Company lists · Data refreshed September 2026

Top 24 Philanthropy consulting firms based in Boston, United States

RevenueBase identified 53 company matches for philanthropy consulting firms associated with Boston, United States as of September 2026 and tracks 807 professional contacts across them, including 425 with verified work emails. Across the United States, New York is the largest hub for this category (175 companies); Boston has 53.

This list covers company matches for philanthropy consulting 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 September 21, 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 21, 2026 How this list was built
53Companies
807Contacts tracked
425Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest philanthropy consulting firms based in Boston, United States

Ranked by team size
Top 24 of 53 company matches for philanthropy consulting firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 Sep 21, 2026201-500443 contacts →

Exact match

“The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202651-20074 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 · Sep 21, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“The Philanthropic Initiative (TPI) helps companies, foundations, families and individuals find innovative ways to maximize the impact of their giving.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202611-5028 contacts →

Exact match

“GMA Foundations helps you define a clear path to transformative philanthropy, and then walks the path with you as an ally and a guide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202611-5027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202611-5025 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 · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 21, 2026201-50022 contacts →

Exact match

“Founded in 1998, Inspire is a 501(c)(3) nonprofit offering management and strategy consulting services to leading nonprofit organizations across the United States.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-108 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 · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Through a unique 100% focus on philanthropic operation services, The Venti Group will innovate and optimize your fundraising operations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBoston, United StatesHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Development leaders: Whether you're tasked with raising $1M or $100M, the stakes are super high.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Copley Raff is a U.S.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

“To companies needing business development, political organizations needing an assist with communications, fundraising, or strategy, schools looking to reach the next level, or any…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Development Strategy strengthens organizations to maximize the full potential of their mission.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202651-2002 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBoston, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Agility + Strategy+ Funding= Mission Impact Does your organization need to secure more funds for mission-critical work?”

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

Exact match

“RC Consulting helps small nonprofits increase revenue through resource-responsive, mission-driven fundraising strategies so that they can do more for the communities they serve.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Marketing consultancy for nonprofits and philanthropic organizations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBoston, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Chiron Strategy Group, a Boston-based small business consultancy, provides strategic and operational guidance to non-profit organizations, government agencies, and other social…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 24 of 53 philanthropy consulting firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 425 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Philanthropy consulting firms based in Boston, United States at a glance

As of Sep 21, 2026
52.7%Verified-email coverage
15.2Average contacts per company
1-10Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
10
51-200
3
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 53 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 “philanthropy 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 425 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 21, 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 “philanthropy consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many philanthropy consulting firms are there based in Boston, United States?

RevenueBase identified 53 company matches for philanthropy consulting firms associated with Boston, 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?

The Bridgespan Group 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 philanthropy consulting firms?

New York leads the United States with 175 company records, followed by Washington (129) and Chicago (123). Boston has 53.

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 425 professional contacts with verified work emails tracked across these 53 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 53 philanthropy consulting firms based in Boston, 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.