Company lists · Data refreshed September 2026

Top 25 Whistleblower protection attorneys worldwide

RevenueBase identified 58 company matches for 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 company matches for whistleblower protection attorneys 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 whistleblower protection attorneys 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 22, 2026 How this list was built
58Companies
491Contacts tracked
169Verified emails
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The 25 largest whistleblower protection attorneys worldwide

Ranked by team size
Top 25 of 58 company matches for whistleblower protection attorneys worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchWashington, DC, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Sep 22, 202611-5029 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5026 contacts →

Exact match

“Phillips & Cohen LLP is the most successful law firm representing whistleblowers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5024 contacts →

Exact match

“Kohn, Kohn & Colapinto, based in Washington, D.C, is the nation’s leading law firm for whistleblower protection.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchBratislava, SlovakiaHQ recorded Sep 22, 202611-5011 contacts →

Exact match

“Sme nezávislá štátna inštitúcia a naším poslaním je chrániť práva oznamovateľov nezákonnej činnosti, tzv.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchPasadena, CA, United StatesHQ recorded Sep 22, 202611-5011 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5011 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Sep 22, 202611-508 contacts →

Exact match

“We are a new type of law firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchTampa, FL, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Hoyer Law Group, PLLC, is a full-service law firm with a nationwide practice that protects employees, advises small businesses, and represents whistleblowers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Bracker & Marcus LLC represents whistleblowers in qui tam and retaliation actions nationwide, with a focus on the False Claims Act.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchBethesda, MD, United StatesHQ recorded Sep 22, 20261-106 contacts →

Exact match

“Atkinson Law Group is a boutique firm representing employees who have experienced discrimination or whistleblower retaliation at work.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchCincinnati, OH, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Our law firm has prosecuted False Claims Act cases on behalf of whistleblowers longer than any law firm in America.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Gallagher & Lipshutz represents whistleblowers in qui tam and retaliation actions, with a focus on the False Claims Act.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-104 contacts →

Exact match

“James and West Law represents whistleblowers who have identified serious wrongdoing or risk in the workplace.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchMinneapolis, MN, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Boutique employment law firm representing employees, whistleblowers and executives.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“We are a Washington, DC-based law firm that represents whistleblowers in whistleblower rewards and whistleblower retaliation matters and litigates discrimination claims on behalf…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Pugsley Wood LLP is among the premier whistleblower law firms in the United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchRoswell, GA, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“The Bothwell Law Group (BLG) is one of the only firms in the United States focusing exclusively on False Claims Act whistleblower litigation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchPretoria, South AfricaHQ recorded Sep 22, 20261-104 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Law firm representing whistleblowers in science, technology, healthcare & the pharmaceutical industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“We help individuals bring whistleblower cases against companies who have defrauded the United States government, evaded taxes, violated securities laws, or endangered the public…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 22, 20261-102 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchSt. Louis, MO, United StatesHQ recorded Sep 22, 20261-102 contacts →

Exact match

“Elias LLC is a litigation boutique firm with a particularized focus on advising and bringing claims on behalf of whistleblowers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Sep 22, 202611-501 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 58 whistleblower protection attorneys worldwide

See the full list, filter by size, metro and specialty, and access 169 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Whistleblower protection attorneys worldwide at a glance

As of Sep 22, 2026
34.4%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
15.5%Largest-city concentration · Washington
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
13

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 whistleblower protection attorneys are linked below.
What qualifies
Company records worldwide whose business descriptions match “whistleblower protection attorneys” 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 169 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.

Whistleblower protection attorneys by location

1 lists · largest first

Every 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 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 “whistleblower protection attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many whistleblower protection attorneys are there worldwide?

RevenueBase identified 58 company matches for whistleblower protection attorneys 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?

Government Accountability Project tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

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 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 169 professional contacts with verified work emails tracked across these 58 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.

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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.