Company lists · Data refreshed September 2026
Top 25 Nonprofit accounting outsourcing firms worldwide
RevenueBase identified 8,375 nonprofit accounting outsourcing firms worldwide as of September 2026 and tracks 55,686 professional contacts across them, including 13,430 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers nonprofit accounting outsourcing firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for nonprofit accounting outsourcing firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest nonprofit accounting outsourcing firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,912 contacts → | ||||
Indirect evidence “Don’t wait until understaffing eats away at your productivity and client satisfaction.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 833 contacts → | ||||
Indirect evidence “A Bernhoeft Contadores é uma empresa de atuação nacional que oferece terceirização de serviços contábeis para clientes de diversos portes e segmentos.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 775 contacts → | ||||
Strong evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 617 contacts → | ||||
Partial evidence “Scrubbed is an outsourced professional services firm providing a complete suite of accounting*, finance, and tax services, as well as support services for professional…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 477 contacts → | ||||
Strong evidence “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 477 contacts → | ||||
Partial evidence “Share Microfin Ltd is an Accounting company located in 1-224/58, Rajeev Nagar, Nacharam, Hyderabad, Andhra Pradesh, India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 415 contacts → | ||||
Indirect evidence “Outsourced Bookkeeping and Controller Services Supporting Strategies provides outsourced bookkeeping services, controller services and operational support to growing businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 320 contacts → | ||||
Strong evidence “Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 311 contacts → | ||||
Partial evidence “GI Outsourcing is a UK-based accountants outsourcing firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 294 contacts → | ||||
Partial evidence “Founded in 2007, Buchprufer Consultants has grown into a trusted and reputed outsourcing partner delivering high-quality financial and professional services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 282 contacts → | ||||
Indirect evidence “Listen, then advise.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 262 contacts → | ||||
Strong evidence “As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 243 contacts → | ||||
Indirect evidence “Headquartered in the Washington, DC metropolitan region, GRF CPAs & Advisors (GRF) is a full-service professional services firm providing clients with audit and assurance, tax…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 243 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 243 contacts → | ||||
Strong evidence “Virtual Clone is a leading provider of accounting outsourcing services, tailored specifically for ACCA/FCCA and Chartered Accountancy firms in the UK and Australia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 237 contacts → | ||||
Indirect evidence “Fondé en 1944, Extencia est un cabinet d'expertise comptable indépendant qui a su évoluer avec son temps tout en conservant ses valeurs fondamentales.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 231 contacts → | ||||
Indirect evidence “Thomas, Judy and Tucker, P.A.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 197 contacts → | ||||
Indirect evidence “As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 195 contacts → | ||||
Partial evidence “Aone is one of the leading global accounting, bookkeeping, tax and year end accounts preparation service provider in India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 168 contacts → | ||||
Strong evidence “Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 155 contacts → | ||||
Strong evidence “Accounting Outsourcing to Drive Growth for Global CPA Firms & MNCs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 151 contacts → | ||||
Indirect evidence “Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 150 contacts → | ||||
Strong evidence “All In One Accounting is your strategic accounting team dedicated to serving growth-minded entrepreneurs and mission-driven nonprofits by supporting profitable growth, protection…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 125 contacts → | ||||
Partial evidence “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 124 contacts → | ||||
Partial evidence “Keepers er branchens nye og innovative spiller inden for outsourcing af økonomifunktionen samt konsulentydelser.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit accounting outsourcing firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nonprofit accounting outsourcing firms.
- Partial evidence
- Its own public description names part of nonprofit accounting outsourcing firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit accounting outsourcing firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 8,375 nonprofit accounting outsourcing firms worldwide
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Nonprofit accounting outsourcing firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit accounting outsourcing firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for nonprofit accounting outsourcing firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “nonprofit accounting outsourcing firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit accounting outsourcing firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit accounting outsourcing firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 13,430 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Nonprofit accounting outsourcing firms by location
39 lists · largest firstEvery Nonprofit accounting outsourcing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit accounting outsourcing firms based in the United States2,970
- Nonprofit accounting outsourcing firms based in Brazil809
- Nonprofit accounting outsourcing firms based in India537
- Nonprofit accounting outsourcing firms based in Canada344
- Nonprofit accounting outsourcing firms based in the United Kingdom340
- Nonprofit accounting outsourcing firms based in Australia236
- Nonprofit accounting outsourcing firms based in France121
- Nonprofit accounting outsourcing firms based in South Africa111
- Nonprofit accounting outsourcing firms based in Sweden97
- Nonprofit accounting outsourcing firms based in the Netherlands96
- Nonprofit accounting outsourcing firms based in Poland90
- Nonprofit accounting outsourcing firms based in the United Arab Emirates74
- Nonprofit accounting outsourcing firms based in Pakistan71
- Nonprofit accounting outsourcing firms based in Denmark61
- Nonprofit accounting outsourcing firms based in Italy58
- Nonprofit accounting outsourcing firms based in Belgium47
- Nonprofit accounting outsourcing firms based in Germany34
- Nonprofit accounting outsourcing firms based in Norway30
- Nonprofit accounting outsourcing firms based in Finland26
Cities
- Nonprofit accounting outsourcing firms based in Sao Paulo, Brazil137
- Nonprofit accounting outsourcing firms based in Ahmedabad, India102
- Nonprofit accounting outsourcing firms based in London, United Kingdom91
- Nonprofit accounting outsourcing firms based in New York, United States81
- Nonprofit accounting outsourcing firms based in Los Angeles, United States53
- Nonprofit accounting outsourcing firms based in Toronto, Canada45
- Nonprofit accounting outsourcing firms based in Houston, United States43
- Nonprofit accounting outsourcing firms based in Atlanta, United States40
- Nonprofit accounting outsourcing firms based in Chicago, United States37
- Nonprofit accounting outsourcing firms based in Austin, United States35
- Nonprofit accounting outsourcing firms based in San Diego, United States35
- Nonprofit accounting outsourcing firms based in Sydney, Australia34
- Nonprofit accounting outsourcing firms based in Dallas, United States32
- Nonprofit accounting outsourcing firms based in Belo Horizonte, Brazil31
- Nonprofit accounting outsourcing firms based in Phoenix, United States28
- Nonprofit accounting outsourcing firms based in Portland, United States26
- Nonprofit accounting outsourcing firms based in San Francisco, United States26
- Nonprofit accounting outsourcing firms based in Washington, United States26
- Nonprofit accounting outsourcing firms based in Calgary, Canada25
- Nonprofit accounting outsourcing firms based in Denver, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit accounting outsourcing firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many nonprofit accounting outsourcing firms are there worldwide?
RevenueBase identified 8,375 nonprofit accounting outsourcing firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
TOA Global, headquartered in Southport, tops this list with the largest team on record.
Which country has the most nonprofit accounting outsourcing firms?
The United States leads with 2,970 companies, followed by Brazil (809) and India (537). Every nonprofit accounting outsourcing firms list by country and city is linked on this page.
Which city has the most nonprofit accounting outsourcing firms?
Sao Paulo leads with 137 headquartered companies, followed by Ahmedabad (102) and London (97).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 13,430 verified decision-maker contacts tracked across these 8,375 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.