Company lists · Data refreshed September 2026

Top 25 Foundation accounting firms based in the United States

RevenueBase identified 1,608 company matches for foundation accounting firms associated with the United States as of September 2026 and tracks 10,990 professional contacts across them, including 4,741 with verified work emails. New York is the largest hub.

This list covers company matches for foundation 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 28, 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 28, 2026 How this list was built
1,608Companies
10,990Contacts tracked
4,741Verified emails
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The 25 largest foundation accounting firms based in the United States

Ranked by team size
Top 25 of 1,608 company matches for foundation accounting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchArtesia, CA, United StatesHQ recorded Sep 28, 2026n/a240 contacts →

Exact match

“We are a full-service Accounting firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchWaco, TX, United StatesHQ recorded Sep 28, 202651-200142 contacts →

Exact match

“Pattillo, Brown & Hill, L.L.P has been pace setter within the Waco, Texas community since its inauguration in 1923 and continues to be one of the oldest and most respected…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchRapid City, SD, United StatesHQ recorded Sep 28, 202651-200141 contacts →

Exact match

“Ketel Thorstenson, LLP, is a full-service accounting firm rich in history, serving clients since 1936.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMount Arlington, NJ, United StatesHQ recorded Sep 28, 202651-200138 contacts →

Exact match

“Business is complex.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLagrange, United StatesHQ recorded Sep 28, 202611-50125 contacts →

Exact match

“We are committed to providing close, personal attention to our clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202651-200102 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 28, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Sep 28, 202651-200100 contacts →

Exact match

“The #1 Team Startups Rely On For Accounting, CFO & Tax.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchRichmond, KY, United StatesHQ recorded Sep 28, 202611-5098 contacts →

Exact match

“Baldwin is experienced and qualified to provide accounting services to a wide variety of businesses and industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchFrankfort, IL, United StatesHQ recorded Sep 28, 202651-20095 contacts →

Exact match

“Friedman+Huey Associates LLP is full-service CPA Accounting Firm founded in 1985.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 202651-20089 contacts →

Exact match

“Acuity is the modern-day accounting organization built specifically for startups and small businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchFargo, ND, United StatesHQ recorded Sep 28, 2026201-50087 contacts →

Exact match

“We provide outstanding service to our clients because of our dedication to the three underlying principles of professionalism, responsiveness and quality.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBurbank, CA, United StatesHQ recorded Sep 28, 202611-5083 contacts →

Exact match

“CFO Plans is the only accounting, finance, and tax service offering 30-minute response times, 5-business-day closes, and pricing based on your revenue, not by the hour or by…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchSan Antonio, TX, United StatesHQ recorded Sep 28, 202651-20083 contacts →

Exact match

“Established in 1980, Sol Schwartz & Associates is one of San Antonio’s largest local independent accounting firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, PA, United StatesHQ recorded Sep 28, 202651-20081 contacts →

Exact match

“For more than 30 years, Bookminders has provided timely, accurate and cost effective bookkeeping for a variety of nonprofits and small businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20075 contacts →

Exact match

“Fasten Halberstam LLP is a full service accounting firm offering a broad range of services for a diversified clientele representing a variety of industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchMontgomery, AL, United StatesHQ recorded Sep 28, 202611-5073 contacts →

Exact match

“Aldridge, Borden & Company, P.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchBakersfield, CA, United StatesHQ recorded Sep 28, 202651-20067 contacts →

Exact match

“As accountants, we know the importance of numbers, but we’re also smart enough to know that there is more to managing your financials than that.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchRochester, NY, United StatesHQ recorded Sep 28, 202651-20065 contacts →

Exact match

“Flaherty Salmin consistently simplifies complex issues and concepts, distilling comprehensive data and insights into clear and concise solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchFresno, CA, United StatesHQ recorded Sep 28, 202651-20065 contacts →

Exact match

“Aplos is advancing fund accounting for the nonprofit and church sector.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, MO, United StatesHQ recorded Sep 28, 202651-20062 contacts →

Exact match

“The Charity CFO helps nonprofit leaders by creating clarity and understanding of their organization’s financial position, modernizing financial operations, and bringing the focus…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchRoseland, NJ, United StatesHQ recorded Sep 28, 202611-5058 contacts →

Exact match

“As a full-service, certified public accounting firm with a vested interest in the business community, Meisel, Tuteur & Lewis, P.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchGreensboro, NC, United StatesHQ recorded Sep 28, 202651-20056 contacts →

Exact match

“In the accounting industry, you see it time and again: the more experienced and knowledgeable an accountant becomes, the more they are shuffled into the upper echelons of…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchEast Brunswick, NJ, United StatesHQ recorded Sep 28, 202611-5053 contacts →

Exact match

“We provide Nonprofit organizations with quality affordable Financial & Technical management services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchConcord, NH, United StatesHQ recorded Sep 28, 202611-5052 contacts →

Exact match

“Mission: At Nathan Wechsler & Company, P.A.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,608 foundation accounting firms based in the United States

See the full list, filter by size, metro and specialty, and access 4,741 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Foundation accounting firms based in the United States at a glance

As of Sep 28, 2026
43.1%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,134
11-50
405
51-200
51
201-500
8
501-1,000
2
5,001-10,000
1

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 1,608 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 “foundation 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 4,741 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 28, 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.

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

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

RevenueBase identified 1,608 company matches for foundation 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 foundation accounting firms?

New York leads with 51 company records, followed by Los Angeles (23) and Houston (22).

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 4,741 professional contacts with verified work emails tracked across these 1,608 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 28, 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.