Company lists · Data refreshed September 2026

Top 25 Federal contracting advisors based in the United States

RevenueBase identified 2,274 company matches for federal contracting advisors associated with the United States as of September 2026 and tracks 24,953 professional contacts across them, including 6,937 with verified work emails. Washington is the largest hub.

This list covers company matches for federal contracting advisors 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 20, 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 20, 2026 How this list was built
2,274Companies
24,953Contacts tracked
6,937Verified emails
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The 25 largest federal contracting advisors based in the United States

Ranked by team size
Top 25 of 2,274 company matches for federal contracting advisors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchBroomfield, CO, United StatesHQ recorded Sep 20, 2026n/a1,000 contacts →

Exact match

“Gov-Con provides financial and accounting solutions for government contractors such as SBIR Award Winners, DoD contractors, Prime Contractors and Subcontractors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchVirginia Beach, VA, United StatesHQ recorded Sep 20, 2026201-500641 contacts →

Exact match

“ADS provides innovative and cost-effective solutions for our customers’ equipment, procurement, and logistics challenges.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchFairfax, VA, United StatesHQ recorded Sep 20, 2026201-500558 contacts →

Exact match

“GSA National has been helping government contractors ensure compliance and streamline costs since 1991.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWayne, PA, United StatesHQ recorded Sep 20, 20261,001-5,000557 contacts →

Exact match

“For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 20, 2026201-500546 contacts →

Exact match

“DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchBlacksburg, VA, United StatesHQ recorded Sep 20, 202651-200373 contacts →

Exact match

“JPI is an Information Technology and Program Management Consulting Firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchAnnapolis, MD, United StatesHQ recorded Sep 20, 2026201-500350 contacts →

Exact match

“Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchArlington, VA, United StatesHQ recorded Sep 20, 20261,001-5,000349 contacts →

Exact match

“FCi Federal is now part of PAE.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchFairborn, OH, United StatesHQ recorded Sep 20, 2026201-500326 contacts →

Exact match

“Peerless Technologies Corporation is a nationally recognized, award-winning, and reputable business serving federal government clients at more than 25 locations nationwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchSterling, VA, United StatesHQ recorded Sep 20, 2026201-500312 contacts →

Exact match

“Based in Sterling, Virginia, iQuasar LLC, with over 20 years of experience, we help small and medium businesses grow in the federal marketplace through Proposal Development…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchLexington, MA, United StatesHQ recorded Sep 20, 2026201-500299 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBethesda, MD, United StatesHQ recorded Sep 20, 2026201-500283 contacts →

Exact match

“Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200263 contacts →

Exact match

“Traditional we are not.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchOrlando, FL, United StatesHQ recorded Sep 20, 2026201-500228 contacts →

Exact match

“For nearly 40 years, Conti Federal Services has delivered on-time and on-budget performance for some of the US Federal Government’s most challenging projects by operating…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchHerndon, VA, United StatesHQ recorded Sep 20, 202651-200192 contacts →

Exact match

“For nearly two decades, ASI Government has served as a trusted advisor to government leaders seeking to improve mission performance, enhance organizational effectiveness and drive…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
17Exact matchArlington, VA, United StatesHQ recorded Sep 20, 202651-200166 contacts →

Exact match

“Sprez·za·tu·ra (sprāt-tsä-ˈtü-rä) n.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchReston, VA, United StatesHQ recorded Sep 20, 2026501-1,000146 contacts →

Exact match

“Ace Info Solutions (AceInfo), a Dovel company, is a leading Federal contractor with a focused vision: empower our clients, challenge our employees, and grow our business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
20Exact matchWoodbridge, VA, United StatesHQ recorded Sep 20, 202651-200139 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchFalls Church, VA, United StatesHQ recorded Sep 20, 2026201-500138 contacts →

Exact match

“ARServices is the management, professional and technology consulting services provider of choice by government agencies that demand agility, reliability, and sustained quality…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSanta Ana, CA, United StatesHQ recorded Sep 20, 2026501-1,000138 contacts →

Exact match

“We’re strategic thinkers and complex problem solvers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchColumbus, United StatesHQ recorded Sep 20, 2026n/a135 contacts →

Exact match

“Early stage technology and innovation consultancy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchAshburn, VA, United StatesHQ recorded Sep 20, 202651-200134 contacts →

Exact match

“Arthur Grand Technologies an SBA certified 8(a) firm offers a broad range of Technology and Business Consulting services to federal and commercial customers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchScottsdale, AZ, United StatesHQ recorded Sep 20, 202611-50124 contacts →

Exact match

“MO helps government leaders achieve their mission by designing intuitive and sustainable experiences that build trust, improve satisfaction, and reduce burden.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 2,274 federal contracting advisors based in the United States

See the full list, filter by size, metro and specialty, and access 6,937 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal contracting advisors based in the United States at a glance

As of Sep 20, 2026
27.8%Verified-email coverage
11.0Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,558
11-50
501
51-200
167
201-500
35
501-1,000
5
1,001-5,000
5
10001+
1

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 2,274 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 “federal contracting advisors” 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 6,937 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 20, 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 “federal contracting advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal contracting advisors are there based in the United States?

RevenueBase identified 2,274 company matches for federal contracting advisors 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?

Gov-Con Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most federal contracting advisors?

Washington leads with 192 company records, followed by Arlington (63) and Alexandria (51).

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 6,937 professional contacts with verified work emails tracked across these 2,274 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 20, 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.