Company lists · Data refreshed September 2026

Top 21 Government accountability consulting firms based in Washington, United States

RevenueBase identified 41 company matches for government accountability consulting firms associated with Washington, United States as of September 2026 and tracks 531 professional contacts across them, including 123 with verified work emails. Across the United States, Washington is the largest hub for this category.

This list covers company matches for government accountability consulting firms associated with Washington, United States, 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 28, 2026.

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 28, 2026 How this list was built
41Companies
531Contacts tracked
123Verified emails
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The 21 largest government accountability consulting firms based in Washington, United States

Ranked by team size
Top 21 of 41 company matches for government accountability consulting firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 202651-200142 contacts →

Exact match

“Here at Herren, our goals are to drive efficiency and maximize the value of every dollar our clients spend.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,00087 contacts →

Exact match

“Top accounting firm Raffa, P.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20051 contacts →

Exact match

“Carmen Group is Washington’s leading government affairs consulting firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“Ervin Graves Strategy Group is a full-service consulting and government relations firm that works with a broad range of businesses across every sector.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-107 contacts →

Exact match

“GovNavigators guide clients through the complexities of government to help them thrive and grow.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Akela is a CPA firm dedicated to enhancing the efficiency and integrity of large Federal agencies, focusing on lending, grant, and benefit programs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Technical Writer Consulting Services (TWCS) helps organizations build strong operational foundations that support sustainable growth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Massie Partners is a bicameral, bipartisan government affairs consulting firm that ensures its clients receive personalized strategic advice and attention.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Our Team Delivers Government Solutions We have been a trusted advisor for over 20 years delivering proven results to our federal, state and local government clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-2005 contacts →

Exact match

“Hamilton Enterprises, LLC, is an assurance and advisory company that provides professional services to clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Capitol Partners, Inc, is a full service, Washington, D.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Weise Solutions, an Economically Disadvantaged Women-Owned Small Businesses (EDWOSB), is a boutique consulting firm specializing in Federal Credit, grant, and risk advisory…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“In 2007, Ms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Stonington Global, founded and chaired by renowned superlobbyist and attorney Nicolas D.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Quill Advisers was formed to help achieve the long term advocacy goals of our clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“KED Strategies is a full-service consulting firm with a focus on federal government advocacy, strategic communications, and appropriations and budget issues.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Funkhouser & Associates is a consulting company that believes there’s power in public-private sector alliances to drive efficiency in local government and improve the lives of…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Government contracts management, international contracts, compliance, grants and operating agreements, subcontracts, project management, audit liaison, policies and procedures…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-502 contacts →

Exact match

“Our team of attorneys, accountants, investigators, and government relations experts has worked inside government agencies and represented Top 100 contractors and Fortune 100…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Centric Business Solutions, LLC is national consulting firm, based in metro Washington, DC.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“O'Neil Strategies, LLC is a boutique public policy & government affairs consulting firm founded by Colin O'Neil.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 21 of 41 government accountability consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government accountability consulting firms based in Washington, United States at a glance

As of Sep 28, 2026
23.2%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
8
51-200
4
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 41 companies.

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.
What qualifies
Company records associated with Washington, United States whose business descriptions match “government accountability consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 123 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 28, 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.

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 “government accountability consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government accountability consulting firms are there based in Washington, United States?

RevenueBase identified 41 company matches for government accountability consulting firms associated with Washington, United States 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?

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

Which city in the United States has the most government accountability consulting firms?

Washington leads the United States with 41 company records, followed by New York (26) and Chicago (18).

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 123 professional contacts with verified work emails tracked across these 41 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 28, 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.