Company lists · Data refreshed September 2026

Top 25 Outsource companies based in Chennai, India

Name: Outsource companies based in Chennai, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 237 companies tracked

RevenueBase identified 237 outsource companies headquartered in Chennai, India as of September 2026 and tracks 8,944 professional contacts across them, including 420 with verified work emails. Ahmedabad is the largest hub.

This list covers outsource companies headquartered in Chennai, India, 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.

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

237Companies

8,944Contacts tracked

420Verified emails

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The 25 largest outsource companies based in Chennai, India

Ranked by team size

Top 25 of 237 outsource companies based in Chennai, India, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsource companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ENOAH	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	1,001-5,000	1,163 contacts →
	Indirect evidence “eNoah is a boutique consulting-led integrated BPO and IT solutions company providing services to Fortune companies in the Integrated Health, Insurance, Manufacturing and…” Source: RevenueBase Database · checked Sep 21, 2026
2	Desicrew Solutions Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	1,001-5,000	955 contacts →
	Indirect evidence “DesiCrew is an Impact Sourcing service provider incubated out of IIT-Madras.” Source: RevenueBase Database · checked Sep 21, 2026
3	Imarque Solutions Pvt. LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	1,001-5,000	879 contacts →
	Indirect evidence “Started operation on 2004 with 25 employees, Currently iMarque has grown into a powerhouse of over professionals today, consistently achieving an impressive 40% average annual…” Source: RevenueBase Database · checked Sep 21, 2026
4	Cameo Corporate Services	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	201-500	527 contacts →
	Strong evidence “Cameo Corporate Services Limited is a Business Process Outsourcing firm headquartered in Chennai, India.” Source: RevenueBase Database · checked Sep 21, 2026
5	Compindia Infotech PVT LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	162 contacts →
	Indirect evidence “Compindia.in is the offshore development center for Indyzen.com, CompIndia.us and Appdevelopment.com.” Source: RevenueBase Database · checked Sep 21, 2026
6	Anantara Solutions PVT LTD	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	112 contacts →
	Strong evidence “With customers in 15 countries, Anantara Solutions is a new generation outsourcing firm that combines business consulting services and IT services to deliver unprecedented…” Source: RevenueBase Database · checked Sep 21, 2026
7	IV Support Technologies	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	201-500	88 contacts →
	Indirect evidence “iV Support Technologies emerged from the aspirations of a group of industry enthusiasts to provide efficient and effective business solutions to clients.” Source: RevenueBase Database · checked Sep 21, 2026
8	Avon Global Solutions Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	201-500	84 contacts →
	Indirect evidence “Avon Global Solutions Private Limited was established in 2003 with its corporate office in Chennai.” Source: RevenueBase Database · checked Sep 21, 2026
9	Dataprompt International	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	74 contacts →
	Strong evidence “DPI is a premier marketing research outsourcing company with state-of-the-art in-house resources, experienced and dedicated staff and advanced analytical capabilities that can…” Source: RevenueBase Database · checked Sep 21, 2026
10	Apzzo Technologies	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	57 contacts →
	Indirect evidence “Welcome to!” Source: RevenueBase Database · checked Sep 21, 2026
11	Infinire Innovative Software Solutions	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	52 contacts →
	Strong evidence “Infinire is a growing outsourcing IT service provider based in Chennai, India.” Source: RevenueBase Database · checked Sep 21, 2026
12	Mercflames Technologies PVT LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	44 contacts →
	Indirect evidence “Mercflames Technologies Private Limited is an offshore software development company in India with a global development center.” Source: RevenueBase Database · checked Sep 21, 2026
13	Version Technology Solutions	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	44 contacts →
	Indirect evidence “Version Technology solutions started in 2006 initially focusing on HR services, In 2008 VTS expanded its operations in SW development.” Source: RevenueBase Database · checked Sep 21, 2026
14	Antontech	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	43 contacts →
	Indirect evidence “Antontech was founded with the vision to support the demanding organization needs of managing enterprise data and business process while our clients can focus on strategic…” Source: RevenueBase Database · checked Sep 21, 2026
15	Interpro Global	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	31 contacts →
	Strong evidence “InterPro Global is a leader in SmartSourcing offering Business Process Outsourcing and Offshoring services to companies.” Source: RevenueBase Database · checked Sep 21, 2026
16	Spirosys	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	27 contacts →
	Indirect evidence “A privately owned KPO Company, formed in the year 2004, providing offshore services.” Source: RevenueBase Database · checked Sep 21, 2026
17	Schima Sysnet And Systems	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	27 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
18	Avighna Systems Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	24 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
19	India Intellisys Technology Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	23 contacts →
	Indirect evidence “INDIA INTELLISYS TECHNOLOGY PRIVATE LIMITED is an iT and BPO company.” Source: RevenueBase Database · checked Sep 21, 2026
20	Sundaram Business Service LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	22 contacts →
	Indirect evidence “Sundaram Business Services provides BPO back office services for customer lifecycle management, accounts payable, payroll, lending and insurance companies in addition to the call…” Source: RevenueBase Database · checked Sep 21, 2026
21	42andmore	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	22 contacts →
	Strong evidence “What We Do: At 42andmore, we help businesses accelerate their growth by helping them outsource - Marketing & video content production - CRM software & Cloud telephony solutions -…” Source: RevenueBase Database · checked Sep 21, 2026
22	Altech Star BPO Pvt. LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	201-500	20 contacts →
	Indirect evidence “Incorporated in October 2006 as a wholly owned subsidiary of ETA –Ascon Group, Altech Star BPO (Altech) offers complete suite of BPO services of voice and non –voice.” Source: RevenueBase Database · checked Sep 21, 2026
23	Jayathirees Business Solutions PVT LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	15 contacts →
	Indirect evidence “JAYATHIREES BUSINESS SOLUTIONS is an Emerging HR KPO Services provider, focusing on the growing needs of Statutory Compliance, Recruiting Professionals & Staffing Solutions in all…” Source: RevenueBase Database · checked Sep 21, 2026
24	Cognet HR Solution Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 21, 2026	51-200	14 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
25	Apiary Technologies India Pvt. LTD	Strong evidence	Chennai, IndiaHQ checked Sep 21, 2026	11-50	13 contacts →
	Strong evidence “We are a software development outsourcing company based in India, fully focused on providing a managed dedicated team for getting projects done quickly and efficiently!” Source: RevenueBase Database · checked Sep 21, 2026

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: outsource companies. 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 outsource companies.
Partial evidence: Its own public description names part of outsource companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name outsource companies. 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 237 outsource companies based in Chennai, India

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Outsource companies based in Chennai, India at a glance

As of Sep 21, 2026

4.7%Verified-email coverage

37.7Average contacts per company

11-50Median size (employees)

154.9%Largest-city concentration · Ahmedabad

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

101

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole India list rather than for Chennai, so it is reported there. Company counts and contact totals on this page are exact for Chennai, over 237 companies.

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 outsource companies, 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.
What qualifies: Companies headquartered in Chennai, India whose own description of what they do matches “outsource companies”. 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 outsource companies), 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 outsource companies, and records with no verified work email. Companies headquartered outside Chennai are excluded even when they keep an office there.
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, 420 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.

Outsource companies by metro in India

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 outsource companies, 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 outsource companies are there based in Chennai, India?

RevenueBase identified 237 outsource companies headquartered in Chennai, India 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?

ENOAH, headquartered in Chennai, tops this list with the largest team on record.

Which city has the most outsource companies?

Ahmedabad leads with 367 headquartered companies, followed by New Delhi (302) and Noida (296).

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 420 verified decision-maker contacts tracked across these 237 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.