Company lists · Data refreshed September 2026

Top 25 Pro bono accounting firms based in the United States

RevenueBase identified 240 company matches for pro bono accounting firms associated with the United States as of September 2026 and tracks 2,250 professional contacts across them, including 1,009 with verified work emails and 1,061 with mobile numbers. Phoenix is the largest hub.

This list covers company matches for pro bono accounting firms 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 5, 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 5, 2026 How this list was built
240Companies
2,250Contacts tracked
1,009Verified emails
1,061Mobile numbers
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The 25 largest pro bono accounting firms based in the United States

Ranked by team size
Top 25 of 240 company matches for pro bono accounting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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 matchPhiladelphia, PA, United StatesHQ recorded Sep 5, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchLas Vegas, NV, United StatesHQ recorded Sep 5, 202651-200142 contacts →

Exact match

“Established in 1958, Legal Aid Center of Southern Nevada is a private, non-profit, 501(c)(3) organization that ensures equal access to justice through free legal advice and…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchDetroit, MI, United StatesHQ recorded Sep 5, 202611-50115 contacts →

Exact match

“Accounting Aid Society - Growing an Economy That Works for Everyone Accounting Aid Society (AAS) is a nonprofit organization that offers free tax help and counseling; financial…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 5, 20261,001-5,00087 contacts →

Exact match

“Top accounting firm Raffa, P.C.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 5, 202651-20051 contacts →

Exact match

“Han Group is a public accounting firm committed to serving the nonprofit community by providing unparalleled expertise in nonprofit Audits & Assurance, Managed Accounting, Tax…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchPlymouth, MI, United StatesHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 5, 2026n/a37 contacts →

Exact match

“SOAR strengthens nonprofits through collaborative, pro bono consulting that builds organizational capacity and deepens community impact while fostering an enriching learning…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 5, 202611-5035 contacts →

Exact match

“Philadelphia VIP was founded in 1981 by the Philadelphia Bar Association and Community Legal Services to meet the legal needs of low-income Philadelphians by recruiting and…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchWest Des Moines, IA, United StatesHQ recorded Sep 5, 202611-5026 contacts →

Exact match

“A Certified Public Accounting Firm Tarbell & Co offers a wide range of accounting services to small to medium sized businesses and non-profit organizations in a variety of…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchLas Vegas, NV, United StatesHQ recorded Sep 5, 202611-5026 contacts →

Exact match

“Trust HRC We give meaning to the numbers.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 5, 20261-1023 contacts →

Exact match

“Our Mission: To strengthen our community by engaging volunteer attorneys to provide nonprofits with business legal services.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchOak Park, IL, United StatesHQ recorded Sep 5, 20261-1023 contacts →

Exact match

“More than 85 percent* of the civil legal needs of low-income Americans go unmet every year.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchSugar Land, TX, United StatesHQ recorded Sep 5, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchLos Angeles, CA, United StatesHQ recorded Sep 5, 202611-5019 contacts →

Exact match

“Quigley & Miron is a full service certified public accounting firm specializing in the nonprofit sector.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchJacksonville, FL, United StatesHQ recorded Sep 5, 20261-1017 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 · Sep 5, 2026 · View company records in RevenueBase
16Exact matchColumbus, OH, United StatesHQ recorded Sep 5, 20261-1014 contacts →

Exact match

“ABC Accounting and Tax Services specializes in serving the accounting needs of small businesse owners and non-profit organizations.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchTyrone, PA, United StatesHQ recorded Sep 5, 202611-5013 contacts →

Exact match

“Our firm helps small businesses comply with tax filing requirements and payroll tax filing requirements and assist small businesses to track their business results using…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchRichardson, TX, United StatesHQ recorded Sep 5, 202611-5012 contacts →

Exact match

“FFH is a full service professional accounting firm that has been in the Dallas Metroplex area for more than 25 years.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchPasadena, CA, United StatesHQ recorded Sep 5, 202611-5012 contacts →

Exact match

“As a full-service accounting firm, Goehner Accountancy draws momentum and energy from the great diversity of our clients.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchDeerfield Beach, FL, United StatesHQ recorded Sep 5, 202611-5012 contacts →

Exact match

“Tax Preparation & Accounting Services.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchCharlottesville, VA, United StatesHQ recorded Sep 5, 202611-5011 contacts →

Exact match

“Forward impacts the regional economy by strengthening the growing financial operations of businesses and nonprofits.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchPleasant Hill, CA, United StatesHQ recorded Sep 5, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchGilbert, AZ, United StatesHQ recorded Sep 5, 202611-5010 contacts →

Exact match

“Founded in 1969, Butler Hansen, PLC, C.P.A.s, is a full service public accounting firm located in Mesa, Arizona.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24Exact matchColumbus, OH, United StatesHQ recorded Sep 5, 20261-1010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Sep 5, 202611-509 contacts →

Exact match

“NON-PROFIT BOOKKEEPING SINCE 1986 Susan Matlack Jones & Associates provides quality accounting, bookkeeping, and consulting services to not-for-profit organizations.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

Showing 25 of 240 pro bono accounting firms based in the United States

See the full list, filter by size, metro and specialty, and access 1,009 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pro bono accounting firms based in the United States at a glance

As of Sep 5, 2026
44.8%Verified-email coverage
47.2%Mobile-number coverage
9.4Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Phoenix
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
184
11-50
46
51-200
5
501-1,000
2
1,001-5,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “pro bono accounting 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. 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 1,009 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 5, 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.

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 “pro bono accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pro bono accounting firms are there based in the United States?

RevenueBase identified 240 company matches for pro bono accounting firms 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?

Your Part-Time Controller, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most pro bono accounting firms?

Phoenix leads with 6 company records, followed by New York (5) and Atlanta (4).

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 1,009 professional contacts with verified work emails tracked across these 240 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 240 pro bono accounting firms based in the United States. Start with a free account, no credit card.

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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.