Company lists · Data refreshed October 2026

Top 25 501c3 accounting services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 13,214 companies tracked

RevenueBase identified 13,214 company matches for 501c3 accounting services worldwide as of October 2026 and tracks 59,028 professional contacts across them, including 14,032 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for 501c3 accounting services worldwide, 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 October 22, 2026. Country and city lists for 501c3 accounting services follow the table.

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 Oct 22, 2026 How this list was built

13,214Companies

59,028Contacts tracked

14,032Verified emails

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The 25 largest 501c3 accounting services worldwide

Ranked by team size

Top 25 of 13,214 company matches for 501c3 accounting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 22, 2026	501-1,000	809 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	Share Microfin LTD	Exact match	Hyderabad, IndiaHQ recorded Oct 22, 2026	1,001-5,000	469 contacts →
	Exact match “Share Microfin Ltd is an Accounting company located in 1-224/58, Rajeev Nagar, Nacharam, Hyderabad, Andhra Pradesh, India.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Oct 22, 2026	201-500	356 contacts →
	Exact match “Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Jitasa	Exact match	United StatesHQ recorded Oct 22, 2026	201-500	278 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Capincrouse	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 22, 2026	51-200	266 contacts →
	Exact match “As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	SK Enterprises	Exact match	Artesia, CA, United StatesHQ recorded Oct 22, 2026	n/a	243 contacts →
	Exact match “We are a full-service Accounting firm.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Ncheng LLP	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	51-200	206 contacts →
	Exact match “As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Lumsden Mccormick CPA	Exact match	Buffalo, NY, United StatesHQ recorded Oct 22, 2026	51-200	157 contacts →
	Exact match “Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	Accounting Solutions	Exact match	Houston, PA, United StatesHQ recorded Oct 22, 2026	n/a	149 contacts →
	Exact match “Accounting Solutions provides a wide range of services to individuals and businesses in a variety of industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Contassesc Contabilidade	Exact match	Joaçaba, BrazilHQ recorded Oct 22, 2026	201-500	133 contacts →
	Exact match “A Contassesc se destaca por fornecer serviços contábeis especializados, incluindo assessoria, consultoria e planejamento tributário.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	JCM Advogados Associados	Exact match	Belo Horizonte, BrazilHQ recorded Oct 22, 2026	51-200	118 contacts →
	Exact match “Prestação de serviços jurídicos, contábeis, atuariais.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Fovera Prostasia S.A	Exact match	Athens, GreeceHQ recorded Oct 22, 2026	51-200	117 contacts →
	Exact match “Accounting - Taxation - Business Consulting OUR COMPANY Following many years of activity, Fovera Prostasia S.A.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Atms & CO LLP	Exact match	Thane, IndiaHQ recorded Oct 22, 2026	51-200	117 contacts →
	Exact match “Chartered Accountants” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Belfint, Lyons & Shuman, P.A	Exact match	Wilmington, DE, United StatesHQ recorded Oct 22, 2026	51-200	113 contacts →
	Exact match “Belfint, Lyons & Shuman (BLS) is an accounting firm dedicated to serving businesses, nonprofits, estates, and trusts in Delaware, Pennsylvania and beyond.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	SJD Accountancy	Exact match	Hemel Hempstead, United KingdomHQ recorded Oct 22, 2026	501-1,000	108 contacts →
	Exact match “SJD is now Caroola Accountancy!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Snyder Cohn	Exact match	North Bethesda, MD, United StatesHQ recorded Oct 22, 2026	51-200	107 contacts →
	Exact match “Snyder Cohn is a mid-sized CPA and business advisory firm, founded in 1927 and specializing in serving business owners and executives of businesses and nonprofit organizations in…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	George Dimov, CPA	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	11-50	102 contacts →
	Exact match “About us- United States Certified Public Accountant with IRS e-file - Registered IRS Tax Preparer with valid PTIN for all 50 states - 10+ years experience in accounting - 5 star…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	HCL Accountancy Limited	Exact match	United KingdomHQ recorded Oct 22, 2026	n/a	101 contacts →
	Exact match “Let us help you reduce the time you spend accounting and bookkeeping for your organisation giving you more time to run your business and enjoy life.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	B.T. Bryan Accounting, INC	Exact match	Palatine, United StatesHQ recorded Oct 22, 2026	n/a	101 contacts →
	Exact match “We specialize in accounting services for small and family-owned businesses-serving as the perfect extension of your company’s financial team.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	Mahoney Cpas And Advisors	Exact match	St. Paul, MN, United StatesHQ recorded Oct 22, 2026	51-200	98 contacts →
	Exact match “Mahoney is a full-service CPA firm based in St.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Matthews, Carter & Boyce, P.C	Exact match	Fairfax, VA, United StatesHQ recorded Oct 22, 2026	51-200	93 contacts →
	Exact match “MCB is a full-service accounting firm celebrating nearly 80 very independent years of business in the Washington, DC metro area.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	Raffa, PC	Exact match	Washington, DC, United StatesHQ recorded Oct 22, 2026	1,001-5,000	93 contacts →
	Exact match “Top accounting firm Raffa, P.C.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	Rivero, Gordimer & Company, P.A	Exact match	Tampa, FL, United StatesHQ recorded Oct 22, 2026	51-200	92 contacts →
	Exact match “Rivero, Gordimer & Company is a full-service accounting and advisory firm based in Tampa Bay.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Elixir Business Solution Private Limited	Exact match	Chennai, IndiaHQ recorded Oct 22, 2026	201-500	91 contacts →
	Exact match “Elixir Business Solution Private Limited is a company based on accounting consultancy service providers for all types of startups and existing business.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	AFC Accounting Services	Exact match	Sabana, Costa RicaHQ recorded Oct 22, 2026	51-200	89 contacts →
	Exact match “AFC ACCOUNTING SERVICES is an accounting company.” Recorded in the RevenueBase company graph · Oct 22, 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 “501c3 accounting services”. 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 13,214 501c3 accounting services worldwide

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501c3 accounting services worldwide at a glance

As of Oct 22, 2026

23.8%Verified-email coverage

4.5Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · New York

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

10,583

11-50

2,218

51-200

259

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

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.
Coverage: Every country. Country and city lists for 501c3 accounting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “501c3 accounting services” 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. 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 14,032 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 October 22, 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.

501c3 accounting services by location

51 lists · largest first

Every 501c3 accounting services 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 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 “501c3 accounting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many 501c3 accounting services are there worldwide?

RevenueBase identified 13,214 company matches for 501c3 accounting services worldwide as of October 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?

Your Part-Time Controller, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most 501c3 accounting services?

The United States leads with 6,152 companies, followed by Brazil (837) and Canada (657). Every 501c3 accounting services list by country and city is linked on this page.

Which city has the most 501c3 accounting services?

New York leads with 145 company records, followed by London (114) and Houston (105).

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 14,032 professional contacts with verified work emails tracked across these 13,214 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 October 22, 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.