Company lists · Data refreshed September 2026

Top 25 Scientific consulting firms based in Washington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 81 companies tracked

RevenueBase identified 81 company matches for scientific consulting firms associated with Washington, United States as of September 2026 and tracks 1,042 professional contacts across them, including 394 with verified work emails. Across the United States, Houston is the largest hub for this category (182 companies); Washington has 81.

This list covers company matches for scientific 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 14, 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 14, 2026 How this list was built

81Companies

1,042Contacts tracked

394Verified emails

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The 25 largest scientific consulting firms based in Washington, United States

Ranked by team size

Top 25 of 81 company matches for scientific consulting firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Mcra, An Iqvia Business	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	226 contacts →
	Exact match “MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	KCIC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	115 contacts →
	Exact match “KCIC is a consulting firm that helps companies manage their product liabilities.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Scendea	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	76 contacts →
	Exact match “Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	NDA Partners, A Propharma Company	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	53 contacts →
	Exact match “NDA Partners, a ProPharma Company, is a life sciences management consulting organization focused on providing product development and regulatory services to the pharmaceutical…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Capital Group	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	43 contacts →
	Exact match “Capital Group is a management consulting firm with more than a decade of experience in providing effective and innovative consulting services to public and private sector clients.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	Northbridge	Exact match	Washington, United StatesHQ recorded Sep 14, 2026	11-50	24 contacts →
	Exact match “At Northbridge, we provide our clients with the tools and expertise to help solve complex financial, policy, and environmental challenges.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7	Avascent	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	20 contacts →
	Exact match “Avascent is the leading management consulting firm specializing in serving senior executives in the defense, aerospace, healthcare, homeland security, logistics, technical…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Victory SIX Advisors	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	20 contacts →
	Exact match “Victory Six provides industry leaders an unbiased, independent lens, pulling from a wealth of experts with distinguished industry and government backgrounds.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	The Acta Group	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	19 contacts →
	Exact match “The Acta Group (Acta) is a global consulting firm established to control the spiraling costs and inefficiencies encountered by clients seeking approvals to market chemicals…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10	The Clark Group LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	19 contacts →
	Exact match “The Clark Group is an environmental policy consulting firm that provides a broad range of services to government, private and nonprofit clients.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Avantiqor	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	19 contacts →
	Exact match “Avantiqor offers scientific, engineering, and technical expertise to clients in the government, academia, and industry.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12	The Weinberg Group	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	17 contacts →
	Exact match “The Weinberg Group, a ProPharma Group company, is the global leader in regulatory and compliance services, with headquarters in Washington, D.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13	Dawson & Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	16 contacts →
	Exact match “Dawson & Associates is the nation’s premier firm for resolving complex challenges involving Federal water and environmental policies.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Numark Associates, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Toxservices LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	14 contacts →
	Exact match “ToxServices is a scientific consulting firm providing with more than a decade of expertise in toxicology, risk assessment, comparative hazard assessment, and the application of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16	Blackwoods Group	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	14 contacts →
	Exact match “Blackwoods Group is an agriculture and natural resource consulting firm that provides a variety of services ranging from government relations to development and implementation of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17	TSG Consulting	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	11 contacts →
	Exact match “For over 30 years, TSG has provided companies around the world with regulatory guidance and scientific expertise.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18	DRM International, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	7 contacts →
	Exact match “DRM International, Inc,(DRM) is a leading DIsadvantaged Business Enterprise (DBE) professional engineering consulting firm offering engineering, architectural, planning…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19	BAYNE	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	7 contacts →
	Exact match “Bayne is a national consulting firm that uses industry expertise, skilled consultants, and an ethos of proven business practices to drive results.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20	Washington Occupational Health Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	5 contacts →
	Exact match “For over 30 years, Washington Occupational Health Associates (WOHA) has been the leading provider of expert occupational, environmental, and public health consulting services to…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21	Consultvisory	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	5 contacts →
	Exact match “At ConsultVisory, we specialize in navigating the intricate landscape of Regulatory Compliance, Finance & Accounting Services, Strategic Marketing, Information & Technology…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22	Highrock Analytics	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	4 contacts →
	Exact match “HighRock specializes in resolving data and modeling challenges for policyholders and insurers.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23	Deborah Brosnan & Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	4 contacts →
	Exact match “Leading and innovative company that finding solutions, bridging gaps and driving positive action for clients and the planet.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24	Smartpharma LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	4 contacts →
	Exact match “SmartPharma specializes in commercial and strategic consulting for emerging pharmaceutical companies, big pharma, and investors, focused on products in development.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25	Mantid International LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	3 contacts →
	Exact match “MANTID INTERNATIONAL LLC is a compliance and business intelligence consulting firm.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “scientific consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 81 scientific consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 394 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Scientific consulting firms based in Washington, United States at a glance

As of Sep 14, 2026

37.8%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 81 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 “scientific 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 394 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 14, 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.

Scientific consulting firms by metro in the United States

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

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

RevenueBase identified 81 company matches for scientific 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?

Mcra, An Iqvia Business 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 scientific consulting firms?

Houston leads the United States with 182 company records, followed by New York (125) and San Diego (95). Washington has 81.

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 394 professional contacts with verified work emails tracked across these 81 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 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 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.