Company lists · Data refreshed September 2026

Top 25 Nonprofit accounting and tax prep services based in the United States

Name: Nonprofit accounting and tax prep services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 12,141 companies tracked

RevenueBase identified 12,141 company matches for nonprofit accounting and tax prep services associated with the United States as of September 2026 and tracks 113,142 professional contacts across them, including 25,619 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit accounting and tax prep services associated with the United States, 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.

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

12,141Companies

113,142Contacts tracked

25,619Verified emails

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The 25 largest nonprofit accounting and tax prep services based in the United States

Ranked by team size

Top 25 of 12,141 company matches for nonprofit accounting and tax prep services based in the United States, 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	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
16	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
17	Cerini And Associates, LLP	Exact match	Bohemia, NY, United StatesHQ recorded Sep 21, 2026	51-200	120 contacts →
	Exact match “Cerini & Associates, LLP is a full service accounting firm with a staff of over fifty professionals, seven partners and a foundation built on value added ideas and integrity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Lavine, Lofgren, Morris & Engelberg, LLP	Exact match	La Jolla, CA, United StatesHQ recorded Sep 21, 2026	51-200	118 contacts →
	Exact match “Since 1985, we’ve built a firm where clients receive the highest quality of services, where our people play an important role as they grow professionally and where we as a firm…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Henry & Peters, P.C	Exact match	Tyler, TX, United StatesHQ recorded Sep 21, 2026	51-200	115 contacts →
	Exact match “For over 90 years, Henry & Peters has provided comprehensive accounting services with a depth of experience in Oil & Gas, Healthcare, Engineering, Construction, Small Business…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Crystalvoxx LLC Accounting Services	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	51-200	108 contacts →
	Exact match “CrystalVoxx offers a wide range of accounting and payroll services to suit diverse customer needs [Accounting & Payroll, EMR Integrated Transcription, Revenue Cycle Management,].” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	D'arcangelo & Co., LLP	Exact match	Utica, NY, United StatesHQ recorded Sep 21, 2026	51-200	103 contacts →
	Exact match “Bringing our clients over 70 years of dedicated experience and service, D'Arcangelo & Co, LLP offers our clients a distinct difference through unsurpassed accounting, auditing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Belfint, Lyons & Shuman, P.A	Exact match	Wilmington, DE, United StatesHQ recorded Sep 21, 2026	51-200	102 contacts →
	Exact match “Belfint, Lyons & Shuman (BLS) is an accounting firm dedicated to serving businesses, nonprofits, estates, and trusts in Delaware, Pennsylvania and beyond.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Considine & Considine	Exact match	San Diego, CA, United StatesHQ recorded Sep 21, 2026	51-200	102 contacts →
	Exact match “We offer a multitude of services ranging from traditional compilations, audits, reviews and tax returns, to other specialties, such as personal financial planning, retirement plan…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	B.T. Bryan Accounting, INC	Exact match	Palatine, United StatesHQ recorded Sep 21, 2026	n/a	101 contacts →
	Exact match “We specialize in accounting services for small and family-owned businesses-serving as the perfect extension of your company’s financial team.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Snyder Cohn	Exact match	North Bethesda, MD, United StatesHQ recorded Sep 21, 2026	51-200	100 contacts →
	Exact match “Snyder Cohn is a mid-sized CPA and business advisory firm, founded in 1927 and specializing in serving business owners and executives of businesses and nonprofit organizations in…” 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 12,141 nonprofit accounting and tax prep services based in the United States

See the full list, filter by size, metro and specialty, and access 25,619 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit accounting and tax prep services based in the United States at a glance

As of Sep 21, 2026

22.6%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

9,608

11-50

2,118

51-200

264

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 12,141 companies.

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.
What qualifies: Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 25,619 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 metro

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 based in the United States?

RevenueBase identified 12,141 company matches for nonprofit accounting and tax prep services associated with the United States 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 city has the most nonprofit accounting and tax prep services?

New York leads with 264 company records, followed by Houston (203) and Chicago (123).

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 25,619 professional contacts with verified work emails tracked across these 12,141 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.