Company lists · Data refreshed September 2026

Top 25 Nonprofit consulting providers based in Boston, United States

Name: Nonprofit consulting providers based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 87 companies tracked

RevenueBase identified 87 company matches for nonprofit consulting providers associated with Boston, United States as of September 2026 and tracks 969 professional contacts across them, including 493 with verified work emails. Across the United States, New York is the largest hub for this category (307 companies); Boston has 87.

This list covers company matches for nonprofit consulting providers 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 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

87Companies

969Contacts tracked

493Verified emails

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The 25 largest nonprofit consulting providers based in Boston, United States

Ranked by team size

Top 25 of 87 company matches for nonprofit consulting providers based in Boston, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The Bridgespan Group	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	201-500	443 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 14, 2026 · View company records in RevenueBase
2	Empower Success Corps	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	51-200	74 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 14, 2026 · View company records in RevenueBase
3	Soar Management Consulting Group	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	n/a	37 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 · Sep 14, 2026 · View company records in RevenueBase
4	The More Than Giving CO	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	n/a	31 contacts →
	Exact match “We give nonprofits with visionary leaders and compelling missions an affordable, on-demand staffing solution to supplement the bandwidth and skillsets of their volunteer force.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	GMA Foundations	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	11-50	28 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 14, 2026 · View company records in RevenueBase
6	TDC Nonprofit Management Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	11-50	27 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 14, 2026 · View company records in RevenueBase
7	Brightvine Solutions	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	11-50	26 contacts →
	Exact match “BrightVine is a full service, boutique consultancy providing nonprofit technology consulting and advisory services.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Development Guild DDI	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	11-50	25 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 14, 2026 · View company records in RevenueBase
9	Inspire INC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	201-500	22 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 14, 2026 · View company records in RevenueBase
10	Roundtable Strategy Advisors	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	51-200	13 contacts →
	Exact match “We are seasoned professionals within the consulting field and former C-Suite executives who know what it takes to get the job done efficiently and on-time.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Page Consulting LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	8 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 14, 2026 · View company records in RevenueBase
12	The Numad Group	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	7 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 14, 2026 · View company records in RevenueBase
13	Derby Management	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	7 contacts →
	Exact match “We're a hands-on management consulting company providing the value of deep expertise in improving sales productivity by 25% in less than a year.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Back Of The Napkin Consulting LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	5 contacts →
	Exact match “Back of the Napkin provides evaluation, program design, and strategic planning services through collaborative processes that are fun and people enjoy so the solutions stick.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Sarah J Consulting	Exact match	Boston, United StatesHQ recorded Sep 14, 2026	1-10	5 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 14, 2026 · View company records in RevenueBase
16	Copley Raff INC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	4 contacts →
	Exact match “Copley Raff is a U.S.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17	Spencer Brenneman, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	4 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 · Sep 14, 2026 · View company records in RevenueBase
18	The Allen Company LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	4 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 14, 2026 · View company records in RevenueBase
19	Conan Harris & Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	3 contacts →
	Exact match “Welcome to Conan Harris & Associates!” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20	Development Strategy Consultants	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	3 contacts →
	Exact match “Development Strategy strengthens organizations to maximize the full potential of their mission.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21	Semicircle Solutions	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	3 contacts →
	Exact match “We provide accounting and finance management services to nonprofit organizations.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22	Sectorwind LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	2 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 14, 2026 · View company records in RevenueBase
23	Bettersector	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	2 contacts →
	Exact match “BetterSector LLC is a full-service consulting firm serving public sector agencies and non-profit organizations across the country.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24	Sage Advancement Group	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	2 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 14, 2026 · View company records in RevenueBase
25	Insight On Demand, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 14, 2026	1-10	2 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 · Sep 14, 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 consulting providers”. 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 87 nonprofit consulting providers based in Boston, United States

See the full list, filter by size, metro and specialty, and access 493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit consulting providers based in Boston, United States at a glance

As of Sep 14, 2026

50.9%Verified-email coverage

11.1Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 87 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 consulting providers” 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 493 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.

Nonprofit consulting providers 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 consulting providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit consulting providers are there based in Boston, United States?

RevenueBase identified 87 company matches for nonprofit consulting providers 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 nonprofit consulting providers?

New York leads the United States with 307 company records, followed by Washington (239) and Chicago (201). Boston has 87.

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 493 professional contacts with verified work emails tracked across these 87 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.

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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.