Company lists · Data refreshed September 2026

Top 25 Offshore back office services worldwide

RevenueBase identified 4,226 offshore back office services worldwide as of September 2026 and tracks 106,151 professional contacts across them, including 11,545 with verified work emails. India is the largest market and Lahore the largest hub.

This list covers offshore back office 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 offshore back office 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
4,226Companies
106,151Contacts tracked
11,545Verified emails
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The 25 largest offshore back office services worldwide

Ranked by team size
Top 25 of 4,226 offshore back office services worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to offshore back office services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSouthport, AustraliaHQ checked Sep 21, 20261,001-5,0003,912 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceBerwyn, PA, United StatesHQ checked Sep 21, 20265,001-10,0002,774 contacts →

Indirect evidence

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceAustin, TX, United StatesHQ checked Sep 21, 202610001+2,231 contacts →

Indirect 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, 2026
4Indirect evidenceGuatemalaHQ checked Sep 21, 20265,001-10,0001,979 contacts →

Indirect evidence

“Regardless of your Company’s size (from Start-ups to Fortune 500), business vertical or service requirements, we act as a seamless extension of your team to help you grow, and…”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceSingaporeHQ checked Sep 21, 20265,001-10,0001,974 contacts →

Indirect evidence

“Empowering Global Brands Through Custom BPO Solutions Gear Inc delivers business process outsourcing solutions designed to meet the unique challenges of leading enterprises.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidencePune, IndiaHQ checked Sep 21, 2026501-1,0001,404 contacts →

Indirect evidence

“Worldline Global Services (WGS) is a fully owned Worldline subsidiary established in India in 2020 to support the Technology and Operation needs of the group.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceTucson, AZ, United StatesHQ checked Sep 21, 20261,001-5,0001,275 contacts →

Indirect evidence

“BroadPath provides transformational outsourcing and managed services powered by our one-of-a-kind, 100% remote business model.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceCiudad Autónoma De Buenos Aires, ArgentinaHQ checked Sep 21, 20261,001-5,0001,265 contacts →

Partial evidence

“Provincia NET part of the Provincia Group is Argentina’s leading offshore provider.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceMarlton, NJ, United StatesHQ checked Sep 21, 20261,001-5,0001,237 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceSt Petersburg, FL, RussiaHQ checked Sep 21, 20261,001-5,0001,198 contacts →

Partial evidence

“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceSantiago, ChileHQ checked Sep 21, 20265,001-10,0001,189 contacts →

Indirect evidence

“Cygnus comienza sus operaciones en Abril de 1998 con el objetivo de ofrecer servicios de Outsourcing con una propuesta de valor innovadora: entregar soluciones a la medida de los…”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceNew Delhi, IndiaHQ checked Sep 21, 20261,001-5,0001,166 contacts →

Indirect evidence

“JindalX, part of OP Jindal Group, is a global service company creating success stories for over 20 years.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidencePhoenix, AZ, United StatesHQ checked Sep 21, 20261,001-5,0001,048 contacts →

Indirect evidence

“Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceMakati, PhilippinesHQ checked Sep 21, 20261,001-5,0001,021 contacts →

Partial 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, 2026
15Indirect evidenceBangalore, IndiaHQ checked Sep 21, 20261,001-5,000995 contacts →

Indirect evidence

“At Invensis, we solve business inefficiencies.”

Source: RevenueBase Database · checked Sep 21, 2026
16Strong evidenceMedellín, ColombiaHQ checked Sep 21, 20261,001-5,000933 contacts →

Strong evidence

“Solvo is a strategic partner in North America which provides back-office support for US-based companies and turns it into our front office.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceCaracas, VenezuelaHQ checked Sep 21, 2026n/a865 contacts →

Indirect evidence

“Statistics first”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceQuezon City, PhilippinesHQ checked Sep 21, 20261,001-5,000813 contacts →

Partial evidence

“Sourcefit is focused on providing custom offshore solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
19Strong evidenceSanta Clara, CA, United StatesHQ checked Sep 21, 2026n/a676 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceAlexandria, EgyptHQ checked Sep 21, 20261,001-5,000623 contacts →

Indirect evidence

“Octopus Outsourcing is where extraordinary business process outsourcing solutions await you.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceChennai, IndiaHQ checked Sep 21, 2026201-500527 contacts →

Indirect evidence

“Cameo Corporate Services Limited is a Business Process Outsourcing firm headquartered in Chennai, India.”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceClark, PhilippinesHQ checked Sep 21, 20261,001-5,000517 contacts →

Partial evidence

“At Shore360, we do offshoring differently.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceCairo, EgyptHQ checked Sep 21, 20261,001-5,000508 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, 2026
24Indirect evidencePasig, PhilippinesHQ checked Sep 21, 202610001+496 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,000454 contacts →

Indirect evidence

“SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention |…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 4,226 offshore back office services worldwide

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Offshore back office services worldwide at a glance

As of Sep 21, 2026
10.9%Verified-email coverage
25.1Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Lahore
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
1,413
11-50
1,553
51-200
825
201-500
243
501-1,000
90
1,001-5,000
68
5,001-10,000
20
10001+
10

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 offshore back office 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 offshore back office services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “offshore back office 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 offshore back office 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 offshore back office 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, 11,545 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.

Offshore back office services by location

21 lists · largest first

Every Offshore back office services 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 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 offshore back office 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 offshore back office services are there worldwide?

RevenueBase identified 4,226 offshore back office 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?

TOA Global, headquartered in Southport, tops this list with the largest team on record.

Which country has the most offshore back office services?

India leads with 743 companies, followed by the United States (620) and the Philippines (308). Every offshore back office services list by country and city is linked on this page.

Which city has the most offshore back office services?

Lahore leads with 96 headquartered companies, followed by Ahmedabad (85) and London (56).

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 11,545 verified decision-maker contacts tracked across these 4,226 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.