashelder doel: het blootleggen van financiële misstanden die schade toebrengen aan de samenleving.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 112 contacts → |
“We believe that a country’s natural resources belong to its citizens.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Judicial Watchjudicialwatch.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 73 contacts → |
“Judicial Watch, Inc, a conservative, non-partisan educational foundation, promotes transparency, accountability and integrity in government, politics and the law.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Corporación Transparencia POR Colombiatransparenciacolombia.org.co HQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Transparency International Kenyatikenya.org HQ: Nairobi, KenyaReported employees: 11-50 | Nairobi, Kenya | 11-50 | Exact match | 70 contacts → |
“Transparency International is a non governmental organization dedicated to increasing government accountability and curbing both international and national corruption.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Project On Government Oversightpogo.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 64 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Business & Human Rights Resource Centrebusiness-humanrights.org HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We work with everyone to advance human rights in business.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Observatório Social DO Brasilosbrasil.org.br HQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 55 contacts → |
“OSB: atuação para formar, manter e fortalecer Observatórios Municipais O Observatório Social do Brasil (OSB), fundado em 2008, coordena o #SistemaOSB com mais de 3500 voluntários…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Citizens For Responsibility And Ethics In Washington Crewcitizensforethics.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 53 contacts → |
“At CREW, we use aggressive legal actions, in-depth investigations, and innovative policy and reform work to achieve that vision.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cpti Centro Promocional TIA Ileidecpti.org.br HQ: Campinas, BrazilReported employees: 51-200 | Campinas, Brazil | 51-200 | Exact match | 53 contacts → |
“Em 2019 o CPTI recebeu certificação internacional Phomenta de acordo com os padrões de transparência e boas práticas sociais.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Open Contracting Partnershipopen-contracting.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“Open Contracting Partnership aims to open up and transform public procurement to deliver fairer and better results for people, prosperity, and the planet.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  American Oversightamericanoversight.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“American Oversight is a nonpartisan, nonprofit watchdog that advances truth, accountability, and democracy by enforcing the public’s right to government records.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Canadian Taxpayers Federationtaxpayer.com HQ: Regina, SK, CanadaReported employees: 11-50 | Regina, SK, Canada | 11-50 | Exact match | 37 contacts → |
“The Canadian Taxpayers Federation (CTF) is a federally incorporated, non-profit and non-partisan, advocacy organization dedicated to lower taxes, less waste and accountable…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Maiduguri, NigeriaReported employees: 51-200 | Maiduguri, Nigeria | 51-200 | Exact match | 36 contacts → |
“Captai, CataiCenter, Advocacy, transparency, initiative” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Committee Of Seventyseventy.org HQ: Philadelphia, PA, United StatesReported employees: Not recorded | Philadelphia, PA, United States | Not recorded | Exact match | 36 contacts → |
“The Committee of Seventy has been called a "government watchdog,""the elections people" and a "think tank." We're all three and much more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pearl Initiativepearlinitiative.org HQ: Sharjah, United Arab EmiratesReported employees: 11-50 | Sharjah, United Arab Emirates | 11-50 | Exact match | 34 contacts → |
“The Pearl Initiative is the leading independent, not-for-profit, private sector-led organisation working across the Gulf Region of the Middle East to influence and improve…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The Iciricirnigeria.org HQ: Federal Capital Territory, NigeriaReported employees: 51-200 | Federal Capital Territory, Nigeria | 51-200 | Exact match | 32 contacts → |
“The International Centre for Investigative Reporting is an independent, nonprofit news agency that seeks to promote transparency and accountability.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Jerusalem, IsraelReported employees: 11-50 | Jerusalem, Israel | 11-50 | Exact match | 32 contacts → |
“The Movement for Quality Government in Israel (MQG) is an independent, non-partisan, grassroots, non-profit organization that has been defending Israeli democracy and promoting…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 522 company matches
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Transparency and accountability nonprofits: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
519 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 522 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Transparency and accountability nonprofits by location
2 lists · largest firstEvery Transparency and accountability nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for transparency and accountability nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transparency and accountability nonprofits did RevenueBase find worldwide?
The saved snapshot records 522 matching company records, 6,140 tracked contacts and 1,494 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 transparency and accountability nonprofits worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/transparency-and-accountability-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 transparency and accountability nonprofits worldwide
RevenueBase records 522 matching company records for transparency and accountability nonprofits worldwide, with 6,140 tracked contacts and 1,494 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transparency and accountability nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Transparency Internationaltransparency.org HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 411 contacts → |
“Transparency International is a global movement working in over 100 countries to end the injustice of corruption.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Partnership For Public Serviceourpublicservice.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 401 contacts → |
“We are a nonpartisan, nonprofit organization working to building a better government and a stronger democracy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Common Causecommoncause.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 217 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Public Citizencitizen.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 195 contacts → |
“Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Praja Foundationpraja.org HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 151 contacts → |
“Praja is a non-partisan organisation enabling accountable governance.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Accountability LABaccountabilitylab.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 149 contacts → |
“Our vision is a world in which people with power are accountable.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Abuja, NigeriaReported employees: 51-200 | Abuja, Nigeria | 51-200 | Exact match | 127 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Follow The Money NLftm.nl HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 119 contacts → |
“Follow the Money is een journalistieke beweging met een glashelder doel: het blootleggen van financiële misstanden die schade toebrengen aan de samenleving.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 112 contacts → |
“We believe that a country’s natural resources belong to its citizens.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Judicial Watchjudicialwatch.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 73 contacts → |
“Judicial Watch, Inc, a conservative, non-partisan educational foundation, promotes transparency, accountability and integrity in government, politics and the law.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Corporación Transparencia POR Colombiatransparenciacolombia.org.co HQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Transparency International Kenyatikenya.org HQ: Nairobi, KenyaReported employees: 11-50 | Nairobi, Kenya | 11-50 | Exact match | 70 contacts → |
“Transparency International is a non governmental organization dedicated to increasing government accountability and curbing both international and national corruption.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Project On Government Oversightpogo.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 64 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Business & Human Rights Resource Centrebusiness-humanrights.org HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We work with everyone to advance human rights in business.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Observatório Social DO Brasilosbrasil.org.br HQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 55 contacts → |
“OSB: atuação para formar, manter e fortalecer Observatórios Municipais O Observatório Social do Brasil (OSB), fundado em 2008, coordena o #SistemaOSB com mais de 3500 voluntários…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Citizens For Responsibility And Ethics In Washington Crewcitizensforethics.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 53 contacts → |
“At CREW, we use aggressive legal actions, in-depth investigations, and innovative policy and reform work to achieve that vision.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cpti Centro Promocional TIA Ileidecpti.org.br HQ: Campinas, BrazilReported employees: 51-200 | Campinas, Brazil | 51-200 | Exact match | 53 contacts → |
“Em 2019 o CPTI recebeu certificação internacional Phomenta de acordo com os padrões de transparência e boas práticas sociais.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Open Contracting Partnershipopen-contracting.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“Open Contracting Partnership aims to open up and transform public procurement to deliver fairer and better results for people, prosperity, and the planet.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | American Oversightamericanoversight.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“American Oversight is a nonpartisan, nonprofit watchdog that advances truth, accountability, and democracy by enforcing the public’s right to government records.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Canadian Taxpayers Federationtaxpayer.com HQ: Regina, SK, CanadaReported employees: 11-50 | Regina, SK, Canada | 11-50 | Exact match | 37 contacts → |
“The Canadian Taxpayers Federation (CTF) is a federally incorporated, non-profit and non-partisan, advocacy organization dedicated to lower taxes, less waste and accountable…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Maiduguri, NigeriaReported employees: 51-200 | Maiduguri, Nigeria | 51-200 | Exact match | 36 contacts → |
“Captai, CataiCenter, Advocacy, transparency, initiative” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Committee Of Seventyseventy.org HQ: Philadelphia, PA, United StatesReported employees: Not recorded | Philadelphia, PA, United States | Not recorded | Exact match | 36 contacts → |
“The Committee of Seventy has been called a "government watchdog,""the elections people" and a "think tank." We're all three and much more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pearl Initiativepearlinitiative.org HQ: Sharjah, United Arab EmiratesReported employees: 11-50 | Sharjah, United Arab Emirates | 11-50 | Exact match | 34 contacts → |
“The Pearl Initiative is the leading independent, not-for-profit, private sector-led organisation working across the Gulf Region of the Middle East to influence and improve…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The Iciricirnigeria.org HQ: Federal Capital Territory, NigeriaReported employees: 51-200 | Federal Capital Territory, Nigeria | 51-200 | Exact match | 32 contacts → |
“The International Centre for Investigative Reporting is an independent, nonprofit news agency that seeks to promote transparency and accountability.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Jerusalem, IsraelReported employees: 11-50 | Jerusalem, Israel | 11-50 | Exact match | 32 contacts → |
“The Movement for Quality Government in Israel (MQG) is an independent, non-partisan, grassroots, non-profit organization that has been defending Israeli democracy and promoting…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 522 company matches
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Transparency and accountability nonprofits: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
519 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 522 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Transparency and accountability nonprofits by location
2 lists · largest firstEvery Transparency and accountability nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for transparency and accountability nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transparency and accountability nonprofits did RevenueBase find worldwide?
The saved snapshot records 522 matching company records, 6,140 tracked contacts and 1,494 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 transparency and accountability nonprofits worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/transparency-and-accountability-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗