Company lists · Data refreshed October 2026

Top 25 Nonprofit capacity building firms based in Washington, United States

Name: Nonprofit capacity building 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 18, 2026 164 companies tracked

RevenueBase identified 164 company matches for nonprofit capacity building firms associated with Washington, United States as of October 2026 and tracks 2,008 professional contacts across them, including 821 with verified work emails. Across the United States, New York is the largest hub for this category (199 companies); Washington follows with 164.

This list covers company matches for nonprofit capacity building 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 18, 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 18, 2026 How this list was built

164Companies

2,008Contacts tracked

821Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest nonprofit capacity building firms based in Washington, United States

Ranked by team size

Top 25 of 164 company matches for nonprofit capacity building firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Nonprofit Hr, Powered By Onedigital	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	10001+	298 contacts →
	Exact match “Nonprofit HR was founded with one goal in mind: to strengthen the social impact sector by strengthening its people.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	M R	Exact match	Washington, United StatesHQ recorded Oct 18, 2026	51-200	212 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Global Impact	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	189 contacts →
	Exact match “Global Impact serves as a trusted philanthropy advisor, intermediary, and nonprofit partner for greater giving.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	Arabella Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	201-500	132 contacts →
	Exact match “Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	ORR Group	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	90 contacts →
	Exact match “Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	Avalon Consulting Group	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	82 contacts →
	Exact match “Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Lautman Maska Neill & Company	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	70 contacts →
	Exact match “Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	Humentum	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	68 contacts →
	Exact match “Humentum is a global nonprofit that unlocks the strategic power of operating models for social good organizations.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Georgetown Global Consulting	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	51-200	59 contacts →
	Exact match “Most consulting firms specialize in consulting for either for-profit companies or large multinational non-profits or NGOs.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Freedman Consulting, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	49 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 18, 2026 · View company records in RevenueBase
11	Boardsource	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	45 contacts →
	Exact match “BoardSource envisions a future where the nonprofit community has the leadership to fulfill its purpose and create a just world where all can thrive.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Quatt Associates	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	20 contacts →
	Exact match “Quatt Associates, Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Fair Chance	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	16 contacts →
	Exact match “Fair Chance envisions a world where every child succeeds.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Touchdown Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	14 contacts →
	Exact match “OUR APPROACH Partner Strong relationships are at the heart of everything we do.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Spark Point Fundraising	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	14 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 · Oct 18, 2026 · View company records in RevenueBase
16	Innovative Federal Strategies	Exact match	Washington, United StatesHQ recorded Oct 18, 2026	11-50	13 contacts →
	Exact match “Innovative Federal Strategies provides big firm results with a small firm feel.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	Abundance Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	12 contacts →
	Exact match “For more than ten years, Abundance Strategies (formerly KG Consulting) has been empowering nonprofits to embrace a culture of abundance and helping them to raise millions of…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Thread Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	11 contacts →
	Exact match “Thread Strategies is a woman-led fundraising consulting firm that specializes in supporting small nonprofits.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	20 Degrees	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	11 contacts →
	Exact match “20 Degrees is a team of innovative, irreverent optimists changing the culture of philanthropy and the business of early childhood education.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Nonprofit Professionals Network Of Washington, DC NPN DC	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	11 contacts →
	Exact match “The Nonprofit Professionals Network of Washington, DC (NPN DC) strengthens the greater Washington nonprofit sector by activating, engaging, and championing emerging nonprofit…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	Bernuth & Williamson	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	10 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 18, 2026 · View company records in RevenueBase
22	Klamp & Associates, P.C	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	9 contacts →
	Exact match “Klamp & Associates is a law firm dedicated exclusively to representing charitable organizations.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Nanoe National Association Of Nonprofit Organizations & Executives	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	11-50	9 contacts →
	Exact match “Our Members Are Our Mission National Association of Nonprofit Organizations & Executives (NANOE) is a nationwide network of donors, volunteers and charitable leaders whose…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	O2 Consulting Group	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	8 contacts →
	Exact match “For more than 40 years the O2 Consulting Group leadership worked side by side of brilliant CEOs – CEOs with incredible creativity, passion and the desire to accomplish the…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	The Nonprofit Alliance	Exact match	Washington, DC, United StatesHQ recorded Oct 18, 2026	1-10	8 contacts →
	Exact match “TNPA empowers mission-driven changemakers.” Recorded in the RevenueBase company graph · Oct 18, 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 “nonprofit capacity building 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 164 nonprofit capacity building firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 821 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Nonprofit capacity building firms based in Washington, United States at a glance

As of Oct 18, 2026

40.9%Verified-email coverage

12.2Average contacts per company

1-10Median size (employees)

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

139

11-50

51-200

201-500

10001+

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 164 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 “nonprofit capacity building 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 821 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 18, 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.

Nonprofit capacity building 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 “nonprofit capacity building firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit capacity building firms are there based in Washington, United States?

RevenueBase identified 164 company matches for nonprofit capacity building 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?

Nonprofit Hr, Powered By Onedigital 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 nonprofit capacity building firms?

New York leads the United States with 199 company records, followed by Washington (164) and Chicago (159).

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 821 professional contacts with verified work emails tracked across these 164 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 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 164 nonprofit capacity building firms based in Washington, United States. Start with a free account, no credit card.

Download this list →

Related lists

Nonprofit capacity building firms by geography

Browse the directory

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.