Company lists · Data refreshed September 2026

Top 25 Federal consulting firms based in Bethesda, United States

Name: Federal consulting firms based in Bethesda, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 50 companies tracked

RevenueBase identified 50 federal consulting firms headquartered in Bethesda, United States as of September 2026 and tracks 2,224 professional contacts across them, including 668 with verified work emails. Washington is the largest hub.

This list covers federal consulting firms headquartered in Bethesda, United States, 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 14, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review

50Companies

2,224Contacts tracked

668Verified emails

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The 25 largest federal consulting firms based in Bethesda, United States

Ranked by team size

Top 25 of 50 federal consulting firms based in Bethesda, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to federal consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Business Integra INC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	501-1,000	324 contacts →
	Indirect evidence “JOBSEEKERS: Our Recruiters only ever reach out from BusinessIntegra.com or PeopleIntegra.com email addresses.” Source: RevenueBase Database · checked Sep 14, 2026
2	ISN	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	201-500	283 contacts →
	Partial evidence “Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal…” Source: RevenueBase Database · checked Sep 14, 2026
3	Manhattan Strategy Group	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	51-200	257 contacts →
	Partial evidence “Manhattan Strategy is a boutique research and management consulting firm dedicated to helping our government and commercial clients achieve performance excellence.” Source: RevenueBase Database · checked Sep 14, 2026
4	GRSI	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	501-1,000	230 contacts →
	Indirect evidence “GRSi is a professional services and technology innovations company, providing state-of-the art solutions across a broad range of requirements, in highly agile yet controlled…” Source: RevenueBase Database · checked Sep 14, 2026
5	Adnet Systems, INC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	201-500	186 contacts →
	Indirect evidence “Welcome to ADNET, a small business, recognized for customer-centric solutions.” Source: RevenueBase Database · checked Sep 14, 2026
6	Rubino	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	51-200	104 contacts →
	Partial evidence “For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…” Source: RevenueBase Database · checked Sep 14, 2026
7	DB Consulting Group, INC	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	201-500	93 contacts →
	Partial evidence “DB Consulting Group Inc, a leading global professional consulting firm, partners with government and commercial clients to deliver strategies, operations and innovative technology…” Source: RevenueBase Database · checked Sep 14, 2026
8	Agovx LLC	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	51-200	83 contacts →
	Partial evidence “AGovX, LLC is an SBA Certified 8(a), Economically Disadvantaged Woman Owned Small Business (ESWOSB) with leadership originating from Top 5 consulting firms.” Source: RevenueBase Database · checked Sep 14, 2026
9	PANUM	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	501-1,000	75 contacts →
	Partial evidence “Panum, a Maryland-based company, provides a continuum of services and strategies to accelerate innovation and transformation for the federal government in meeting its mission.” Source: RevenueBase Database · checked Sep 14, 2026
10	Windsor Group LLC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	45 contacts →
	Indirect evidence “Windsor Group provides professional services to private sector and government agencies.” Source: RevenueBase Database · checked Sep 14, 2026
11	Master KEY Consulting	Strong evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	51-200	36 contacts →
	Strong evidence “Master Key Consulting is an Inc 500 Ranked Federal Contractor with employees located in 11 states and the District of Columbia.” Source: RevenueBase Database · checked Sep 14, 2026
12	JOS Group LLC	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	19 contacts →
	Partial evidence “JOS Group has built a reputation over two decades as a trusted advisor to Federal, State and Local, and commercial clients.” Source: RevenueBase Database · checked Sep 14, 2026
13	Converge Networks Corporation	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	16 contacts →
	Indirect evidence “CNC provides advanced Information Technology solutions focused on expert, cost-effective infrastructure modernization services as well as related business operations support for…” Source: RevenueBase Database · checked Sep 14, 2026
14	TTW Solutions, INC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	15 contacts →
	Indirect evidence “TTW Solutions is an award-winning woman-owned, minority-owned, Certified SBA 8(a) and ED/WOSB small business specializes in providing expert IT and management solutions and…” Source: RevenueBase Database · checked Sep 14, 2026
15	Nartech, INC	Indirect evidence	Bethesda, United StatesHQ checked Sep 14, 2026	11-50	13 contacts →
	Indirect evidence “NARTech is a customer-focused information technology (IT) professional services provider for government and commercial clients.” Source: RevenueBase Database · checked Sep 14, 2026
16	Alfonso & Associates Consulting, INC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	10 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
17	Tischlerbise, INC	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	9 contacts →
	Partial evidence “TischlerBise is a fiscal, economic, and planning consulting firm that specializes in impact fees, fiscal impact analysis, infrastructure funding strategies, and capital…” Source: RevenueBase Database · checked Sep 14, 2026
18	Core International, INC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	9 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
19	Serve Advisory Group	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	8 contacts →
	Indirect evidence “Our Experience After a decade training, serving in and supporting the Armed Services and Department of Defense, and an equal amount of time around the professional services…” Source: RevenueBase Database · checked Sep 14, 2026
20	Coffey Consulting, LLC	Partial evidence	Bethesda, United StatesHQ checked Sep 14, 2026	11-50	8 contacts →
	Partial evidence “Coffey Consulting is a professional services consulting firm founded in 1986 that has been successfully delivering effective solutions to government and private sector clients…” Source: RevenueBase Database · checked Sep 14, 2026
21	EZGSA	Strong evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	5 contacts →
	Strong evidence “EZGSA is an established federal consulting firm specializing in GSA Schedule proposal, contract management, and sales development for businesses aiming to increase their…” Source: RevenueBase Database · checked Sep 14, 2026
22	Space Partnership International	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	11-50	4 contacts →
	Partial evidence “Established in 2009, we are a multi-disciplinary consulting firm providing hands-on support to government agencies and companies engaged in space-related business and technology.” Source: RevenueBase Database · checked Sep 14, 2026
23	Emerging Sun, LLC	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	4 contacts →
	Partial evidence “Emerging Sun LLC is a management consulting firm based in Washington, DC.” Source: RevenueBase Database · checked Sep 14, 2026
24	Govfuse LLC	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “GovFuse helps government agencies discover and deploy the most effective commercially proven AI and tech solutions to modernize their operations.” Source: RevenueBase Database · checked Sep 14, 2026
25	Cache Basis	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Partial evidence “Cache Basis is an IT consulting company specializing in information security.” Source: RevenueBase Database · checked Sep 14, 2026

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: federal consulting firms. 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 federal consulting firms.
Partial evidence: Its own public description names part of federal consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name federal consulting firms. 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.

Showing 25 of 50 federal consulting firms based in Bethesda, United States

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Federal consulting firms based in Bethesda, United States at a glance

As of Sep 14, 2026

30.0%Verified-email coverage

44.5Average contacts per company

11-50Median size (employees)

722.0%Largest-city concentration · Washington

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Bethesda, so it is reported there. Company counts and contact totals on this page are exact for Bethesda, over 50 companies.

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 federal consulting firms, 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.
What qualifies: Companies headquartered in Bethesda, United States whose own description of what they do matches “federal consulting firms”. 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 federal consulting firms), 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 federal consulting firms, and records with no verified work email. Companies headquartered outside Bethesda are excluded even when they keep an office there.
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, 668 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 14, 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.

Federal consulting firms by metro in the United States

Federal consulting firms in Washington361
Federal consulting firms in Arlington136
Federal consulting firms in Atlanta109
Federal consulting firms in Alexandria95
Federal consulting firms in New York93
Federal consulting firms in Reston91
Federal consulting firms in Mclean65
Federal consulting firms in Austin64
Federal consulting firms in Fairfax64
Federal consulting firms in Houston63
Federal consulting firms in Chicago61
Federal consulting firms in Vienna56
Federal consulting firms in Bethesda50
Federal consulting firms in Leesburg47
Federal consulting firms in Rockville45
Federal consulting firms in Columbia44
Federal consulting firms in Los Angeles44
Federal consulting firms in San Diego43
Federal consulting firms in Sacramento42
Federal consulting firms in Ashburn40
Federal consulting firms in Herndon40
Federal consulting firms in Miami40
Federal consulting firms in Seattle35
Federal consulting firms in Chantilly34
Federal consulting firms in Dallas34
Federal consulting firms in San Antonio34
Federal consulting firms in Silver Spring33
Federal consulting firms in Falls Church32
Federal consulting firms in Tampa32
Federal consulting firms in San Francisco29
Federal consulting firms in Tallahassee29
Federal consulting firms in Baltimore27
Federal consulting firms in Boston26
Federal consulting firms in Philadelphia26
Federal consulting firms in Indianapolis25

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 federal consulting firms, 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 federal consulting firms are there based in Bethesda, United States?

RevenueBase identified 50 federal consulting firms headquartered in Bethesda, United States 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?

Business Integra INC, headquartered in Bethesda, tops this list with the largest team on record.

Which city has the most federal consulting firms?

Washington leads with 361 headquartered companies, followed by Arlington (136) and Atlanta (109).

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 668 verified decision-maker contacts tracked across these 50 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 14, 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.