Company lists · Data refreshed September 2026

Top 25 Nonprofit interim management consultants based in the United States

Name: Nonprofit interim management consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 4,423 companies tracked

RevenueBase identified 4,423 company matches for nonprofit interim management consultants associated with the United States as of September 2026 and tracks 28,919 professional contacts across them, including 8,744 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit interim management consultants 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 29, 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 29, 2026 How this list was built

4,423Companies

28,919Contacts tracked

8,744Verified emails

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The 25 largest nonprofit interim management consultants based in the United States

Ranked by team size

Top 25 of 4,423 company matches for nonprofit interim management consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Bank Of The West	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
2	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 29, 2026	501-1,000	775 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Tatum By Randstad	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	501-1,000	407 contacts →
	Exact match “Tatum by Randstad provides on-demand C-suite executives and senior-level professionals to help companies manage critical initiatives in accounting, finance, technology, compliance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Nonprofit Hr, Powered By Onedigital	Exact match	Washington, DC, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	GGG Partners, LLC Previously Grisanti, Galef & Goldress	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	n/a	283 contacts →
	Exact match “Partners, LLC has transformed under-performing companies into high performance operations for more than 60 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	JCA	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Isaacson, Miller	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	201-500	250 contacts →
	Exact match “Isaacson, Miller is one of the nation's premier executive search firms serving organizations that advance the public good.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	TCC Group	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	n/a	232 contacts →
	Exact match “TCC Group collaborates with leaders to solve complex social problems.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Arabella Advisors	Exact match	Washington, DC, United StatesHQ recorded Sep 29, 2026	201-500	227 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 · Sep 29, 2026 · View company records in RevenueBase
10	Techcxo	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	201-500	215 contacts →
	Exact match “TechCXO provides companies with on demand executives.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Nonprofit Finance Fund	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	212 contacts →
	Exact match “Financing for nonprofits https://nff.org/our-work/financing/#Consulting for nonprofits https://nff.org/our-work/consulting/#Partnerships with funders and networks…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	M R	Exact match	Washington, United StatesHQ recorded Sep 29, 2026	51-200	208 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	CREW	Exact match	Philadelphia, MN, United StatesHQ recorded Sep 29, 2026	1,001-5,000	165 contacts →
	Exact match “Founded in tandem with Turnberry Solutions, Crew serves as an innovative talent development program for both Turnberry and our clients by focusing exclusively on high-performing…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	CFO Selections	Exact match	Bellevue, WA, United StatesHQ recorded Sep 29, 2026	51-200	140 contacts →
	Exact match “CFO Selections® provides finance and accounting executive search and interim consulting services to a wide range of organizations in the West.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	The Acceleration Project	Exact match	Scarsdale, NY, United StatesHQ recorded Sep 29, 2026	11-50	131 contacts →
	Exact match “The Acceleration Project (TAP) is a nonprofit organization with a mission to unlock pathways to wealth creation and economic mobility by accelerating under-resourced small…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	BWF	Exact match	Usa, United StatesHQ recorded Sep 29, 2026	51-200	125 contacts →
	Exact match “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Stage 4 Solutions	Exact match	Saratoga, CA, United StatesHQ recorded Sep 29, 2026	51-200	122 contacts →
	Exact match “Stage 4 Solutions is a consulting and interim staffing firm ranked on the Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	JMT Consulting	Exact match	Mount Juliet, TN, United StatesHQ recorded Sep 29, 2026	51-200	112 contacts →
	Exact match “Our number one priority at JMT is to empower nonprofits to achieve their mission through optimized systems and processes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Zuri Group	Exact match	Bend, OR, United StatesHQ recorded Sep 29, 2026	51-200	106 contacts →
	Exact match “Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Campbell & Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	102 contacts →
	Exact match “Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Pronexus, LLC	Exact match	Pittsford, NY, United StatesHQ recorded Sep 29, 2026	51-200	88 contacts →
	Exact match “WHO WE ARE ProNexus LLC is a finance, accounting, operations, and business advisory firm founded in 2012 by former Deloitte and PwC leaders.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Schultz & Williams	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 29, 2026	51-200	83 contacts →
	Exact match “Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Generis	Exact match	Johns Creek, GA, United StatesHQ recorded Sep 29, 2026	51-200	78 contacts →
	Exact match “Most faith-based organizations don't have a funding problem.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Empower Success Corps	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
25	Bostrom	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	72 contacts →
	Exact match “Bostrom is a professional services firm offering comprehensive management, consulting and outsourcing to the not-for-profit community.” Recorded in the RevenueBase company graph · Sep 29, 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 interim management consultants”. 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 4,423 nonprofit interim management consultants based in the United States

See the full list, filter by size, metro and specialty, and access 8,744 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit interim management consultants based in the United States at a glance

As of Sep 29, 2026

30.2%Verified-email coverage

6.5Average contacts per company

1-10Median size (employees)

4.9%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

3,882

11-50

443

51-200

201-500

501-1,000

1,001-5,000

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 4,423 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 “nonprofit interim management consultants” 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 8,744 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 29, 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 interim management consultants 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 “nonprofit interim management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit interim management consultants are there based in the United States?

RevenueBase identified 4,423 company matches for nonprofit interim management consultants 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?

Bank Of The West tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit interim management consultants?

New York leads with 215 company records, followed by Chicago (156) and Washington (154).

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 8,744 professional contacts with verified work emails tracked across these 4,423 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 29, 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.