Company lists · Data refreshed August 2026
Top 25 Accounting outsourcing firms worldwide
RevenueBase identified 31,310 accounting outsourcing firms worldwide as of August 2026 and tracks 210,531 professional contacts across them, including 49,143 with verified work emails and 5 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.
This list covers 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 August 30, 2026. Country and city lists for 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 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 Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,231 contacts → | ||||
Partial evidence “OUR PEOPLE, YOUR PRIORITIES Streamline your finance & accounting team at 50% cost savings with a team as small as one.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,238 contacts → | ||||
Partial evidence “We are a boutique outsourcing firm specializing in keeping our customers' databases up-to-date, accurate, and as robust as possible.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,021 contacts → | ||||
Strong evidence “D&V Philippines is a finance and accounting outsourcing company that helps CFOs, accounting firms, audit firms, and other professional services firms build reliable offshore…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 857 contacts → | ||||
Partial evidence “Confiance specializes in providing highly personalized business solutions in the areas of bookkeeping and accounting, financial planning, financial advisory, back office and…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 831 contacts → | ||||
Strong evidence “IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 810 contacts → | ||||
Partial evidence “Established in 2008, Pacific was formed to serve the clients with the best services in the field of outsourced accounting.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 798 contacts → | ||||
Indirect evidence “D N A & Co.| Chartered Accountants” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 666 contacts → | ||||
Indirect evidence “Fundada em 1984, a Domingues e Pinho Contadores conta com uma trajetória de sucesso, baseada na ética e na excelência dos serviços prestados.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 628 contacts → | ||||
Partial evidence “KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 621 contacts → | ||||
Indirect evidence “Guru & Jana (GJ) a CA firm in Bangalore based on the philosophy - “Earn, we will & should, but with dignity, joy & trust”, specializes in India Entry, Audit & Assurance…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 574 contacts → | ||||
Partial evidence “BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 571 contacts → | ||||
Partial evidence “Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 558 contacts → | ||||
Partial evidence “Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 486 contacts → | ||||
Indirect evidence “SandMartin is a distinguished industry leader with a 40-year legacy, employing over 550 skilled professionals across five offices in India, including state-of-the-art facilities…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 482 contacts → | ||||
Indirect evidence “We specialize in providing full-service CFOs, controllers, and operational accountants to consult with our clients.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 477 contacts → | ||||
Strong evidence “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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 Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 474 contacts → | ||||
Strong evidence “Global FPO is an Accounting, Bookkeeping and Tax Consulting, and outsourcing company that helps CPAs, accounting firms, small and mid-sized businesses, and startups strengthen…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 474 contacts → | ||||
Indirect evidence “La FED est une société d’expertise-comptable avec une mission précise : accompagner les entrepreneurs,favoriser leur réussite.Grâce à nos valeurs, nous bâtissons une relation de…” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 450 contacts → | ||||
Indirect evidence “Two chartered accountancy firms S.P.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 423 contacts → | ||||
Partial evidence “Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.” Source: RevenueBase Database · checked Aug 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 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 Aug 30, 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: 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 accounting outsourcing firms.
- Partial evidence
- Its own public description names part of 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 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 31,310 accounting outsourcing firms worldwide
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 49,143 reachable decision-makers.
Free signup · no credit card
Accounting outsourcing firms worldwide at a glance
As of Aug 30, 2026Companies by employee count
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 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
- 52 countries, largest first: the United States, Brazil, the United Kingdom, India, Canada, Australia, France, the Netherlands, Sweden, South Africa and 42 more. Country and city lists for accounting outsourcing firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “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 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 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, 49,143 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 between August 30, 2026 and September 14, 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.
Accounting outsourcing firms by location
151 lists · largest firstEvery Accounting outsourcing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Accounting outsourcing firms based in the United States8,848
- Accounting outsourcing firms based in Brazil4,897
- Accounting outsourcing firms based in the United Kingdom2,682
- Accounting outsourcing firms based in India2,559
- Accounting outsourcing firms based in Canada1,591
- Accounting outsourcing firms based in Australia1,220
- Accounting outsourcing firms based in France1,036
- Accounting outsourcing firms based in the Netherlands777
- Accounting outsourcing firms based in Sweden639
- Accounting outsourcing firms based in South Africa606
- Accounting outsourcing firms based in Poland555
- Accounting outsourcing firms based in the United Arab Emirates476
- Accounting outsourcing firms based in Italy384
- Accounting outsourcing firms based in Pakistan353
- Accounting outsourcing firms based in Belgium341
- Accounting outsourcing firms based in Denmark334
- Accounting outsourcing firms based in the Philippines249
- Accounting outsourcing firms based in Portugal244
- Accounting outsourcing firms based in Norway243
- Accounting outsourcing firms based in Finland239
- Accounting outsourcing firms based in Colombia231
- Accounting outsourcing firms based in Germany231
- Accounting outsourcing firms based in Peru186
- Accounting outsourcing firms based in Argentina174
- Accounting outsourcing firms based in Spain173
- Accounting outsourcing firms based in Mexico170
- Accounting outsourcing firms based in New Zealand162
- Accounting outsourcing firms based in Ireland153
- Accounting outsourcing firms based in Chile136
- Accounting outsourcing firms based in Switzerland122
- Accounting outsourcing firms based in Sri Lanka114
- Accounting outsourcing firms based in Türkiye114
- Accounting outsourcing firms based in Malaysia103
- Accounting outsourcing firms based in Romania93
- Accounting outsourcing firms based in Greece85
- Accounting outsourcing firms based in Israel81
- Accounting outsourcing firms based in Indonesia73
- Accounting outsourcing firms based in Hungary66
- Accounting outsourcing firms based in Lithuania57
- Accounting outsourcing firms based in Ecuador54
- Accounting outsourcing firms based in Croatia53
- Accounting outsourcing firms based in Slovakia51
- Accounting outsourcing firms based in Austria47
- Accounting outsourcing firms based in Costa Rica45
- Accounting outsourcing firms based in Hong Kong44
- Accounting outsourcing firms based in Saudi Arabia40
- Accounting outsourcing firms based in Puerto Rico37
- Accounting outsourcing firms based in Latvia36
- Accounting outsourcing firms based in Estonia28
- Accounting outsourcing firms based in Luxembourg27
- Accounting outsourcing firms based in Cyprus26
- Accounting outsourcing firms based in Slovenia25
Cities
- Accounting outsourcing firms based in Sao Paulo, Brazil862
- Accounting outsourcing firms based in London, United Kingdom533
- Accounting outsourcing firms based in Ahmedabad, India324
- Accounting outsourcing firms based in Dubai, United Arab Emirates300
- Accounting outsourcing firms based in Rio De Janeiro, Brazil232
- Accounting outsourcing firms based in New York, United States229
- Accounting outsourcing firms based in New Delhi, India220
- Accounting outsourcing firms based in Paris, France207
- Accounting outsourcing firms based in Belo Horizonte, Brazil175
- Accounting outsourcing firms based in Toronto, Canada172
- Accounting outsourcing firms based in Mumbai, India169
- Accounting outsourcing firms based in Curitiba, Brazil168
- Accounting outsourcing firms based in Houston, United States157
- Accounting outsourcing firms based in Los Angeles, United States137
- Accounting outsourcing firms based in Stockholm, Sweden137
- Accounting outsourcing firms based in Johannesburg, South Africa124
- Accounting outsourcing firms based in Calgary, Canada115
- Accounting outsourcing firms based in Melbourne, Australia113
- Accounting outsourcing firms based in Lahore, Pakistan112
- Accounting outsourcing firms based in Delhi, India109
- Accounting outsourcing firms based in Pune, India108
- Accounting outsourcing firms based in Austin, United States106
- Accounting outsourcing firms based in Sydney, Australia106
- Accounting outsourcing firms based in Porto Alegre, Brazil103
- Accounting outsourcing firms based in Miami, United States100
- Accounting outsourcing firms based in Atlanta, United States95
- Accounting outsourcing firms based in Bangalore, India95
- Accounting outsourcing firms based in Warszawa, Poland92
- Accounting outsourcing firms based in Chicago, United States91
- Accounting outsourcing firms based in San Diego, United States88
- Accounting outsourcing firms based in Bengaluru, India83
- Accounting outsourcing firms based in Noida, India81
- Accounting outsourcing firms based in Campinas, Brazil80
- Accounting outsourcing firms based in Dallas, United States80
- Accounting outsourcing firms based in Denver, United States80
- Accounting outsourcing firms based in Hyderabad, India79
- Accounting outsourcing firms based in Cape Town, South Africa76
- Accounting outsourcing firms based in Vancouver, Canada76
- Accounting outsourcing firms based in Chennai, India75
- Accounting outsourcing firms based in Salvador, Brazil72
- Accounting outsourcing firms based in Montreal, Canada71
- Accounting outsourcing firms based in Kolkata, India70
- Accounting outsourcing firms based in Recife, Brazil68
- Accounting outsourcing firms based in Mississauga, Canada60
- Accounting outsourcing firms based in Auckland, New Zealand57
- Accounting outsourcing firms based in Manchester, United Kingdom57
- Accounting outsourcing firms based in Portland, United States57
- Accounting outsourcing firms based in Gurgaon, India56
- Accounting outsourcing firms based in San Francisco, United States55
- Accounting outsourcing firms based in Phoenix, United States53
- Accounting outsourcing firms based in Orlando, United States52
- Accounting outsourcing firms based in Las Vegas, United States51
- Accounting outsourcing firms based in Tampa, United States51
- Accounting outsourcing firms based in Edmonton, Canada49
- Accounting outsourcing firms based in Oslo, Norway49
- Accounting outsourcing firms based in Sorocaba, Brazil49
- Accounting outsourcing firms based in Brisbane, Australia44
- Accounting outsourcing firms based in Charlotte, United States44
- Accounting outsourcing firms based in San Antonio, United States44
- Accounting outsourcing firms based in Ottawa, Canada43
- Accounting outsourcing firms based in Seattle, United States43
- Accounting outsourcing firms based in Sheridan, United States43
- Accounting outsourcing firms based in Jaipur, India42
- Accounting outsourcing firms based in Blumenau, Brazil41
- Accounting outsourcing firms based in Irvine, United States40
- Accounting outsourcing firms based in Washington, United States40
- Accounting outsourcing firms based in Helsinki, Finland39
- Accounting outsourcing firms based in Perth, Australia39
- Accounting outsourcing firms based in Raleigh, United States39
- Accounting outsourcing firms based in Vilnius, Lithuania39
- Accounting outsourcing firms based in Wroclaw, Poland39
- Accounting outsourcing firms based in Barueri, Brazil37
- Accounting outsourcing firms based in Birmingham, United Kingdom35
- Accounting outsourcing firms based in Amsterdam, Netherlands34
- Accounting outsourcing firms based in Bristol, United Kingdom34
- Accounting outsourcing firms based in Caxias Do Sul, Brazil34
- Accounting outsourcing firms based in Gurugram, India34
- Accounting outsourcing firms based in Lisboa, Portugal34
- Accounting outsourcing firms based in Salt Lake City, United States34
- Accounting outsourcing firms based in Minneapolis, United States32
- Accounting outsourcing firms based in San Jose, United States32
- Accounting outsourcing firms based in Zagreb, Croatia32
- Accounting outsourcing firms based in Boston, United States31
- Accounting outsourcing firms based in Columbus, United States31
- Accounting outsourcing firms based in Jacksonville, United States31
- Accounting outsourcing firms based in Wilmington, United States31
- Accounting outsourcing firms based in Winnipeg, Canada31
- Accounting outsourcing firms based in Barcelona, Spain29
- Accounting outsourcing firms based in Goteborg, Sweden29
- Accounting outsourcing firms based in Indianapolis, United States28
- Accounting outsourcing firms based in Bucharest, Romania27
- Accounting outsourcing firms based in Dublin, Ireland27
- Accounting outsourcing firms based in Nashville, United States27
- Accounting outsourcing firms based in Riga, Latvia27
- Accounting outsourcing firms based in Tucson, United States27
- Accounting outsourcing firms based in Kansas City, United States26
- Accounting outsourcing firms based in Greenville, United States25
- Accounting outsourcing firms based in Kochi, India25
- Accounting outsourcing firms based in Lyon, France25
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 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 accounting outsourcing firms are there worldwide?
RevenueBase identified 31,310 accounting outsourcing firms worldwide as of August 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 accounting outsourcing firms?
The United States leads with 8,848 companies, followed by Brazil (4,897) and the United Kingdom (2,682). Every accounting outsourcing firms list by country and city is linked on this page.
Which city has the most accounting outsourcing firms?
Sao Paulo leads with 862 headquartered companies, followed by London (563) and Ahmedabad (325).
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 49,143 verified decision-maker contacts tracked across these 31,310 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between August 30, 2026 and September 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 31,310 accounting outsourcing firms worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.