Company lists · Data refreshed September 2026

Top 25 Pro bono consulting firms based in Washington, United States

RevenueBase identified 76 company matches for pro bono consulting firms associated with Washington, United States as of September 2026 and tracks 841 professional contacts across them, including 308 with verified work emails. Across the United States, New York is the largest hub for this category (94 companies); Washington has 76.

This list covers company matches for pro bono 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
76Companies
841Contacts tracked
308Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest pro bono consulting firms based in Washington, United States

Ranked by team size
Top 25 of 76 company matches for pro bono 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, United StatesHQ recorded Sep 14, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-50101 contacts →

Exact match

“Hilltop Consultants is a consulting organization entirely run by Georgetown University undergraduates that executes and leads 6-7 strategy consulting projects each semester for…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5061 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 · Sep 14, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5019 contacts →

Exact match

“Quatt Associates, Inc.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5015 contacts →

Exact match

“Founded in 1996, the Pro Bono Institute (PBI) is a Washington, D.C-based nonprofit organization.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5014 contacts →

Exact match

“Spark Point is the resource that nonprofits are hungry for – a thought partner to guide them to an easily implemented, sustainable fundraising strategy and an experienced grant…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5013 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 · Sep 14, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202611-5012 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 · Sep 14, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-108 contacts →

Exact match

“At BlochReed, a Vetted Solutions Company, we believe that effective associations and nonprofit organizations can change the world.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchWashington, United StatesHQ recorded Sep 14, 20261-105 contacts →

Exact match

“Lateral Solutions partners with growth-minded leaders who want to scale without chaos.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“mevvn, LLC provides management consulting services to support organizational leaders in nonprofits, startups and small businesses.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“We are Penchina Partners.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“DiCam is focused on bringing NPO and for-profit partnerships together for sustained social change that impact the health and wealth of underserved communities and Black and Brown…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 14, 202651-2002 contacts →

Exact match

“DSO is a student apprenticeship program that delivers pro-bono consulting services to clients in the international development sector.* We link students (undergraduate and…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-102 contacts →

Exact match

“Strategic, operations and organization development consulting for businesses and nonprofit organizations.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“We support mission-driven teams, growth-focused leaders, and the causes they care about.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“CARTER+DAVIDSON Consulting seeks to empower the grassroots nonprofit community by delivering strategic fundraising and marketing consultation services.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“d'nitiatives® helps nonprofit organizations set strategic direction, design initiatives, grow resources, and support change.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“Advising on all matters in the wheelhouse of experienced nonprofit CEOs, COOs, trustees.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“We guide mission and strategy for purpose-driven organizations, aligning leaders and teams to clarify complexity, adapt quickly, and spark change.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“We are a boutique consulting firm that supports nonprofits and mission-driven organizations and leaders.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“Acordis Consulting was founded in 2011 to provide unparalleled technical expertise to our customers.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“Cordone Consulting represents non-profit organizations and for-profit businesses, providing them with strategic advice, technical assistance, and advocacy on a wide range of…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“The mission of Rogue Tulips Nonprofit Consulting & Association Management Services is to find inspired solutions to the unique challenges facing our clients in the 21st Century.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 76 pro bono consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 308 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Pro bono consulting firms based in Washington, United States at a glance

As of Sep 14, 2026
36.6%Verified-email coverage
11.1Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
58
11-50
14
51-200
4

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 76 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 “pro bono 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 308 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.

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

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

RevenueBase identified 76 company matches for pro bono 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?

M R 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 pro bono consulting firms?

New York leads the United States with 94 company records, followed by Chicago (76) and Washington (76).

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 308 professional contacts with verified work emails tracked across these 76 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.

Ready to reach these companies? Verified emails and direct dials for all 76 pro bono consulting firms based in Washington, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.