Company lists · Data refreshed September 2026
Top 25 Whistleblower protection attorneys worldwide
RevenueBase identified 58 whistleblower protection attorneys worldwide as of September 2026 and tracks 491 professional contacts across them, including 169 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers whistleblower protection attorneys worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for whistleblower protection attorneys follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 whistleblower protection attorneys worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 227 contacts → | ||||
Strong evidence “Government Accountability Project is the nation’s leading whistleblower protection and advocacy organization.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 29 contacts → | ||||
Partial evidence “At The Devadoss Law Firm, P.L.L.C, we are dedicated to defending and protecting the federal government employees' right to a workplace free from wrongful, retaliatory and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 26 contacts → | ||||
Partial evidence “Phillips & Cohen LLP is the most successful law firm representing whistleblowers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 24 contacts → | ||||
Strong evidence “Kohn, Kohn & Colapinto, based in Washington, D.C, is the nation’s leading law firm for whistleblower protection.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 11 contacts → | ||||
Indirect evidence “Sme nezávislá štátna inštitúcia a naším poslaním je chrániť práva oznamovateľov nezákonnej činnosti, tzv.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 11 contacts → | ||||
Partial evidence “Romero Law is an employment law civil litigation and trial firm located in Pasadena that specializes in representing whistleblowers and employees in harassment, retaliation, and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 11 contacts → | ||||
Partial evidence “The National Whistleblower Center (NWC), a non-profit, tax-exempt, non-partisan organization, is the leading whistleblower legal advocacy organization with a 35-year history of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 8 contacts → | ||||
Indirect evidence “We are a new type of law firm.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “Hoyer Law Group, PLLC, is a full-service law firm with a nationwide practice that protects employees, advises small businesses, and represents whistleblowers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Partial evidence “Bracker & Marcus LLC represents whistleblowers in qui tam and retaliation actions nationwide, with a focus on the False Claims Act.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “The Whistleblower Law Collaborative is one of the nation’s leading law firms representing persons or companies who learn of fraud and step forward to expose wrongdoing.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Partial evidence “Atkinson Law Group is a boutique firm representing employees who have experienced discrimination or whistleblower retaliation at work.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Partial evidence “Our law firm has prosecuted False Claims Act cases on behalf of whistleblowers longer than any law firm in America.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Partial evidence “Gallagher & Lipshutz represents whistleblowers in qui tam and retaliation actions, with a focus on the False Claims Act.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Partial evidence “James and West Law represents whistleblowers who have identified serious wrongdoing or risk in the workplace.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “Boutique employment law firm representing employees, whistleblowers and executives.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “We are a Washington, DC-based law firm that represents whistleblowers in whistleblower rewards and whistleblower retaliation matters and litigates discrimination claims on behalf…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “Pugsley Wood LLP is among the premier whistleblower law firms in the United States.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “The Bothwell Law Group (BLG) is one of the only firms in the United States focusing exclusively on False Claims Act whistleblower litigation.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “A meeting place for Courage The Whistleblower House seeks to support people who know about or witness wrongdoing so that they can more safely become whistleblowers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “Law firm representing whistleblowers in science, technology, healthcare & the pharmaceutical industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “We help individuals bring whistleblower cases against companies who have defrauded the United States government, evaded taxes, violated securities laws, or endangered the public…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “We represent whistleblowers in the United States and from abroad battling to root out fraud, hold swindlers accountable and recover bounties and rewards under the False Claims Act…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “Elias LLC is a litigation boutique firm with a particularized focus on advising and bringing claims on behalf of whistleblowers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Strong evidence “Fraud Expert Advisors are not attorneys; they are whistleblower advocates who connect you with a whistleblower who is ready to advise others on what it's like to become a…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: whistleblower protection attorneys. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names whistleblower protection attorneys.
- Partial evidence
- Its own public description names part of whistleblower protection attorneys, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name whistleblower protection attorneys. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
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Whistleblower protection attorneys 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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among whistleblower protection attorneys, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for whistleblower protection attorneys are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “whistleblower protection attorneys”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names whistleblower protection attorneys), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among whistleblower protection attorneys, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 169 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Whistleblower protection attorneys by location
1 lists · largest firstEvery Whistleblower protection attorneys 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names whistleblower protection attorneys, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many whistleblower protection attorneys are there worldwide?
RevenueBase identified 58 whistleblower protection attorneys worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Government Accountability Project, headquartered in Washington, tops this list with the largest team on record.
Which country has the most whistleblower protection attorneys?
The United States leads with 36 companies. Every whistleblower protection attorneys list by country and city is linked on this page.
Which city has the most whistleblower protection attorneys?
Washington leads with 9 headquartered companies, followed by Boston (4) and New York (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 169 verified decision-maker contacts tracked across these 58 companies.
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.
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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 Smart Search, 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.