Company lists · Data refreshed September 2026

Top 25 Nonprofit accounting and tax prep services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 26,906 companies tracked

RevenueBase identified 26,906 company matches for nonprofit accounting and tax prep services worldwide as of September 2026 and tracks 176,368 professional contacts across them, including 35,848 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for nonprofit accounting and tax prep 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 September 21, 2026. Country and city lists for nonprofit accounting and tax prep 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 Sep 21, 2026 How this list was built

26,906Companies

176,368Contacts tracked

35,848Verified emails

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The 25 largest nonprofit accounting and tax prep services worldwide

Ranked by team size

Top 25 of 26,906 company matches for nonprofit accounting and tax prep services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 Sep 21, 2026	10001+	59,451 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 · Sep 21, 2026 · View company records in RevenueBase
2	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,379 contacts →
	Exact match “We are Block Advisors by H&R Block.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	775 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	H&r Block Australia	Exact match	Thornleigh, AustraliaHQ recorded Sep 21, 2026	501-1,000	412 contacts →
	Exact match “As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	VLH	Exact match	Neustadt An Der Weinstrasse, GermanyHQ recorded Sep 21, 2026	1,001-5,000	373 contacts →
	Exact match “Deutschlands Nr.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	364 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Sep 21, 2026	201-500	347 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 · Sep 21, 2026 · View company records in RevenueBase
8	pilot.com	Exact match	San Francisco, TN, United StatesHQ recorded Sep 21, 2026	201-500	338 contacts →
	Exact match “Pilot provides the most reliable accounting, CFO, and tax services for startups and small businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	269 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Capincrouse	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 21, 2026	51-200	262 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 21, 2026 · View company records in RevenueBase
11	FBC Farm And Small Business TAX Consultants	Exact match	Calgary, AB, CanadaHQ recorded Sep 21, 2026	201-500	260 contacts →
	Exact match “For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Calibre CPA Group, Pllc	Exact match	Bethesda, MD, United StatesHQ recorded Sep 21, 2026	201-500	254 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 21, 2026 · View company records in RevenueBase
13	Jitasa	Exact match	United StatesHQ recorded Sep 21, 2026	201-500	243 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 · Sep 21, 2026 · View company records in RevenueBase
14	Accounting & TAX Services	Exact match	United StatesHQ recorded Sep 21, 2026	n/a	203 contacts →
	Exact match “Since 1982, ATS has been a leader in providing quality tax, accounting and financial services to small businesses and individuals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Ncheng LLP	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	51-200	197 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 · Sep 21, 2026 · View company records in RevenueBase
16	JCA Contadores	Exact match	Niterói, BrazilHQ recorded Sep 21, 2026	51-200	193 contacts →
	Exact match “Excelência em consultoria.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Contec Contabilidade	Exact match	Sumaré, BrazilHQ recorded Sep 21, 2026	n/a	185 contacts →
	Exact match “Desde 1971 a Contec é responsavel pela assessoria contabil e tributaria de diversas empresas da região metropolitana de Campinas e demais cidades vizinhas, construindo ao longo do…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Legacy Professionals LLP	Exact match	Westchester, IL, United StatesHQ recorded Sep 21, 2026	51-200	174 contacts →
	Exact match “Legacy Professionals LLP, headquartered in Westchester, IL, with offices in Schererville, IN, and Edina, MN, is a Certified Public Accounting firm serving clients nationwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Lumsden Mccormick CPA	Exact match	Buffalo, NY, United StatesHQ recorded Sep 21, 2026	51-200	151 contacts →
	Exact match “Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Accounting Solutions	Exact match	Houston, PA, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
21	Maher Duessel	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 21, 2026	51-200	135 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Dark Horse Cpas	Exact match	Cardiff, CA, United KingdomHQ recorded Sep 21, 2026	51-200	134 contacts →
	Exact match “Dark Horse CPAs is a leading CPA firm specializing in comprehensive tax and accounting advisory services tailored for small businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	HSJ Accountants, Business & TAX Advisors	Exact match	Newport, United KingdomHQ recorded Sep 21, 2026	51-200	134 contacts →
	Exact match “Award winning accountants & tax advisors based in Newport, South Wales.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Scheffel Boyle	Exact match	Alton, IL, United StatesHQ recorded Sep 21, 2026	51-200	129 contacts →
	Exact match “Scheffel Boyle started as a hometown firm, and although we have grown significantly during our over 100 years in business, we still have the local feel our clients appreciate.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	VAN DER Veen & Kromhout	Exact match	Gorredijk, NetherlandsHQ recorded Sep 21, 2026	51-200	121 contacts →
	Exact match “Van der Veen & Kromhout Registeraccountants en Belastingadviseurs ondersteunt met een compleet financieel-zakelijk dienstenpakket haar relaties in het MKB, de agrarische sector…” Recorded in the RevenueBase company graph · Sep 21, 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 accounting and tax prep 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 26,906 nonprofit accounting and tax prep services worldwide

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Nonprofit accounting and tax prep services worldwide at a glance

As of Sep 21, 2026

20.3%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

20,732

11-50

5,139

51-200

590

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 nonprofit accounting and tax prep services are linked below.
What qualifies: Company records worldwide whose business descriptions match “nonprofit accounting and tax prep 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 35,848 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 21, 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 accounting and tax prep services by location

106 lists · largest first

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

How many nonprofit accounting and tax prep services are there worldwide?

RevenueBase identified 26,906 company matches for nonprofit accounting and tax prep services 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?

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 accounting and tax prep services?

The United States leads with 12,141 companies, followed by Brazil (1,585) and Germany (1,390). Every nonprofit accounting and tax prep services list by country and city is linked on this page.

Which city has the most nonprofit accounting and tax prep services?

New York leads with 254 company records, followed by Sao Paulo (244) and Houston (204).

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 35,848 professional contacts with verified work emails tracked across these 26,906 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 21, 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.