Company lists · Data refreshed October 2026

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

RevenueBase identified 63 company matches for nonprofit capacity building firms associated with Boston, United States as of October 2026 and tracks 455 professional contacts across them, including 172 with verified work emails. Across the United States, New York is the largest hub for this category (199 companies); Boston has 63.

This list covers company matches for nonprofit capacity building firms associated with Boston, 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
63Companies
455Contacts tracked
172Verified emails
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The 25 largest nonprofit capacity building firms based in Boston, United States

Ranked by team size
Top 25 of 63 company matches for nonprofit capacity building firms based in Boston, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Oct 18, 2026201-500108 contacts →

Exact match

“At Third Sector New England, Inc.(TSNE) we know that change is possible and that change can be activated within people and communities.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Oct 18, 202651-20073 contacts →

Exact match

“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Oct 18, 2026n/a33 contacts →

Exact match

“SOAR strengthens nonprofits through collaborative, pro bono consulting that builds organizational capacity and deepens community impact while fostering an enriching learning…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Oct 18, 202611-5028 contacts →

Exact match

“TDC is a nonprofit management consulting and research firm that works across the nonprofit sector.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Oct 18, 202611-5025 contacts →

Exact match

“The Social Innovation Forum (SIF) creates positive social change in greater Boston by engaging leaders, strengthening organizations, and building networks.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Oct 18, 202611-5020 contacts →

Exact match

“At Black Fox Global, we’re committed to helping you mobilize significant resources to break the cycle of urgency in fundraising, build capacity, and deepen your impact.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-109 contacts →

Exact match

“We partner with small and medium-sized nonprofits to build their capacity for fundraising success by strengthening their fundraising infrastructure, helping cultivate their unique…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Oct 18, 202611-509 contacts →

Exact match

“We partner with nonprofit leaders to drive their missions forward with fresh perspectives and high-impact solutions through our 45+ years of experience in strategy, fundraising…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-107 contacts →

Exact match

“The Numad Group is communication, fundraising, strategic planning, and program evaluation consulting firm that primarily partners with nonprofits in the arts, education, and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-107 contacts →

Exact match

“Field First LLC is a progressive consulting firm focused on helping community organizations, issue-based coalitions, labor unions, political campaigns, and companies achieve their…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-105 contacts →

Exact match

“We help mission-driven organizations reframe their focus and remaster their message so that they can thrive in any environment.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-105 contacts →

Exact match

“Helping Small Businesses, Nonprofits, and Government Agencies plan and execute memorable events & workshops that appear flawless.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchBoston, United StatesHQ recorded Oct 18, 20261-105 contacts →

Exact match

“Rooted Edge Consulting provides consulting support for mission-based organizations and nonprofits and nonprofit staff, including: running full-cycle recruitment searches…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-104 contacts →

Exact match

“SFRsolutions helps nonprofit organizations build reliable, scalable revenue streams.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-103 contacts →

Exact match

“Copley Raff is a U.S.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“Over 50 years of organizational development and fundraising have positioned Sondra Madison and Jeff Habib to partner with you to uncover and address key strategic concerns.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchBoston, NH, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“Morelli Associates specializes in Non-Profit Business Consulting and Strategic Coaching for Staff and Board Leadership focused on Margin for Mission while eliminating…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“Partnering with nonprofit organizations and small businesses and their leaders to provide the financial expertise and guidance essential for their long-term success.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“SectorWind is a boutique consulting firm that partners with philanthropy, nonprofits, and networks to build the financial strength, strategic clarity, and long-term adaptability…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“The most important challenges organizations face are rarely technical.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchBoston, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“SISU Vantage is a team of globally based professionals who are passionate about individuals and organizations unleashing their potential for sustainable growth and social impact.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“IdeaLift Group LLC is a boutique strategic consulting firm that helps leaders, teams and organizations to unlock their full potential.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“Sage Advancement Group is a fundraising, strategy and market research consulting firm serving nonprofits throughout New England.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“Boutique fundraising firm, helping boards of directors, C-level nonprofit leaders, academic officials, and development officers commit vision to action.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“We are a consulting group that works with nonprofits and social service agencies to improve your services to clients by leveraging your greatest resource, your human resources!”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 63 nonprofit capacity building firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 172 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 18, 2026
37.8%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
8
51-200
1
201-500
2

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 63 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 Boston, 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 172 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.

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 Boston, United States?

RevenueBase identified 63 company matches for nonprofit capacity building firms associated with Boston, 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?

TSNE 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). Boston has 63.

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 172 professional contacts with verified work emails tracked across these 63 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.

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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.