Company lists · Data refreshed September 2026

Top 25 Not for profit accounting firms based in the United States

RevenueBase identified 762 company matches for not for profit accounting firms associated with the United States as of September 2026 and tracks 7,185 professional contacts across them, including 3,526 with verified work emails. New York is the largest hub.

This list covers company matches for not for profit 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 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
762Companies
7,185Contacts tracked
3,526Verified emails
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The 25 largest not for profit accounting firms based in the United States

Ranked by team size
Top 25 of 762 company matches for not for profit accounting firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 21, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202651-200262 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
3Exact matchUnited StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-200197 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
5Exact matchBuffalo, NY, United StatesHQ recorded Sep 21, 202651-200151 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
6Exact matchBethesda, MD, United StatesHQ recorded Sep 21, 202651-200104 contacts →

Exact match

“For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchUtica, NY, United StatesHQ recorded Sep 21, 202651-200103 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
8Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026201-500102 contacts →

Exact match

“Founded in 1943, Hektoen Institute offers a full-service, turn-key grant management solution for nonprofit organizations and municipalities.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchFairfax, VA, United StatesHQ recorded Sep 21, 202651-20095 contacts →

Exact match

“MCB is a full-service accounting firm celebrating nearly 80 very independent years of business in the Washington, DC metro area.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20088 contacts →

Exact match

“Consero Global Acquires BTQ Financial, Expanding Its Reach to the Non-Profit World With a Leading Provider of Finance as a Service to the Sector.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261,001-5,00087 contacts →

Exact match

“Top accounting firm Raffa, P.C.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchPittsburgh, PA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13Exact matchBrookfield, WI, United StatesHQ recorded Sep 21, 202651-20076 contacts →

Exact match

“At Lucida, we are committed to illuminating financial possibilities and empowering our clients through exceptional accounting services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Sep 21, 202611-5074 contacts →

Exact match

“SST Accountants & Consultants provides tax, audit, accounting, and business advisory services to privately-held businesses and individuals.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20072 contacts →

Exact match

“Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchNashville, TN, United StatesHQ recorded Sep 21, 202651-20071 contacts →

Exact match

“At Chazin, mission-driven accounting is our business, but nonprofits are our passion.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20068 contacts →

Exact match

“Our firm was created to meet the unique needs of nonprofit organizations and their missions and we have concentrated our accounting and auditing practice exclusively in the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 202651-20068 contacts →

Exact match

“Sutro Li is a full service financial management team that provides bookkeeping and financial advisory services to non-profits and mission-based businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchFresno, CA, United StatesHQ recorded Sep 21, 202651-20065 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, MO, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Sep 21, 202651-20058 contacts →

Exact match

“RedHammer: Driving Financial Clarity and Strategic Growth in Construction Founded in 2011, RedHammer has evolved from serving Hawaii’s construction companies to becoming a…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchPowell, OH, United StatesHQ recorded Sep 21, 202651-20056 contacts →

Exact match

“We are now Acclarity.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20055 contacts →

Exact match

“Carey & Co helps nonprofits grow by providing outsourced financial leadership and services that support efficient operations, transparent finances, and strategic decision-making.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchMclean, VA, United StatesHQ recorded Sep 21, 202651-20053 contacts →

Exact match

“At Vault, the nation’s leading accounting, human resources and research firm for nonprofits and associations, we help organizations thrive and grow.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 762 not for profit accounting firms based in the United States

See the full list, filter by size, metro and specialty, and access 3,526 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Not for profit accounting firms based in the United States at a glance

As of Sep 21, 2026
49.1%Verified-email coverage
9.4Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
550
11-50
171
51-200
32
201-500
4
501-1,000
1
1,001-5,000
1
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 762 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 “not for profit 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 3,526 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.

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

How many not for profit accounting firms are there based in the United States?

RevenueBase identified 762 company matches for not for profit 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 not for profit accounting firms?

New York leads with 26 company records, followed by Atlanta (14) and Los Angeles (12).

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 3,526 professional contacts with verified work emails tracked across these 762 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.