Company lists · Data refreshed September 2026
Top 25 Accounting outsourcing services worldwide
RevenueBase identified 34,794 accounting outsourcing services worldwide as of September 2026 and tracks 202,239 professional contacts across them, including 41,596 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers accounting outsourcing services 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 21, 2026. Country and city lists for accounting outsourcing services 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 services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,504 contacts → | ||||
Indirect evidence “Atuamos nos principais setores de terceirização, e somos pioneiros na implantação de contratos à distância.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,912 contacts → | ||||
Indirect evidence “Don’t wait until understaffing eats away at your productivity and client satisfaction.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,508 contacts → | ||||
Indirect evidence “BDO is the leading provider of professional services within the mid-tier of our profession.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 917 contacts → | ||||
Partial evidence “We’re on a mission to become Asia Pacific's most trusted provider of outsourced accounting, trade, international business and advisory services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 913 contacts → | ||||
Indirect evidence “B Consulting provides a plug-and-play financial operations team for high-growth startups.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 798 contacts → | ||||
Indirect evidence “D N A & Co.| Chartered Accountants” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 571 contacts → | ||||
Partial evidence “Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 558 contacts → | ||||
Partial evidence “Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.” Source: RevenueBase Database · checked Sep 21, 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 Sep 21, 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 Sep 21, 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 Sep 21, 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 Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 457 contacts → | ||||
Indirect evidence “Expert accountants + simple software = financial admin, done.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 423 contacts → | ||||
Partial evidence “Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 415 contacts → | ||||
Indirect evidence “Escalon’s one stop shop approach gives you a single touch point for everything you need to keep your company safe.” Source: RevenueBase Database · checked Sep 21, 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 services. 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 services.
- Partial evidence
- Its own public description names part of accounting outsourcing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounting outsourcing services. 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 34,794 accounting outsourcing services worldwide
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Accounting outsourcing services worldwide at a glance
As of Sep 21, 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 accounting outsourcing services, 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 accounting outsourcing services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “accounting outsourcing services”. 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 services), 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 services, 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, 41,596 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 21, 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 services by location
128 lists · largest firstEvery Accounting outsourcing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Accounting outsourcing services based in the United States8,569
- Accounting outsourcing services based in Brazil4,027
- Accounting outsourcing services based in the United Kingdom2,509
- Accounting outsourcing services based in India1,834
- Accounting outsourcing services based in Canada1,477
- Accounting outsourcing services based in Australia1,251
- Accounting outsourcing services based in the Netherlands760
- Accounting outsourcing services based in France618
- Accounting outsourcing services based in Sweden593
- Accounting outsourcing services based in Poland573
- Accounting outsourcing services based in South Africa545
- Accounting outsourcing services based in the United Arab Emirates396
- Accounting outsourcing services based in Denmark336
- Accounting outsourcing services based in Pakistan327
- Accounting outsourcing services based in Belgium286
- Accounting outsourcing services based in Germany242
- Accounting outsourcing services based in the Philippines241
- Accounting outsourcing services based in Italy235
- Accounting outsourcing services based in Finland233
- Accounting outsourcing services based in Portugal223
- Accounting outsourcing services based in Norway204
- Accounting outsourcing services based in Colombia182
- Accounting outsourcing services based in Spain179
- Accounting outsourcing services based in New Zealand167
- Accounting outsourcing services based in Switzerland153
- Accounting outsourcing services based in Peru151
- Accounting outsourcing services based in Mexico146
- Accounting outsourcing services based in Chile144
- Accounting outsourcing services based in Ireland139
- Accounting outsourcing services based in Argentina113
- Accounting outsourcing services based in Sri Lanka108
- Accounting outsourcing services based in Türkiye103
- Accounting outsourcing services based in Romania93
- Accounting outsourcing services based in Malaysia82
- Accounting outsourcing services based in Greece80
- Accounting outsourcing services based in Hungary71
- Accounting outsourcing services based in Israel66
- Accounting outsourcing services based in Slovakia61
- Accounting outsourcing services based in Lithuania60
- Accounting outsourcing services based in Bulgaria55
- Accounting outsourcing services based in Croatia54
- Accounting outsourcing services based in Indonesia52
- Accounting outsourcing services based in Ecuador47
- Accounting outsourcing services based in Austria46
- Accounting outsourcing services based in Costa Rica39
- Accounting outsourcing services based in Saudi Arabia36
- Accounting outsourcing services based in Estonia34
- Accounting outsourcing services based in Latvia34
- Accounting outsourcing services based in Hong Kong31
- Accounting outsourcing services based in Puerto Rico26
Cities
- Accounting outsourcing services based in Sao Paulo, Brazil670
- Accounting outsourcing services based in London, United Kingdom471
- Accounting outsourcing services based in Ahmedabad, India276
- Accounting outsourcing services based in New York, United States209
- Accounting outsourcing services based in Rio De Janeiro, Brazil178
- Accounting outsourcing services based in Toronto, Canada163
- Accounting outsourcing services based in Houston, United States156
- Accounting outsourcing services based in Belo Horizonte, Brazil141
- Accounting outsourcing services based in Curitiba, Brazil136
- Accounting outsourcing services based in New Delhi, India134
- Accounting outsourcing services based in Los Angeles, United States131
- Accounting outsourcing services based in Melbourne, Australia122
- Accounting outsourcing services based in Johannesburg, South Africa114
- Accounting outsourcing services based in Mumbai, India111
- Accounting outsourcing services based in Calgary, Canada110
- Accounting outsourcing services based in Austin, United States109
- Accounting outsourcing services based in Sydney, Australia107
- Accounting outsourcing services based in Warszawa, Poland97
- Accounting outsourcing services based in Atlanta, United States95
- Accounting outsourcing services based in Chicago, United States91
- Accounting outsourcing services based in San Diego, United States87
- Accounting outsourcing services based in Miami, United States85
- Accounting outsourcing services based in Denver, United States83
- Accounting outsourcing services based in Porto Alegre, Brazil83
- Accounting outsourcing services based in Dallas, United States82
- Accounting outsourcing services based in Bangalore, India80
- Accounting outsourcing services based in Delhi, India75
- Accounting outsourcing services based in Cape Town, South Africa73
- Accounting outsourcing services based in Pune, India64
- Accounting outsourcing services based in Recife, Brazil64
- Accounting outsourcing services based in Vancouver, Canada64
- Accounting outsourcing services based in Campinas, Brazil62
- Accounting outsourcing services based in Noida, India61
- Accounting outsourcing services based in Chennai, India59
- Accounting outsourcing services based in Hyderabad, India59
- Accounting outsourcing services based in Salvador, Brazil59
- Accounting outsourcing services based in Orlando, United States54
- Accounting outsourcing services based in Phoenix, United States54
- Accounting outsourcing services based in Kolkata, India53
- Accounting outsourcing services based in Montreal, Canada53
- Accounting outsourcing services based in San Francisco, United States53
- Accounting outsourcing services based in Bengaluru, India52
- Accounting outsourcing services based in Mississauga, Canada52
- Accounting outsourcing services based in Edmonton, Canada51
- Accounting outsourcing services based in Portland, United States51
- Accounting outsourcing services based in Brisbane, Australia49
- Accounting outsourcing services based in Manchester, United Kingdom49
- Accounting outsourcing services based in Charlotte, United States48
- Accounting outsourcing services based in Las Vegas, United States48
- Accounting outsourcing services based in Seattle, United States47
- Accounting outsourcing services based in Sorocaba, Brazil46
- Accounting outsourcing services based in Tampa, United States46
- Accounting outsourcing services based in San Antonio, United States45
- Accounting outsourcing services based in Sheridan, United States45
- Accounting outsourcing services based in Perth, Australia43
- Accounting outsourcing services based in Ottawa, Canada42
- Accounting outsourcing services based in Gurgaon, India41
- Accounting outsourcing services based in Guarulhos, Brazil40
- Accounting outsourcing services based in Raleigh, United States39
- Accounting outsourcing services based in Barueri, Brazil37
- Accounting outsourcing services based in Minneapolis, United States37
- Accounting outsourcing services based in Washington, United States37
- Accounting outsourcing services based in Irvine, United States36
- Accounting outsourcing services based in Columbus, United States34
- Accounting outsourcing services based in Bristol, United Kingdom32
- Accounting outsourcing services based in Boston, United States31
- Accounting outsourcing services based in Jacksonville, United States31
- Accounting outsourcing services based in Salt Lake City, United States31
- Accounting outsourcing services based in Wilmington, United States30
- Accounting outsourcing services based in Winnipeg, Canada30
- Accounting outsourcing services based in San Jose, United States29
- Accounting outsourcing services based in Tucson, United States29
- Accounting outsourcing services based in Warsaw, Poland28
- Accounting outsourcing services based in Frisco, United States26
- Accounting outsourcing services based in Colorado Springs, United States25
- Accounting outsourcing services based in Greenville, United States25
- Accounting outsourcing services based in Nashville, United States25
- Accounting outsourcing services based in Scottsdale, 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 accounting outsourcing services, 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 services are there worldwide?
RevenueBase identified 34,794 accounting outsourcing services 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?
Liderança Serviços, headquartered in Sao Jose, tops this list with the largest team on record.
Which country has the most accounting outsourcing services?
The United States leads with 8,569 companies, followed by Brazil (4,027) and the United Kingdom (2,509). Every accounting outsourcing services list by country and city is linked on this page.
Which city has the most accounting outsourcing services?
Sao Paulo leads with 670 headquartered companies, followed by London (499) and Ahmedabad (277).
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 41,596 verified decision-maker contacts tracked across these 34,794 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 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 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.