Company lists · Data refreshed November 2026

Top 25 Nonprofit tax services worldwide

Name: Nonprofit tax services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 30,164 companies tracked

RevenueBase identified 30,164 company matches for nonprofit tax services worldwide as of November 2026 and tracks 302,187 professional contacts across them, including 85,805 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for nonprofit tax 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 November 6, 2026. Country and city lists for nonprofit tax 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 Nov 6, 2026 How this list was built

30,164Companies

302,187Contacts tracked

85,805Verified emails

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The 25 largest nonprofit tax services worldwide

Ranked by team size

Top 25 of 30,164 company matches for nonprofit tax services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	H&r Block	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	10001+	64,430 contacts →
	Exact match “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	CA Firm	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	n/a	10,802 contacts →
	Exact match “The core business of our firm is to provide comprehensive package of accounting, secretarial, taxation and business advisory services to Corporate Clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	MNP	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	5,001-10,000	9,206 contacts →
	Exact match “MNP is a leading national accounting, tax and business consulting firm in Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	RYAN	Exact match	Dallas, CT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,580 contacts →
	Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Grant Thornton Ireland	Exact match	Dublin, IrelandHQ recorded Nov 6, 2026	1,001-5,000	2,584 contacts →
	Exact match “In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Carr, Riggs & Ingram	Exact match	Enterprise, AL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,214 contacts →
	Exact match “Carr, Riggs & Ingram (CRI) is a Top 25 nationally-ranked accounting and advisory firm driven by relationships to cultivate growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	TAX Consultant	Exact match	Brighton, United KingdomHQ recorded Nov 6, 2026	n/a	2,211 contacts →
	Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Eide Bailly LLP	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,192 contacts →
	Exact match “We’re Eide Bailly (I’d bay-lee), a business advisory, accounting and technology firm built with our clients in mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	PKF O'connor Davies	Exact match	Harrison, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,814 contacts →
	Exact match “PKF O’Connor Davies is a top-tier accounting, tax and advisory practice with a long history of serving domestic and international clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,450 contacts →
	Exact match “We are Block Advisors by H&R Block.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	The Bonadio Group	Exact match	Pittsford, DE, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,153 contacts →
	Exact match “Founded in 1978 and led by active and engaged problem solvers, The Bonadio Group (TBG) brings a unique passion and approach to our work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Berrydunn Assurance, TAX And Consulting	Exact match	Portland, NH, United StatesHQ recorded Nov 6, 2026	501-1,000	1,081 contacts →
	Exact match “BerryDunn is the brand name under which Berry, Dunn, McNeil & Parker, LLC and BDMP Assurance, LLP, independently owned entities, provide services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Doeren Mayhew	Exact match	Troy, AL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	962 contacts →
	Exact match “Doeren Mayhew is a nationally recognized CPA and advisory firm serving mid-sized, privately held businesses and nonprofit organizations alike since 1932.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	HCVT	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	945 contacts →
	Exact match “HCVT is Southern California’s leading public accounting firm, the largest headquartered in Los Angeles, and the third-largest in the Western U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	WTS Deutschland	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	905 contacts →
	Exact match “WTS ist ein globaler Full-Service Anbieter für Steuerberatungsleistungen und Financial & Deal Advisory.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	837 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Mauldin & Jenkins	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	762 contacts →
	Exact match “Mauldin & Jenkins, LLC believes that by working together with our clients, we can accomplish anything!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Blick Rothenberg	Exact match	Covent Garden, United KingdomHQ recorded Nov 6, 2026	501-1,000	742 contacts →
	Exact match “Blick Rothenberg is a leading tax, accounting and business advisory firm founded on personal integrity and technical expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Chevez	Exact match	Mexico City, MexicoHQ recorded Nov 6, 2026	501-1,000	740 contacts →
	Exact match “Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	KUMAR	Exact match	n/a	1,001-5,000	638 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Anchin	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	612 contacts →
	Exact match “Effective July 1, 2026, Anchin combined with Baker Tilly, a leading advisory, tax, and assurance firm with a national and global presence across major U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Sensiba LLP	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	520 contacts →
	Exact match “Sensiba’s comprehensive accounting, tax, and consulting services help businesses and people solve problems, navigate complexity, and build a foundation for sustainable growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Brown Edwards	Exact match	Roanoke, VA, United StatesHQ recorded Nov 6, 2026	201-500	517 contacts →
	Exact match “Providing Professional Business Advisory and Consulting Services including tax, accounting and IT services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Singerlewak LLP	Exact match	Los Angeles, CO, United StatesHQ recorded Nov 6, 2026	201-500	508 contacts →
	Exact match “SingerLewak has a 60-year history of serving clients as one of the leading West Coast based public accounting firms; SingerLewak understands the needs of business owners and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Smith Howard	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	505 contacts →
	Exact match “Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded in the RevenueBase company graph · Nov 6, 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 tax 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 30,164 nonprofit tax services worldwide

See the full list, filter by size, metro and specialty, and access 85,805 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit tax services worldwide at a glance

As of Nov 6, 2026

28.4%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

20,239

11-50

7,794

51-200

1,154

201-500

154

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 nonprofit tax services are linked below.
What qualifies: Company records worldwide whose business descriptions match “nonprofit tax 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 85,805 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 November 6, 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 tax services by location

142 lists · largest first

Every Nonprofit tax 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 “nonprofit tax services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit tax services are there worldwide?

RevenueBase identified 30,164 company matches for nonprofit tax services worldwide as of November 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?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit tax services?

The United States leads with 11,567 companies, followed by Germany (2,949) and Brazil (1,487). Every nonprofit tax services list by country and city is linked on this page.

Which city has the most nonprofit tax services?

New York leads with 287 company records, followed by Sao Paulo (277) and London (246).

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 85,805 professional contacts with verified work emails tracked across these 30,164 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 November 6, 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.