Company lists · Data refreshed September 2026
Top 25 Account outsourcing services worldwide
RevenueBase identified 34,451 account outsourcing services worldwide as of September 2026 and tracks 189,725 professional contacts across them, including 38,993 with verified work emails. The United States is the largest market and London the largest hub.
This list covers account 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 account 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 account 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 | 1,258 contacts → | ||||
Indirect evidence “i-Process Services (India) Pvt.” 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 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 813 contacts → | ||||
Indirect evidence “Sourcefit is focused on providing custom offshore solutions.” 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 | 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. | |||||
| 13 | 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. | |||||
| 14 | 563 contacts → | ||||
Indirect evidence “BHub is a full back-office SaaS for startups & SMEs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 539 contacts → | ||||
Partial evidence “We are a proud and happy company that serves the outsourcing field with passion and commitment.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 508 contacts → | ||||
Indirect evidence “BDO Esnad- Egyptian Joint Stock Company and a member of BDO International Limited- is a leading Business Process Service Provider providing organizations with BPO services that…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 494 contacts → | ||||
Indirect evidence “Desde 1998 no Brasil, o Grupo SRM é referência em terceirização de serviços, oferecendo serviços especializados, capazes de melhorar a performance operacional e financeira da…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | 460 contacts → | ||||
Partial evidence “Staff Global Group is a group specialised in comprehensive staff outsourcing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 457 contacts → | ||||
Partial 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 | 377 contacts → | ||||
Indirect evidence “Tidak in Alphen aan den Rijn is het administratiekantoor voor startende ondernemers, zzp'ers, mkb en particulieren.” 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: account 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 account outsourcing services.
- Partial evidence
- Its own public description names part of account outsourcing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name account 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 34,451 account outsourcing services worldwide
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Account 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 account 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 account outsourcing services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “account 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 account 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 account 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, 38,993 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.
Account outsourcing services by location
128 lists · largest firstEvery Account outsourcing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Account outsourcing services based in the United States9,037
- Account outsourcing services based in the United Kingdom3,268
- Account outsourcing services based in Brazil2,795
- Account outsourcing services based in Canada1,703
- Account outsourcing services based in Australia1,537
- Account outsourcing services based in India1,324
- Account outsourcing services based in the Netherlands1,250
- Account outsourcing services based in Sweden624
- Account outsourcing services based in France615
- Account outsourcing services based in South Africa606
- Account outsourcing services based in Poland572
- Account outsourcing services based in Belgium395
- Account outsourcing services based in Denmark350
- Account outsourcing services based in the United Arab Emirates338
- Account outsourcing services based in Pakistan294
- Account outsourcing services based in the Philippines258
- Account outsourcing services based in Germany234
- Account outsourcing services based in Finland233
- Account outsourcing services based in Norway220
- Account outsourcing services based in New Zealand204
- Account outsourcing services based in Spain197
- Account outsourcing services based in Switzerland174
- Account outsourcing services based in Portugal168
- Account outsourcing services based in Ireland164
- Account outsourcing services based in Italy160
- Account outsourcing services based in Chile115
- Account outsourcing services based in Colombia101
- Account outsourcing services based in Peru101
- Account outsourcing services based in Mexico98
- Account outsourcing services based in Sri Lanka89
- Account outsourcing services based in Israel68
- Account outsourcing services based in Malaysia66
- Account outsourcing services based in Romania66
- Account outsourcing services based in Argentina65
- Account outsourcing services based in Hungary62
- Account outsourcing services based in Greece59
- Account outsourcing services based in Lithuania51
- Account outsourcing services based in Croatia45
- Account outsourcing services based in Austria40
- Account outsourcing services based in Costa Rica32
- Account outsourcing services based in Estonia32
Cities
- Account outsourcing services based in London, United Kingdom592
- Account outsourcing services based in Sao Paulo, Brazil459
- Account outsourcing services based in Ahmedabad, India234
- Account outsourcing services based in Dubai, United Arab Emirates231
- Account outsourcing services based in New York, United States226
- Account outsourcing services based in Toronto, Canada190
- Account outsourcing services based in Houston, United States152
- Account outsourcing services based in Los Angeles, United States140
- Account outsourcing services based in Melbourne, Australia135
- Account outsourcing services based in Stockholm, Sweden131
- Account outsourcing services based in Rio De Janeiro, Brazil129
- Account outsourcing services based in Austin, United States124
- Account outsourcing services based in Sydney, Australia124
- Account outsourcing services based in Johannesburg, South Africa121
- Account outsourcing services based in Calgary, Canada117
- Account outsourcing services based in Paris, France112
- Account outsourcing services based in Chicago, United States101
- Account outsourcing services based in Atlanta, United States99
- Account outsourcing services based in Miami, United States94
- Account outsourcing services based in Warszawa, Poland93
- Account outsourcing services based in Dallas, United States92
- Account outsourcing services based in Curitiba, Brazil90
- Account outsourcing services based in Belo Horizonte, Brazil89
- Account outsourcing services based in Cape Town, South Africa88
- Account outsourcing services based in San Diego, United States88
- Account outsourcing services based in Denver, United States83
- Account outsourcing services based in New Delhi, India80
- Account outsourcing services based in Vancouver, Canada78
- Account outsourcing services based in Mumbai, India75
- Account outsourcing services based in Manchester, United Kingdom71
- Account outsourcing services based in Auckland, New Zealand70
- Account outsourcing services based in Mississauga, Canada66
- Account outsourcing services based in Edmonton, Canada61
- Account outsourcing services based in Porto Alegre, Brazil61
- Account outsourcing services based in Montreal, Canada60
- Account outsourcing services based in Bangalore, India55
- Account outsourcing services based in Brisbane, Australia54
- Account outsourcing services based in Phoenix, United States54
- Account outsourcing services based in Portland, United States54
- Account outsourcing services based in Las Vegas, United States52
- Account outsourcing services based in Orlando, United States52
- Account outsourcing services based in Perth, Australia51
- Account outsourcing services based in San Antonio, United States51
- Account outsourcing services based in Delhi, India50
- Account outsourcing services based in San Francisco, United States50
- Account outsourcing services based in Tampa, United States50
- Account outsourcing services based in Ottawa, Canada49
- Account outsourcing services based in Seattle, United States49
- Account outsourcing services based in Sheridan, United States48
- Account outsourcing services based in Amsterdam, Netherlands47
- Account outsourcing services based in Campinas, Brazil47
- Account outsourcing services based in Charlotte, United States47
- Account outsourcing services based in Bristol, United Kingdom44
- Account outsourcing services based in Columbus, United States43
- Account outsourcing services based in Helsinki, Finland43
- Account outsourcing services based in Noida, India43
- Account outsourcing services based in Birmingham, United Kingdom40
- Account outsourcing services based in Raleigh, United States40
- Account outsourcing services based in Washington, United States40
- Account outsourcing services based in Oslo, Norway39
- Account outsourcing services based in Berlin, Germany37
- Account outsourcing services based in Minneapolis, United States37
- Account outsourcing services based in Guarulhos, Brazil36
- Account outsourcing services based in Vilnius, Lithuania35
- Account outsourcing services based in Winnipeg, Canada35
- Account outsourcing services based in Irvine, United States34
- Account outsourcing services based in Boston, United States32
- Account outsourcing services based in Jacksonville, United States32
- Account outsourcing services based in Nashville, United States32
- Account outsourcing services based in Barueri, Brazil31
- Account outsourcing services based in Tucson, United States31
- Account outsourcing services based in San Jose, United States30
- Account outsourcing services based in Salt Lake City, United States29
- Account outsourcing services based in Wilmington, United States29
- Account outsourcing services based in Colorado Springs, United States28
- Account outsourcing services based in Glasgow, United Kingdom28
- Account outsourcing services based in Indianapolis, United States28
- Account outsourcing services based in Leicester, United Kingdom28
- Account outsourcing services based in Adelaide, Australia27
- Account outsourcing services based in Greenville, United States27
- Account outsourcing services based in Caxias Do Sul, Brazil26
- Account outsourcing services based in Liverpool, United Kingdom26
- Account outsourcing services based in Birmingham, United States25
- Account outsourcing services based in Dublin, Ireland25
- Account outsourcing services based in Frisco, United States25
- Account outsourcing services based in Leeds, United Kingdom25
- Account 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 account 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 account outsourcing services are there worldwide?
RevenueBase identified 34,451 account 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 account outsourcing services?
The United States leads with 9,037 companies, followed by the United Kingdom (3,268) and Brazil (2,795). Every account outsourcing services list by country and city is linked on this page.
Which city has the most account outsourcing services?
London leads with 623 headquartered companies, followed by Sao Paulo (459) and Ahmedabad (235).
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 38,993 verified decision-maker contacts tracked across these 34,451 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.