Company lists · Data refreshed October 2026

Top 25 Business process outsourcing (bpo) services based in Mumbai, India

RevenueBase identified 146 company matches for business process outsourcing (bpo) services associated with Mumbai, India as of October 2026 and tracks 27,977 professional contacts across them, including 3,509 with verified work emails. Across India, Bangalore is the largest hub for this category (255 companies); Mumbai has 147.

This list covers company matches for business process outsourcing (bpo) services associated with Mumbai, India, 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 October 19, 2026.

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 Oct 19, 2026 How this list was built
146Companies
27,977Contacts tracked
3,509Verified emails
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The 25 largest business process outsourcing (bpo) services based in Mumbai, India

Ranked by team size
Top 25 of 146 company matches for business process outsourcing (bpo) services based in Mumbai, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 matchMumbai, IndiaHQ recorded Oct 19, 202610001+18,418 contacts →

Exact match

“Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company, is a global intelligence partner to enterprises across healthcare, banking and financial services…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchMumbai, IndiaHQ recorded Oct 19, 20265,001-10,0001,562 contacts →

Exact match

“Established in 2004, Capita India is part of Capita plc, the UK's No.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Oct 19, 202610001+1,464 contacts →

Exact match

“We’re Tech Mahindra Business Process Services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Oct 19, 2026501-1,000731 contacts →

Exact match

“Altius is a leading provider of Information Technology and BPO (Business Process Outsourcing) Services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Oct 19, 20265,001-10,000702 contacts →

Exact match

“We offer Business Process Services that are efficient, strategic, economical and deliver business outcomes beyond expectations.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Oct 19, 2026201-500258 contacts →

Exact match

“Pinnacle Global provides outsourcing/offshoring services to businesses all around the globe.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-200216 contacts →

Exact match

“FIRST, A LITTLE HISTORY.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Oct 19, 2026501-1,00089 contacts →

Exact match

“Business Process Outsourcing”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20074 contacts →

Exact match

“ALFA KPO PRIVATE LIMITED is a company based out of 704, GOLDEN CHAMBERS, OPP.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20069 contacts →

Exact match

“We founded Infinzi in 2017 with a vision to empower business owners to focus on strengthening the core competencies of their businesses.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20066 contacts →

Exact match

“Established in 2012, Anderson Business Solutions (Anderson BPO) provides comprehensive Finance & Accounting (F&A) outsourcing services to accounting firms & SME clients based in…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20042 contacts →

Exact match

“VonUp BPO is a provider of business process outsourcing services focusing on the voice and non-voice based segments.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20036 contacts →

Exact match

“Agate is a leading provider of highly differentiated business process outsourcing and technology services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Oct 19, 2026201-50031 contacts →

Exact match

“MedDirect BPO - We provide BPO services with multi-lingual support!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-5029 contacts →

Exact match

“Ratein Infotech India Private Limited incorporated in the year August with its roots that can be traced to the turn of this century.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-5024 contacts →

Exact match

“With our rich repertoire and a collective experience of 23 years in the field of backend support services and marketing & sales, Support direct India is a trusted Business Process…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20021 contacts →

Exact match

“ACCESS SYSTEMS (A Division of Sanneet Computers Pvt Ltd) is a fast growing Information Technology company in India engaged in Business Process Outsourcing Services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Oct 19, 20261,001-5,00020 contacts →

Exact match

“Sakash Group is a 38 year old well-established and professionally managed group in the field of business Support Services, Resource Management & Facility Management Services…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-5016 contacts →

Exact match

“Dexterous Solutions Ltd is a leading KPO focused on providing back-office solutions in the Accounting and HR domains.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Oct 19, 20261,001-5,00016 contacts →

Exact match

“Degain Group - Our Business is to support and facilitates yours Business.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchMumbai, IndiaHQ recorded Oct 19, 20261-1014 contacts →

Exact match

“Upgraft Corporation is a modern business solutions company built to help organizations scale efficiently by combining the strength of people, technology, and AI.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchMumbai, IndiaHQ recorded Oct 19, 202651-20013 contacts →

Exact match

“Kasyap iServe is an BPO based in Mumbai.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“Synergasia Business Solutions is a young and innovative business solutions company.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“Step-Up Business Services Pvt Ltd is a Unique Business Process Outsourcing company offering Innovative, Cost effective and Process Oriented Solutions to our Customers.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Oct 19, 202611-507 contacts →

Exact match

“The company is based in Mumbai, India, and offers business process outsourcing.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 146 business process outsourcing (bpo) services based in Mumbai, India

See the full list, filter by size, metro and specialty, and access 3,509 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business process outsourcing (bpo) services based in Mumbai, India at a glance

As of Oct 19, 2026
12.5%Verified-email coverage
191.6Average contacts per company
11-50Median size (employees)
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
63
51-200
28
201-500
7
501-1,000
9
1,001-5,000
5
5,001-10,000
5
10001+
3

Email recency for this list is measured across the whole India list rather than for Mumbai, so it is reported there. Company counts and contact totals on this page are exact for Mumbai, over 146 companies.

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.
What qualifies
Company records associated with Mumbai, India whose business descriptions match “business process outsourcing (bpo) services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 3,509 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 October 19, 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.

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 “business process outsourcing (bpo) services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business process outsourcing (bpo) services are there based in Mumbai, India?

RevenueBase identified 146 company matches for business process outsourcing (bpo) services associated with Mumbai, India as of October 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?

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

Which city in India has the most business process outsourcing (bpo) services?

Bangalore leads India with 255 company records, followed by Ahmedabad (175) and New Delhi (165). Mumbai has 147.

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 3,509 professional contacts with verified work emails tracked across these 146 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 October 19, 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.