Company lists · Data refreshed November 2026

Top 25 Back office accounting outsourcers worldwide

RevenueBase identified 15,077 company matches for back office accounting outsourcers worldwide as of November 2026 and tracks 126,513 professional contacts across them, including 22,328 with verified work emails. The United States is the largest market and Ahmedabad the largest hub.

This list covers company matches for back office accounting outsourcers worldwide, 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 November 6, 2026. Country and city lists for back office accounting outsourcers follow the table.

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 Nov 6, 2026 How this list was built
15,077Companies
126,513Contacts tracked
22,328Verified emails
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The 25 largest back office accounting outsourcers worldwide

Ranked by team size
Top 25 of 15,077 company matches for back office accounting outsourcers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSouthport, AustraliaHQ recorded Nov 6, 20261,001-5,0004,098 contacts →

Exact match

“Don’t wait until understaffing eats away at your productivity and client satisfaction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAustin, United StatesHQ recorded Nov 6, 202610001+2,320 contacts →

Exact match

“OUR PEOPLE, YOUR PRIORITIES Streamline your finance & accounting team at 50% cost savings with a team as small as one.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026501-1,0001,297 contacts →

Exact match

“We are a boutique outsourcing firm specializing in keeping our customers' databases up-to-date, accurate, and as robust as possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMarlton, United StatesHQ recorded Nov 6, 20261,001-5,0001,236 contacts →

Exact match

“SEBPO transforms operational complexity into a seamless, strategic advantage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMakati City, PhilippinesHQ recorded Nov 6, 20261,001-5,0001,228 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchManila, PhilippinesHQ recorded Nov 6, 2026501-1,000916 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRecife, BrazilHQ recorded Nov 6, 2026501-1,000883 contacts →

Exact match

“A Bernhoeft Contadores é uma empresa de atuação nacional que oferece terceirização de serviços contábeis para clientes de diversos portes e segmentos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAhmedabad, IndiaHQ recorded Nov 6, 20261,001-5,000841 contacts →

Exact match

“Confiance specializes in providing highly personalized business solutions in the areas of bookkeeping and accounting, financial planning, financial advisory, back office and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAhmedabad, IndiaHQ recorded Nov 6, 20261,001-5,000829 contacts →

Exact match

“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,000789 contacts →

Exact match

“Grupo BC es el líder en la externalización de procesos bancarios (BPO) tanto en el Sur de Europa como en Latinoamérica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,000762 contacts →

Exact match

“At Invensis, we solve business inefficiencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 2026n/a698 contacts →

Exact match

“Data Entry Solution is one of the leading back office solution providers based in California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIrving, TX, United StatesHQ recorded Nov 6, 2026201-500618 contacts →

Exact match

“Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPymble, AustraliaHQ recorded Nov 6, 2026501-1,000589 contacts →

Exact match

“AccSource is an ISO27001-certified business process outsourcing company specialising in accounting, operational, administrative and compliance business processes for all small to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCairo, EgyptHQ recorded Nov 6, 20261,001-5,000532 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNoida, IndiaHQ recorded Nov 6, 2026501-1,000527 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Isidro, PeruHQ recorded Nov 6, 2026501-1,000514 contacts →

Exact match

“En GesNext, an IBM Company, nos especializamos en Business Process Outsourcing (BPO), con foco en Recursos Humanos, Contabilidad & Finanzas y Automatización.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAustin, United StatesHQ recorded Nov 6, 2026501-1,000498 contacts →

Exact match

“Global Agility Solutions offers comprehensive onshore, offshore and hybrid Business Process Outsourcing (BPO) services and solutions focused on automating and advancing repeatable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNoida, IndiaHQ recorded Nov 6, 2026501-1,000497 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026501-1,000497 contacts →

Exact match

“We are OBP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHarrow, United KingdomHQ recorded Nov 6, 2026201-500490 contacts →

Exact match

“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCentral Business District, SingaporeHQ recorded Nov 6, 2026201-500484 contacts →

Exact match

“Expert accountants + simple software = financial admin, done.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDover, DE, United StatesHQ recorded Nov 6, 2026201-500476 contacts →

Exact match

“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBarcelona, SpainHQ recorded Nov 6, 2026501-1,000462 contacts →

Exact match

“Tessi IBERIA nace en 1.997 y aunque en el inicio se centra en la gestión hipotecaria, ya desde sus orígenes nace con unos valores fundamentales, que todavía hoy perviven, y…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCoventry, United KingdomHQ recorded Nov 6, 2026501-1,000460 contacts →

Exact match

“Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 15,077 back office accounting outsourcers worldwide

See the full list, filter by size, metro and specialty, and access 22,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Back office accounting outsourcers worldwide at a glance

As of Nov 6, 2026
17.6%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Ahmedabad
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
10,808
11-50
3,005
51-200
760
201-500
210
501-1,000
66
1,001-5,000
45
5,001-10,000
7
10001+
6

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for back office accounting outsourcers are linked below.
What qualifies
Company records worldwide whose business descriptions match “back office accounting outsourcers” 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. 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 22,328 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 November 6, 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.

Back office accounting outsourcers by location

68 lists · largest first

Every Back office accounting outsourcers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “back office accounting outsourcers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many back office accounting outsourcers are there worldwide?

RevenueBase identified 15,077 company matches for back office accounting outsourcers worldwide as of November 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?

TOA Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most back office accounting outsourcers?

The United States leads with 4,533 companies, followed by India (1,238) and Brazil (1,172). Every back office accounting outsourcers list by country and city is linked on this page.

Which city has the most back office accounting outsourcers?

Ahmedabad leads with 221 company records, followed by Sao Paulo (216) and London (207).

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 22,328 professional contacts with verified work emails tracked across these 15,077 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 November 6, 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.