Company lists · Data refreshed October 2026

Top 25 Impact measurement consulting firms based in Washington, United States

Name: Impact measurement 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 Oct 1, 2026 159 companies tracked

RevenueBase identified 159 company matches for impact measurement consulting firms associated with Washington, United States as of October 2026 and tracks 1,193 professional contacts across them, including 384 with verified work emails. Across the United States, New York is the largest hub for this category (241 companies); Washington follows with 159.

This list covers company matches for impact measurement 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 October 1, 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 Oct 1, 2026 How this list was built

159Companies

1,193Contacts tracked

384Verified emails

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The 25 largest impact measurement consulting firms based in Washington, United States

Ranked by team size

Top 25 of 159 company matches for impact measurement consulting firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Good Company	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	n/a	186 contacts →
	Exact match “Founded in 2006, Good Company is a social impact consultancy specializing in innovative, collaborative marketing, partnerships and communications strategies with purpose.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Summit	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	124 contacts →
	Exact match “Summit is a quantitative consulting and data analytics firm that works with public and commercial clients to turn data into actionable intelligence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Freedman Consulting, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	61 contacts →
	Exact match “Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Ward Circle Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	52 contacts →
	Exact match “Ward Circle Strategies, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Institute For Development Impact - I4di	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	37 contacts →
	Exact match “The Institute for Development Impact (I4DI) is rethinking impact measurement and learning to shape how organizations invest, operate, and improve.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Northbridge	Exact match	Washington, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
7	Mission Partners, Benefit LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “Mission Partners guides purpose-driven organizations in realizing their greatest social impact.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	The Clark Group LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	Hattaway Communications	Exact match	Washington, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “Hattaway Communications, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Jlan Solutions	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	16 contacts →
	Exact match “The Ideal Partner for a Successful Mission To meet the ever-changing demands of a dynamic environment, JLAN Solutions has the necessary breadth and depth of experience.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Rising Solutions	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	14 contacts →
	Exact match “Rising Solutions supports nonprofits, governments and corporations to launch their new ideas for social impact through innovation strategy, professional facilitation…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Bernuth & Williamson	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Bernuth & Williamson provides consulting services in the areas of strategy, change management, and organizational development to leading nonprofits, foundations, associations, and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Developmetrics	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Founded by international development experts, DevelopMetrics.com is a small women-owned data science business focused on impact.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Bell Creek Consulting	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “Bell Creek Consulting is a growing mission-‐driven firm launched by alumni of top‐tier strategy consultancies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Provoc	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “At Provoc, we envision a world where every progressive organization achieves its mission.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Impactual LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Impactual is a woman-owned social impact consulting firm committed to helping brands, philanthropists, and nonprofits create meaningful change in society.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	NEW River Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “We use data, analytics, and technology to move people to action.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Aton Path	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	8 contacts →
	Exact match “Aton Path is a global strategy and execution platform built to bridge governments, capital markets, and industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Captivate Perspectives	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “Captivate Perspectives provides high quality talents and services to support organizations in achieving maximum and positive results.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Intermedia Survey Institute	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “InterMedia is is a global research consultancy that partners with mission-driven organizations seeking to make an impact in people’s lives around the world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Boardroom Insights Consulting	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Client Founded, Customer Focused, Hi-Touch Passionate Agency" From Just An Idea As a Client To Founder of an Agency.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Kavle Consulting, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Kavle Consulting, LLC is a woman and minority-owned and Africa-led social impact small business firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Partnership International, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Partnership International, Inc, founded in 1990, is an international consulting firm that provides socio-economic, regulatory, institutional, technical, commercial and financial…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Green Capitol	Exact match	Washington, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Green Capitol LLC works on sustainable development policy at the state, federal and international levels, serving clients on agriculture, energy and environment concerns via…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	HIP Consult INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match “HIP Consult is an independent management consulting firm, offering strategic and operational services to companies, investors, international agencies, and governments worldwide.” Recorded in the RevenueBase company graph · Oct 1, 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 “impact measurement 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 159 impact measurement consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 384 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact measurement consulting firms based in Washington, United States at a glance

As of Oct 1, 2026

32.2%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

122

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 159 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 “impact measurement 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 384 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 October 1, 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.

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

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

RevenueBase identified 159 company matches for impact measurement consulting firms associated with Washington, United States as of October 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?

Good Company 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 impact measurement consulting firms?

New York leads the United States with 241 company records, followed by Washington (159) and Chicago (129).

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 384 professional contacts with verified work emails tracked across these 159 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 October 1, 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.