Company lists · Data refreshed September 2026

Top 25 Government affairs staffing companies based in the United States

RevenueBase identified 1,531 company matches for government affairs staffing companies associated with the United States as of September 2026 and tracks 13,807 professional contacts across them, including 5,347 with verified work emails. Washington is the largest hub.

This list covers company matches for government affairs staffing companies associated with the 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
1,531Companies
13,807Contacts tracked
5,347Verified emails
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The 25 largest government affairs staffing companies based in the United States

Ranked by team size
Top 25 of 1,531 company matches for government affairs staffing companies based in the 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 matchNew York, NY, United StatesHQ recorded Sep 28, 202651-200390 contacts →

Exact match

“Mercury is a national bipartisan government relations and strategic communications firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchNewport News, VA, United StatesHQ recorded Sep 28, 2026201-500337 contacts →

Exact match

“CTR Group provides staffing and recruiting services across the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026201-500255 contacts →

Exact match

“Cornerstone Government Affairs is a full-service, bipartisan, employee-owned firm specializing in government relations and lobbying, public affairs, strategic communications, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchFalls Church, VA, United StatesHQ recorded Sep 28, 2026501-1,000199 contacts →

Exact match

“NVT Staffing is a direct reflection of the rapid growth and expansion of our parent company, Northern Virginia Temporaries, Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchArlington, VA, United StatesHQ recorded Sep 28, 2026201-500188 contacts →

Exact match

“Strategy + Execution = Results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200170 contacts →

Exact match

“McAllister & Quinn is a Washington, DC consulting firm that provides a comprehensive range of services to a diverse group of clients with issues before the federal government.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchTempe, AZ, United StatesHQ recorded Sep 28, 20261,001-5,000142 contacts →

Exact match

“Corporate Job Bank has built our business and reputation since 1985 by finding the best people.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026201-500121 contacts →

Exact match

“Edelman’s public and government affairs team of consultants are trusted and experienced public affairs advisors-including former government officials, political advisors, policy…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 28, 202651-200115 contacts →

Exact match

“Founded in 1993, Vitaver and Associates offers three decades of expertise in professional recruitment services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchEnglewood, CO, United StatesHQ recorded Sep 28, 202611-50114 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchArlington, VA, United StatesHQ recorded Sep 28, 202651-200104 contacts →

Exact match

“MultiState is a full-service state and local government relations company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchArlington, VA, United StatesHQ recorded Sep 28, 202651-200102 contacts →

Exact match

“Stateside Associates is the largest state and local government affairs firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20097 contacts →

Exact match

“Monument Advocacy is a bipartisan firm that offers government relations, public affairs, strategic and crisis communications, and digital services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBedford, TX, United StatesHQ recorded Sep 28, 2026501-1,00090 contacts →

Exact match

“Our History Founded by an experienced team of staffing professionals and business executives, Abba Staffing & Consulting was built around core beliefs that include integrity…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202611-5088 contacts →

Exact match

“Kasirer is NYC's #1 lobbying firm, navigating government on behalf of private sector & nonprofit clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchStafford, TX, United StatesHQ recorded Sep 28, 202611-5088 contacts →

Exact match

“ChaseSource is a minority owned company, specializing in recruiting and consulting that helps organizations solve their staffing problems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5084 contacts →

Exact match

“Founded in 1982, The Ferguson Group has a proud record of success advocating on behalf of local communities.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20082 contacts →

Exact match

“For more than 30 years, Van Scoyoc Associates (VSA) has been developing and executing tailored government affairs strategies for its clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20079 contacts →

Exact match

“At Cassidy and Associates, we make Washington work for you.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchEaston, PA, United StatesHQ recorded Sep 28, 202651-20077 contacts →

Exact match

“Florio Perrucci Steinhardt Cappelli & Tipton LLC was founded on the belief that business objectives can only be achieved by combining strategic and aggressive legal advocacy with…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchTallahassee, FL, United StatesHQ recorded Sep 28, 202651-20072 contacts →

Exact match

“Every day across Florida, throughout our network of 60+ lobbyists, we are navigating Tallahassee, advancing interests, amplifying voices, influencing decision makers, cutting…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchTallahassee, FL, United StatesHQ recorded Sep 28, 202611-5069 contacts →

Exact match

“Ballard Partners specializes in all aspects of governmental and public affairs, including legislative and executive agency advocacy in Washington, DC, Florida, Boston, Tel Aviv…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20069 contacts →

Exact match

“Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchIndianapolis, IN, United StatesHQ recorded Sep 28, 202611-5066 contacts →

Exact match

“Bose Public Affairs Group successfully advocates for our clients’ legislative, regulatory, procurement, political and communication interests with offices in Indianapolis and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5063 contacts →

Exact match

“Capitol Counsel, LLC is a full service government relations firm providing political analysis, strategic advice and advocacy services.”

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

Showing 25 of 1,531 government affairs staffing companies based in the United States

See the full list, filter by size, metro and specialty, and access 5,347 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government affairs staffing companies based in the United States at a glance

As of Sep 28, 2026
38.7%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
22.7%Largest-city concentration · Washington
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,172
11-50
282
51-200
59
201-500
7
501-1,000
4
1,001-5,000
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,531 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 the United States whose business descriptions match “government affairs staffing companies” 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 5,347 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 affairs staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government affairs staffing companies are there based in the United States?

RevenueBase identified 1,531 company matches for government affairs staffing companies associated with the 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?

Mercury Public Affairs, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government affairs staffing companies?

Washington leads with 348 company records, followed by Sacramento (68) and Austin (53).

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 5,347 professional contacts with verified work emails tracked across these 1,531 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.