Company lists · Data refreshed September 2026
Top 25 Nonprofit audit firms worldwide
RevenueBase identified 4,042 nonprofit audit firms worldwide as of September 2026 and tracks 38,976 professional contacts across them, including 12,187 with verified work emails. The United States is the largest market and Paris the largest hub.
This list covers nonprofit audit 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 20, 2026. Country and city lists for nonprofit audit 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 audit firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 775 contacts → | ||||
Partial evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 467 contacts → | ||||
Indirect evidence “Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 410 contacts → | ||||
Indirect evidence “AAFCPAs is a premier independently owned CPA and advisory firm with a global presence.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 374 contacts → | ||||
Indirect evidence “Exponens is an independent group providing public accounting expertise, consultancy and auditing, with more than 300 employees, based in 9 offices in the Ile-de-France region.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 282 contacts → | ||||
Indirect evidence “Listen, then advise.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 254 contacts → | ||||
Indirect evidence “Calibre CPA Group is a national accounting and advisory firm serving associations, not-for-profit organizations, labor unions, employee benefit plans, and business enterprises.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 243 contacts → | ||||
Partial evidence “Headquartered in the Washington, DC metropolitan region, GRF CPAs & Advisors (GRF) is a full-service professional services firm providing clients with audit and assurance, tax…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 243 contacts → | ||||
Partial evidence “Our name means “The Spirit of Serving Others.” It’s who we are and why we believe there’s no higher value than partnering with nonprofits to make the world a better place.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 223 contacts → | ||||
Indirect evidence “Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 197 contacts → | ||||
Indirect evidence “As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 197 contacts → | ||||
Indirect evidence “GÜRELİ YEMİNLİ MALİ MÜŞAVİRLİK VE BAĞIMSIZ DENETİM HİZMETLERİ A.Ş.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 193 contacts → | ||||
Partial evidence “Hawkins Ash CPAs, an Inside Public Accounting Top 200 firm, provides certified public accounting services to privately held businesses, governmental organizations, nonprofit…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 184 contacts → | ||||
Indirect evidence “Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 174 contacts → | ||||
Indirect evidence “Legacy Professionals LLP, headquartered in Westchester, IL, with offices in Schererville, IN, and Edina, MN, is a Certified Public Accounting firm serving clients nationwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 163 contacts → | ||||
Indirect evidence “Thomas Howell Ferguson P.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 151 contacts → | ||||
Indirect evidence “Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 148 contacts → | ||||
Indirect evidence “RRBB," an independent member of the Crete Professionals Alliance, is the brand name under which Rosenberg Rich Baker Berman, P.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 147 contacts → | ||||
Indirect evidence “Since 1975, Larson & Company has served the insurance industry with personalized services tailored to a highly regulated industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 135 contacts → | ||||
Partial evidence “Maher Duessel is a leading regional CPA firm that was founded to provide high-caliber audit, tax, and consulting services to clients in the governmental and non-profit sectors.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 128 contacts → | ||||
Indirect evidence “HJ & Associates, LLC is a Salt Lake City, Utah based public accounting firm offering assurance, tax and consulting services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 125 contacts → | ||||
Indirect evidence “Founded in 1974 in Madison, WI, SVA started out as a small independent accounting firm with just a few professionals on staff.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 122 contacts → | ||||
Partial evidence “Le GROUPE AURYS est un cabinet d’audit, d’expertise-comptable et de conseil financier qui s’appuie sur plus de 70 ans d’expérience, 18 associés, près de 200 collaborateurs et 8…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 117 contacts → | ||||
Partial evidence “Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 115 contacts → | ||||
Indirect evidence “RS Associates is a local firm of Certified Public Accountants offering auditing, management consulting, taxation and special services to its clients which consists primarily of…” Source: RevenueBase Database · checked Sep 20, 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 audit 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 audit firms.
- Partial evidence
- Its own public description names part of nonprofit audit firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit audit 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 4,042 nonprofit audit firms worldwide
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Nonprofit audit firms worldwide at a glance
As of Sep 20, 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 audit 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 audit firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “nonprofit audit 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 audit 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 audit 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, 12,187 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 20, 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 audit firms by location
19 lists · largest firstEvery Nonprofit audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit audit firms based in the United States871
- Nonprofit audit firms based in France289
- Nonprofit audit firms based in Brazil240
- Nonprofit audit firms based in Türkiye146
- Nonprofit audit firms based in Spain128
- Nonprofit audit firms based in Italy121
- Nonprofit audit firms based in India107
- Nonprofit audit firms based in the United Arab Emirates80
- Nonprofit audit firms based in Germany69
- Nonprofit audit firms based in Sweden69
- Nonprofit audit firms based in South Africa66
- Nonprofit audit firms based in Canada58
- Nonprofit audit firms based in Australia55
- Nonprofit audit firms based in the Netherlands47
- Nonprofit audit firms based in Portugal43
- Nonprofit audit firms based in the United Kingdom42
- Nonprofit audit firms based in Denmark39
- Nonprofit audit firms based in Norway33
- Nonprofit audit firms based in Switzerland30
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 audit 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 audit firms are there worldwide?
RevenueBase identified 4,042 nonprofit audit 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?
Your Part-Time Controller, LLC, headquartered in Philadelphia, tops this list with the largest team on record.
Which country has the most nonprofit audit firms?
The United States leads with 871 companies, followed by France (289) and Brazil (240). Every nonprofit audit firms list by country and city is linked on this page.
Which city has the most nonprofit audit firms?
Paris leads with 67 headquartered companies, followed by Sao Paulo (54) and Dubai (40).
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 12,187 verified decision-maker contacts tracked across these 4,042 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 20, 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.