Company lists · Data refreshed September 2026

Top 25 Nonprofit tax compliance firms worldwide

RevenueBase identified 14,700 company matches for nonprofit tax compliance firms worldwide as of September 2026 and tracks 125,961 professional contacts across them, including 35,954 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for nonprofit tax compliance firms 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 September 20, 2026. Country and city lists for nonprofit tax compliance firms 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 Sep 20, 2026 How this list was built
14,700Companies
125,961Contacts tracked
35,954Verified emails
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The 25 largest nonprofit tax compliance firms worldwide

Ranked by team size
Top 25 of 14,700 company matches for nonprofit tax compliance firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBrighton, United KingdomHQ recorded Sep 20, 2026n/a2,042 contacts →

Exact match

“A traditional general practice, with a twist.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchStockholm, SwedenHQ recorded Sep 20, 20261,001-5,0001,724 contacts →

Exact match

“Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchStuttgart, GermanyHQ recorded Sep 20, 20261,001-5,0001,442 contacts →

Exact match

“Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 20, 2026501-1,000702 contacts →

Exact match

“We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchBordeaux, FranceHQ recorded Sep 20, 20261,001-5,000674 contacts →

Exact match

“Diriger une entreprise aujourd’hui, c’est faire face à des décisions de plus en plus complexes.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 2026501-1,000619 contacts →

Exact match

“Novogradac is among the nation’s top 40 certified public accounting and consulting firms with more than 25 offices nationwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchWien, AustriaHQ recorded Sep 20, 20261,001-5,000599 contacts →

Exact match

“Holen Sie sich eine Datenschutzzertifizierung für Ihr Unternehmen.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchTel Aviv, IsraelHQ recorded Sep 20, 20261,001-5,000574 contacts →

Exact match

“BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchRoanoke, VA, United StatesHQ recorded Sep 20, 2026201-500496 contacts →

Exact match

“Providing Professional Business Advisory and Consulting Services including tax, accounting and IT services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSan Jose, CA, United StatesHQ recorded Sep 20, 2026501-1,000493 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 · Sep 20, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Sep 20, 2026201-500467 contacts →

Exact match

“Prager Metis CPAs is an independent, full service, public accounting and consulting firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 2026201-500449 contacts →

Exact match

“At GHJ, we go beyond numbers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 2026501-1,000413 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 · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWestborough, MA, United StatesHQ recorded Sep 20, 2026201-500410 contacts →

Exact match

“AAFCPAs is a premier independently owned CPA and advisory firm with a global presence.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchPalo Alto, CA, United StatesHQ recorded Sep 20, 2026201-500399 contacts →

Exact match

“Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchMiami, FL, United StatesHQ recorded Sep 20, 2026201-500361 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchGurgaon, IndiaHQ recorded Sep 20, 2026201-500331 contacts →

Exact match

“Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBerlin, GermanyHQ recorded Sep 20, 20261,001-5,000319 contacts →

Exact match

“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchOrem, UT, United StatesHQ recorded Sep 20, 2026201-500297 contacts →

Exact match

“Squire is a nationally recognized audit, tax, and business advisory firm serving clients across the U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchSaint Paul, MN, United StatesHQ recorded Sep 20, 2026201-500292 contacts →

Exact match

“Redpath and Company helps clients make more informed decisions that contribute to their financial well-being by providing proactive, innovative, and value-driven CPA and advisory…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchIndianapolis, IN, United StatesHQ recorded Sep 20, 202651-200262 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 · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBethesda, MD, United StatesHQ recorded Sep 20, 2026201-500254 contacts →

Exact match

“Calibre CPA Group is a national accounting and advisory firm serving associations, not-for-profit organizations, labor unions, employee benefit plans, and business enterprises.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBethesda, MD, United StatesHQ recorded Sep 20, 202651-200243 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBordeaux, FranceHQ recorded Sep 20, 2026201-500237 contacts →

Exact match

“Fondé en 1944, Extencia est un cabinet d'expertise comptable indépendant qui a su évoluer avec son temps tout en conservant ses valeurs fondamentales.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 14,700 nonprofit tax compliance firms worldwide

See the full list, filter by size, metro and specialty, and access 35,954 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit tax compliance firms worldwide at a glance

As of Sep 20, 2026
28.5%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
8,844
11-50
4,740
51-200
827
201-500
132
501-1,000
23
1,001-5,000
18
5,001-10,000
3
10001+
3

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 compliance firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit tax compliance firms” 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 35,954 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 September 20, 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 compliance firms by location

62 lists · largest first

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

How many nonprofit tax compliance firms are there worldwide?

RevenueBase identified 14,700 company matches for nonprofit tax compliance firms worldwide as of September 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?

TAX Consultant tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit tax compliance firms?

The United States leads with 2,568 companies, followed by Brazil (1,626) and Germany (1,267). Every nonprofit tax compliance firms list by country and city is linked on this page.

Which city has the most nonprofit tax compliance firms?

Sao Paulo leads with 325 company records, followed by Dubai (136) and Rio De Janeiro (86).

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 35,954 professional contacts with verified work emails tracked across these 14,700 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 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 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.