Company lists · Data refreshed September 2026

Top 25 Tax preparation services for nonprofits worldwide

RevenueBase identified 4,990 company matches for tax preparation services for nonprofits worldwide as of September 2026 and tracks 96,385 professional contacts across them, including 11,276 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for tax preparation services for nonprofits 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 22, 2026. Country and city lists for tax preparation services for nonprofits 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 22, 2026 How this list was built
4,990Companies
96,385Contacts tracked
11,276Verified emails
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The 25 largest tax preparation services for nonprofits worldwide

Ranked by team size
Top 25 of 4,990 company matches for tax preparation services for nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKansas City, MO, United StatesHQ recorded Sep 22, 202610001+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 22, 2026 · View company records in RevenueBase
2Exact matchHurst, TX, United StatesHQ recorded Sep 22, 2026n/a6,260 contacts →

Exact match

“Liberty Tax is income tax preparation at its best: friendly, accurate, and with a money back guarantee.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchKansas City, MO, United StatesHQ recorded Sep 22, 20261,001-5,0001,379 contacts →

Exact match

“We are Block Advisors by H&R Block.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchThornleigh, AustraliaHQ recorded Sep 22, 2026501-1,000412 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 22, 2026 · View company records in RevenueBase
5Exact matchExton, PA, United StatesHQ recorded Sep 22, 2026501-1,000364 contacts →

Exact match

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchAugusta, GA, IndiaHQ recorded Sep 22, 2026201-500289 contacts →

Exact match

“For 60 years, TaxSlayer has been empowering Americans to take control of their taxes with easy-to-use, reliable software backed by U.S-based support.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Sep 22, 2026501-1,000256 contacts →

Exact match

“Providing tax preparation products and solutions to the accounting profession to increase productivity.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Sep 22, 2026201-500243 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 22, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Sep 22, 202651-200175 contacts →

Exact match

“Background TaxHawk, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchPlano, TX, United StatesHQ recorded Sep 22, 202651-200100 contacts →

Exact match

“At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchChennai, IndiaHQ recorded Sep 22, 202651-20092 contacts →

Exact match

“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchDarmstadt, GermanyHQ recorded Sep 22, 20261,001-5,00091 contacts →

Exact match

“Der Steuerring e.V.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Sep 22, 202651-20085 contacts →

Exact match

“Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchValley Stream, NY, United StatesHQ recorded Sep 22, 202651-20078 contacts →

Exact match

“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Sep 22, 202611-5077 contacts →

Exact match

“Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchIrvine, CA, United StatesHQ recorded Sep 22, 202611-5070 contacts →

Exact match

“Omega Accounting Solutions is a financial and tax advisory based in Irvine, California that empowers small and medium-sized businesses (SMBs) to make better-informed decisions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchKöln, GermanyHQ recorded Sep 22, 202651-20068 contacts →

Exact match

“Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202651-20055 contacts →

Exact match

“With clients in every country worldwide, Bright!Tax is the go-to cloud-based US expat tax prep firm most sought after by the 10 million Americans who are living abroad.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchBoca Raton, FL, United StatesHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchNy, United StatesHQ recorded Sep 22, 202651-20053 contacts →

Exact match

“Tax Preparation for U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchPlymouth, MI, United StatesHQ recorded Sep 22, 202651-20050 contacts →

Exact match

“Formed in 1987, Financial One was founded because of the need nonprofit organizations have for accurate and timely financial information.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchWinter Park, FL, United StatesHQ recorded Sep 22, 202611-5048 contacts →

Exact match

“At BryteBridge, we are on a Mission to Empower dreamers and doers to build organizations that positively impact their communities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchNorthville, MI, United StatesHQ recorded Sep 22, 202611-5048 contacts →

Exact match

“Our services encompass nearly every aspect of your small business.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Sep 22, 202611-5048 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchKaty, TX, United StatesHQ recorded Sep 22, 20261,001-5,00042 contacts →

Exact match

“RightTaxMate is trusted partner for individual and businesses seeking expert financial guidance and support.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 4,990 tax preparation services for nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 11,276 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax preparation services for nonprofits worldwide at a glance

As of Sep 22, 2026
11.7%Verified-email coverage
19.3Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
4,034
11-50
747
51-200
118
201-500
16
501-1,000
7
1,001-5,000
7
5,001-10,000
1
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 tax preparation services for nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax preparation services for nonprofits” 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 11,276 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 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.

Tax preparation services for nonprofits by location

14 lists · largest first

Every Tax preparation services for nonprofits 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 “tax preparation services for nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation services for nonprofits are there worldwide?

RevenueBase identified 4,990 company matches for tax preparation services for nonprofits 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 tax preparation services for nonprofits?

The United States leads with 3,431 companies, followed by Canada (262) and Germany (161). Every tax preparation services for nonprofits list by country and city is linked on this page.

Which city has the most tax preparation services for nonprofits?

Houston leads with 79 company records, followed by New York (76) and Miami (37).

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 11,276 professional contacts with verified work emails tracked across these 4,990 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 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.