Company lists · Data refreshed September 2026

Top 25 501c3 accounting firms worldwide

Name: 501c3 accounting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 13,753 companies tracked

RevenueBase identified 13,753 501c3 accounting firms worldwide as of September 2026 and tracks 91,320 professional contacts across them, including 31,153 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers 501c3 accounting 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 27, 2026. Country and city lists for 501c3 accounting 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review

13,753Companies

91,320Contacts tracked

31,153Verified emails

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The 25 largest 501c3 accounting firms worldwide

Ranked by team size

Top 25 of 13,753 501c3 accounting firms worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to 501c3 accounting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Manubhai & Shah LLP	Indirect evidence	Ahmedabad, IndiaHQ checked Sep 27, 2026	1,001-5,000	1,113 contacts →
	Indirect evidence “Manubhai & Shah LLP is a firm of Chartered Accountants based in Ahmedabad, Gujarat.” Source: RevenueBase Database · checked Sep 27, 2026
2	Extencia Cabinet D'expertise Comptable	Indirect evidence	Bordeaux, FranceHQ checked Sep 27, 2026	201-500	237 contacts →
	Indirect evidence “Fondé en 1944, Extencia est un cabinet d'expertise comptable indépendant qui a su évoluer avec son temps tout en conservant ses valeurs fondamentales.” Source: RevenueBase Database · checked Sep 27, 2026
3	Hawkins ASH Cpas	Partial evidence	La Crosse, WI, United StatesHQ checked Sep 27, 2026	51-200	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 27, 2026
4	PKF Durban	Partial evidence	Umhlanga, South AfricaHQ checked Sep 27, 2026	201-500	184 contacts →
	Partial 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 27, 2026
5	Novances SAS	Indirect evidence	Saint-didier-au-mont-d’or, FranceHQ checked Sep 27, 2026	201-500	171 contacts →
	Indirect evidence “Expert-comptable, Commissaire aux Comptes et Conseil depuis plus de 30 ans, Novances développe ses missions dans le respect de principes fondés sur le professionnalisme…” Source: RevenueBase Database · checked Sep 27, 2026
6	Ketel Thorstenson, LLP	Partial evidence	Rapid City, SD, United StatesHQ checked Sep 27, 2026	51-200	141 contacts →
	Partial evidence “Ketel Thorstenson, LLP, is a full-service accounting firm rich in history, serving clients since 1936.” Source: RevenueBase Database · checked Sep 27, 2026
7	Contassesc Contabilidade	Indirect evidence	Joaçaba, BrazilHQ checked Sep 27, 2026	201-500	119 contacts →
	Indirect evidence “A Contassesc se destaca por fornecer serviços contábeis especializados, incluindo assessoria, consultoria e planejamento tributário.” Source: RevenueBase Database · checked Sep 27, 2026
8	E&c Expertise Comptable	Indirect evidence	Brest, FranceHQ checked Sep 27, 2026	51-200	116 contacts →
	Indirect evidence “Société indépendante d'expertise comptable et de services collaboratifs au coeur de l'innovation et de la relation humaine composée de 11 agences réparties sur les communes…” Source: RevenueBase Database · checked Sep 27, 2026
9	JCM Advogados Associados	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 27, 2026	51-200	116 contacts →
	Indirect evidence “Prestação de serviços jurídicos, contábeis, atuariais.” Source: RevenueBase Database · checked Sep 27, 2026
10	D'arcangelo & Co., LLP	Partial evidence	Utica, NY, United StatesHQ checked Sep 27, 2026	51-200	103 contacts →
	Partial evidence “Bringing our clients over 70 years of dedicated experience and service, D'Arcangelo & Co, LLP offers our clients a distinct difference through unsurpassed accounting, auditing…” Source: RevenueBase Database · checked Sep 27, 2026
11	Exco Socodec Cabinet D Expertise Comptable, Audit, ET Conseil	Indirect evidence	Dijon, FranceHQ checked Sep 27, 2026	51-200	100 contacts →
	Indirect evidence “Exco Socodec est un cabinet d’expertise comptable, de commissariat aux comptes et de conseil aux entreprises, membre du réseau national professionnel Exco.” Source: RevenueBase Database · checked Sep 27, 2026
12	Xact Accounting	Partial evidence	Indooroopilly, AustraliaHQ checked Sep 27, 2026	11-50	99 contacts →
	Partial evidence “Xact Accounting is a full-service accounting firm dedicated to helping small business and SME owners grow their profit not just revenue.” Source: RevenueBase Database · checked Sep 27, 2026
13	Matthews, Carter & Boyce, P.C	Partial evidence	Fairfax, VA, United StatesHQ checked Sep 27, 2026	51-200	95 contacts →
	Partial evidence “MCB is a full-service accounting firm celebrating nearly 80 very independent years of business in the Washington, DC metro area.” Source: RevenueBase Database · checked Sep 27, 2026
14	Baat Accountants & Adviseurs	Indirect evidence	Roermond, NetherlandsHQ checked Sep 27, 2026	51-200	94 contacts →
	Indirect evidence “Vanuit vestigingen in Maastricht, Roermond, Sittard, Venlo en Maasmechelen (B) werkt Baat dagelijks aan zijn missie: solving issues.” Source: RevenueBase Database · checked Sep 27, 2026
15	TFC Consulting, INC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 27, 2026	51-200	93 contacts →
	Indirect evidence “TFC Consulting, Inc is a licensed CPA and consulting firm in the Washington DC metro area.” Source: RevenueBase Database · checked Sep 27, 2026
16	Dallaire Forest Kirouac, Comptables Professionnels Agréés S.E.N.C.R.L	Indirect evidence	Québec, QC, CanadaHQ checked Sep 27, 2026	51-200	92 contacts →
	Indirect evidence “Dallaire Forest Kirouac (DFK) est un cabinet d’expert(e)s‑comptables offrant des services de certification, comptabilité, fiscalité, juricomptabilité, d’évaluation d’entreprise et…” Source: RevenueBase Database · checked Sep 27, 2026
17	Acuity Accounting	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	51-200	89 contacts →
	Partial evidence “Acuity is the modern-day accounting organization built specifically for startups and small businesses.” Source: RevenueBase Database · checked Sep 27, 2026
18	Veama Groupe	Indirect evidence	Villeurbanne, FranceHQ checked Sep 27, 2026	51-200	89 contacts →
	Indirect evidence “VEAMA GROUPE est un cabinet d'expertise comptable implanté à Villeurbanne” Source: RevenueBase Database · checked Sep 27, 2026
19	Famme & Co. Chartered Professional Accountants	Indirect evidence	Stratford, ON, CanadaHQ checked Sep 27, 2026	51-200	87 contacts →
	Indirect evidence “Since 1947, Famme & Co.” Source: RevenueBase Database · checked Sep 27, 2026
20	Stewartbrown	Indirect evidence	Chatswood, AustraliaHQ checked Sep 27, 2026	51-200	80 contacts →
	Indirect evidence “StewartBrown is a chartered accountancy firm established in 1939, with our main office located in Chatswood NSW.” Source: RevenueBase Database · checked Sep 27, 2026
21	Holsinger	Partial evidence	Wexford, PA, IrelandHQ checked Sep 27, 2026	51-200	80 contacts →
	Partial evidence “Holsinger is more than just a Certified Public Accounting firm with audit, bookkeeping, tax, and accounting services: we are business people helping business people.” Source: RevenueBase Database · checked Sep 27, 2026
22	WLF Accounting & Advisory	Indirect evidence	Hobart, AustraliaHQ checked Sep 27, 2026	51-200	77 contacts →
	Indirect evidence “We understand success is different for everyone.” Source: RevenueBase Database · checked Sep 27, 2026
23	SFW Partners, LLC	Partial evidence	St. Louis, MO, United StatesHQ checked Sep 27, 2026	51-200	76 contacts →
	Partial evidence “The Mission of SFW Partners, LLC is to be a highly respected, ethically guided certified public accounting firm serving as a trusted business advisor to our clients while…” Source: RevenueBase Database · checked Sep 27, 2026
24	Mejía Lora & Asociados - MLA	Indirect evidence	Santo Domingo, Dominican RepublicHQ checked Sep 27, 2026	51-200	75 contacts →
	Indirect evidence “MEJIA LORA & ASOCIADOS (MLA), is a leading firm of public accountants and Managerial Counselors, established in Santo Domingo, Dominican Republic, since 1983, thanks to the vision…” Source: RevenueBase Database · checked Sep 27, 2026
25	SST Accountants & Consultants	Partial evidence	Dallas, TX, United StatesHQ checked Sep 27, 2026	11-50	74 contacts →
	Partial evidence “SST Accountants & Consultants provides tax, audit, accounting, and business advisory services to privately-held businesses and individuals.” Source: RevenueBase Database · checked Sep 27, 2026

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: 501c3 accounting 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 501c3 accounting firms.
Partial evidence: Its own public description names part of 501c3 accounting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name 501c3 accounting 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 13,753 501c3 accounting firms worldwide

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501c3 accounting firms worldwide at a glance

As of Sep 27, 2026

34.1%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

9,450

11-50

3,571

51-200

536

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 501c3 accounting 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 501c3 accounting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “501c3 accounting 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 501c3 accounting 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 501c3 accounting 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, 31,153 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 27, 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.

501c3 accounting firms by location

60 lists · largest first

Every 501c3 accounting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 501c3 accounting 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 501c3 accounting firms are there worldwide?

RevenueBase identified 13,753 501c3 accounting 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?

Manubhai & Shah LLP, headquartered in Ahmedabad, tops this list with the largest team on record.

Which country has the most 501c3 accounting firms?

The United States leads with 6,560 companies, followed by Brazil (973) and India (541). Every 501c3 accounting firms list by country and city is linked on this page.

Which city has the most 501c3 accounting firms?

New York leads with 156 headquartered companies, followed by Sao Paulo (135) and Houston (102).

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 31,153 verified decision-maker contacts tracked across these 13,753 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 27, 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.