Company lists · Data refreshed September 2026

Top 25 Management consulting firms for nonprofits based in the United States

Name: Management consulting firms for nonprofits based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 13,319 companies tracked

RevenueBase identified 13,319 company matches for management consulting firms for nonprofits associated with the United States as of September 2026 and tracks 108,920 professional contacts across them, including 39,852 with verified work emails. New York is the largest hub.

This list covers company matches for management consulting firms for nonprofits associated with the 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 28, 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 28, 2026 How this list was built

13,319Companies

108,920Contacts tracked

39,852Verified emails

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The 25 largest management consulting firms for nonprofits based in the United States

Ranked by team size

Top 25 of 13,319 company matches for management consulting firms for nonprofits based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,978 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Strategy	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,082 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Bank Of The West	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	n/a	4,751 contacts →
	Exact match “We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Ardurra	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,260 contacts →
	Exact match “Expertly balancing experience and innovation to deliver unique solutions to public and private clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Rubinbrown LLP	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	501-1,000	1,056 contacts →
	Exact match “RubinBrown provides unmatched service to closely held and publicly traded companies in specialized market sectors as well as non-profit and public sector organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	775 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Lucas Group	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	10001+	756 contacts →
	Exact match “Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	CCS Fundraising	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	728 contacts →
	Exact match “For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	SEI	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 28, 2026	501-1,000	618 contacts →
	Exact match “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	557 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	DLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	201-500	546 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	FSG	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	51-200	517 contacts →
	Exact match “At FSG, we are a global nonprofit consulting firm committed to advancing equitable systems change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	GHJ	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	201-500	449 contacts →
	Exact match “At GHJ, we go beyond numbers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	The Bridgespan Group	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
19	Attain Partners	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	201-500	399 contacts →
	Exact match “Based in McLean, Va, Attain Partners is a leading management and technology consulting firm delivering services and solutions to advance client missions across the education…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Kaiser Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	397 contacts →
	Exact match “Kaiser Associates was founded in 1981 with a simple yet powerful mission: to help executives make more informed strategic and operational decisions by incorporating external…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Clark Nuber PS	Exact match	Bellevue, WA, United StatesHQ recorded Sep 28, 2026	201-500	347 contacts →
	Exact match “Clark Nuber is an award-winning Certified Public Accounting firm located in the Seattle Metro Area.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Eagle Hill Consulting	Exact match	Arlington, VA, United StatesHQ recorded Sep 28, 2026	201-500	337 contacts →
	Exact match “Unconventional, woman-owned, and award-winning-at Eagle Hill, we break away from the expected and apply the best tools and methodologies of larger consultancies in the nimble…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	SVA A Professional Services Company	Exact match	Madison, WI, United StatesHQ recorded Sep 28, 2026	201-500	323 contacts →
	Exact match “Listed below are the two entities that make up SVA, a highly diversified, independent professional services firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Nonprofit Hr, Powered By Onedigital	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	10001+	300 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 · Sep 28, 2026 · View company records in RevenueBase
25	JCA	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	n/a	265 contacts →
	Exact match “JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.” Recorded in the RevenueBase company graph · Sep 28, 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 “management consulting firms for nonprofits”. 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 13,319 management consulting firms for nonprofits based in the United States

See the full list, filter by size, metro and specialty, and access 39,852 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Management consulting firms for nonprofits based in the United States at a glance

As of Sep 28, 2026

36.6%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

4.6%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11,278

11-50

1,637

51-200

312

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 13,319 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 the United States whose business descriptions match “management consulting firms for nonprofits” 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 39,852 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 28, 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.

Management consulting firms for nonprofits by metro

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

How many management consulting firms for nonprofits are there based in the United States?

RevenueBase identified 13,319 company matches for management consulting firms for nonprofits associated with the 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?

Protiviti tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most management consulting firms for nonprofits?

New York leads with 608 company records, followed by Washington (440) and Chicago (356).

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 39,852 professional contacts with verified work emails tracked across these 13,319 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 28, 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.