Company lists · Data refreshed September 2026
Top 25 Nonprofit compliance consulting firms worldwide
RevenueBase identified 3,458 nonprofit compliance consulting firms worldwide as of September 2026 and tracks 21,312 professional contacts across them, including 6,361 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers nonprofit compliance consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for nonprofit compliance consulting firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest nonprofit compliance consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 788 contacts → | ||||
Partial evidence “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 775 contacts → | ||||
Partial evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 535 contacts → | ||||
Indirect evidence “Consultant Corporate Governance and Project Management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 262 contacts → | ||||
Partial evidence “As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 249 contacts → | ||||
Partial evidence “An integrated and advanced consulting entity concerned with supporting the governmental, private and non-profit sectors with appropriate contractual solutions and meeting their…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 208 contacts → | ||||
Indirect evidence “We are M+R.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 170 contacts → | ||||
Partial evidence “McAllister & Quinn is a Washington, DC consulting firm that provides a comprehensive range of services to a diverse group of clients with issues before the federal government.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 136 contacts → | ||||
Partial evidence “AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 125 contacts → | ||||
Strong evidence “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 112 contacts → | ||||
Partial evidence “Our number one priority at JMT is to empower nonprofits to achieve their mission through optimized systems and processes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 104 contacts → | ||||
Partial evidence “For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 102 contacts → | ||||
Strong evidence “Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 101 contacts → | ||||
Indirect evidence “At KCI, we are a firm focused on values and people…both ours and yours.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 93 contacts → | ||||
Partial evidence “TFC Consulting, Inc is a licensed CPA and consulting firm in the Washington DC metro area.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 90 contacts → | ||||
Partial evidence “CFS Compliance is your one stop shop for all your compliance needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 87 contacts → | ||||
Indirect evidence “Top accounting firm Raffa, P.C.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 83 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 76 contacts → | ||||
Indirect evidence “Más que abogados somos consultores de negocios integrales, la eficacia y prevención de riesgos futuros caracterizan nuestro servicio.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 74 contacts → | ||||
Partial evidence “At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 72 contacts → | ||||
Strong evidence “Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 70 contacts → | ||||
Partial evidence “Capital Edge is the largest consulting firm exclusively dedicated to government contractors and grant recipients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 68 contacts → | ||||
Partial evidence “Our firm was created to meet the unique needs of nonprofit organizations and their missions and we have concentrated our accounting and auditing practice exclusively in the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 64 contacts → | ||||
Strong evidence “Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 59 contacts → | ||||
Strong evidence “Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 56 contacts → | ||||
Partial evidence “We help nonprofits amplify their impact to create more good in the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit compliance consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nonprofit compliance consulting firms.
- Partial evidence
- Its own public description names part of nonprofit compliance consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit compliance consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 3,458 nonprofit compliance consulting firms worldwide
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Nonprofit compliance consulting firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit compliance consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for nonprofit compliance consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “nonprofit compliance consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit compliance consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit compliance consulting firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 6,361 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Nonprofit compliance consulting firms by location
17 lists · largest firstEvery Nonprofit compliance consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit compliance consulting firms based in the United States1,779
- Nonprofit compliance consulting firms based in Canada124
- Nonprofit compliance consulting firms based in Brazil116
- Nonprofit compliance consulting firms based in India72
- Nonprofit compliance consulting firms based in Australia71
- Nonprofit compliance consulting firms based in the United Kingdom63
- Nonprofit compliance consulting firms based in Italy62
- Nonprofit compliance consulting firms based in Spain61
- Nonprofit compliance consulting firms based in Germany26
Cities
- Nonprofit compliance consulting firms based in New York, United States70
- Nonprofit compliance consulting firms based in Washington, United States68
- Nonprofit compliance consulting firms based in Chicago, United States51
- Nonprofit compliance consulting firms based in Atlanta, United States49
- Nonprofit compliance consulting firms based in Dallas, United States30
- Nonprofit compliance consulting firms based in Seattle, United States30
- Nonprofit compliance consulting firms based in Houston, United States28
- Nonprofit compliance consulting firms based in Los Angeles, United States26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit compliance consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many nonprofit compliance consulting firms are there worldwide?
RevenueBase identified 3,458 nonprofit compliance consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
CT Corporation, headquartered in New York, tops this list with the largest team on record.
Which country has the most nonprofit compliance consulting firms?
The United States leads with 1,779 companies, followed by Canada (124) and Brazil (116). Every nonprofit compliance consulting firms list by country and city is linked on this page.
Which city has the most nonprofit compliance consulting firms?
New York leads with 70 headquartered companies, followed by Washington (68) and Chicago (51).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,361 verified decision-maker contacts tracked across these 3,458 companies.
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 Smart Search, 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.