Company lists · Data refreshed October 2026

Top 25 Nonprofit tax compliance companies worldwide

RevenueBase identified 489 company matches for nonprofit tax compliance companies worldwide as of October 2026 and tracks 2,853 professional contacts across them, including 913 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 compliance companies 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 nonprofit tax compliance companies 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
489Companies
2,853Contacts tracked
913Verified emails
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The 25 largest nonprofit tax compliance companies worldwide

Ranked by team size
Top 25 of 489 company matches for nonprofit tax compliance companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLancaster, PA, United StatesHQ recorded Oct 22, 2026201-500174 contacts →

Exact match

“We provide innovative compliance solutions by embracing complexity and making it simple.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Oct 22, 2026201-500129 contacts →

Exact match

“Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchDarmstadt, GermanyHQ recorded Oct 22, 20261,001-5,00089 contacts →

Exact match

“Der Steuerring e.V.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchValley Stream, NY, United StatesHQ recorded Oct 22, 202651-20077 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 · Oct 22, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Oct 22, 202651-20061 contacts →

Exact match

“We provide superior compliance services to the political and non-profit communities by combining modern business principles, technology, and top-notch customer service with…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchBrossard, QC, CanadaHQ recorded Oct 22, 202651-20059 contacts →

Exact match

“Services * Expansion américaine et/ou internationale;* Conformité fiscale américaine (corporative);* Conformité fiscale américaine (individu);* « Snowbirds » et immobilier…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchNy, United StatesHQ recorded Oct 22, 202651-20056 contacts →

Exact match

“Tax Preparation for U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Oct 22, 202651-20052 contacts →

Exact match

“Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchPlymouth, MI, United StatesHQ recorded Oct 22, 202651-20051 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 · Oct 22, 2026 · View company records in RevenueBase
10Exact matchWinter Park, FL, United StatesHQ recorded Oct 22, 202611-5047 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 · Oct 22, 2026 · View company records in RevenueBase
11Exact matchLancaster, PA, United StatesHQ recorded Oct 22, 202651-20043 contacts →

Exact match

“We help nonprofits like yours with their state charitable registrations.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Oct 22, 202611-5036 contacts →

Exact match

“A boutique tax consulting organisation focused on helping its clients comply with the tax laws in letter and in spirit.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Oct 22, 202611-5032 contacts →

Exact match

“The Breakthrough Office was established from a passion to make a difference in the world – accounting, payroll, governance and compliance are just what we’re good at.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchSliedrecht, NetherlandsHQ recorded Oct 22, 202611-5029 contacts →

Exact match

“WITh is een uniek accountantskantoor dat zich uitsluitend richt op de non-profitsector.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchLas Vegas, NV, United StatesHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“Trust HRC We give meaning to the numbers.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5021 contacts →

Exact match

“With offices in New York City, Philadelphia and Stamford, Evolved is a fast-growing tax compliance and business advisory firm that serves startups, small businesses, private…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Oct 22, 202611-5021 contacts →

Exact match

“We provide the highest quality compliance services to federal, state, and local political committees, corporate PACs, and nonprofit entities.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchZurich, SwitzerlandHQ recorded Oct 22, 202611-5020 contacts →

Exact match

“Sanders US Tax Services is a tax preparation, consulting and advisory firm for Americans living abroad and for anyone else looking for help when dealing with the US tax system.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchDadri, IndiaHQ recorded Oct 22, 202611-5020 contacts →

Exact match

“The only place where one can obtain 2X Cash Flows Tax Compliance No Penalties to Government 3X Profits 10X Revenues Our motto - Business owners should focus on their Businesses…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchCape Town, South AfricaHQ recorded Oct 22, 20261-1020 contacts →

Exact match

“We are your one-stop financial compliance services team.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchLehi, UT, United StatesHQ recorded Oct 22, 202611-5018 contacts →

Exact match

“DBN Tax is a small firm managed by highly qualified, experienced, former IRS auditors.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchStockholm, SwedenHQ recorded Oct 22, 202611-5017 contacts →

Exact match

“Unum Tax är en oberoende skattebyrå som riktar sig främst till stora och medelstora företag, organisationer och stiftelser men tillhandahåller även tjänster till fåmansföretag och…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Oct 22, 202611-5017 contacts →

Exact match

“Chitwood & Chitwood is a financial services company based out of United States.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchJacksonville, FL, United StatesHQ recorded Oct 22, 20261-1016 contacts →

Exact match

“The Forde Firm is the non-profit plus accounting firm of choice in the North East Florida area.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 22, 20261-1015 contacts →

Exact match

“Hartle & Rees is a reputable and growing tax firm located at Salt Lake City (We are located near the Fashion Place mall at 6600 S).”

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

Showing 25 of 489 nonprofit tax compliance companies worldwide

See the full list, filter by size, metro and specialty, and access 913 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit tax compliance companies worldwide at a glance

As of Oct 22, 2026
32.0%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · New York
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
336
11-50
116
51-200
28
201-500
3
1,001-5,000
2

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 companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit tax compliance companies” 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 913 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.

Nonprofit tax compliance companies by location

1 lists · largest first

Every Nonprofit tax compliance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit tax compliance companies are there worldwide?

RevenueBase identified 489 company matches for nonprofit tax compliance companies 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?

Harbor Compliance 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 companies?

The United States leads with 219 companies. Every nonprofit tax compliance companies list by country and city is linked on this page.

Which city has the most nonprofit tax compliance companies?

New York leads with 8 company records, followed by Orlando (6) and Hyderabad (5).

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 913 professional contacts with verified work emails tracked across these 489 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.