Company lists · Data refreshed September 2026

Top 25 Sales outsourcing call centers based in India

Name: Sales outsourcing call centers based in India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 15, 2026 953 companies tracked

RevenueBase identified 953 sales outsourcing call centers headquartered in India as of September 2026 and tracks 48,345 professional contacts across them, including 1,086 with verified work emails. Pune is the largest hub.

This list covers sales outsourcing call centers headquartered in 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 15, 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 15, 2026 86% judged on-target in blind review

953Companies

48,345Contacts tracked

1,086Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sales outsourcing call centers based in India

Ranked by team size

Top 25 of 953 sales outsourcing call centers based in India, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to sales outsourcing call centers: 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	Ienergizer	Partial evidence	Noida, IndiaHQ checked Sep 15, 2026	10001+	14,745 contacts →
	Partial evidence “iEnergizer is a leading Business Process Outsourcing provider (“BPO”) of customer management solutions dedicated to delivering performance while actively supporting and advocating…” Source: RevenueBase Database · checked Sep 15, 2026
2	Teleperformance Global Services	Indirect evidence	Kolkata, IndiaHQ checked Sep 15, 2026	1,001-5,000	3,346 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026
3	Technotask Business Solutions PVT LTD	Indirect evidence	Bhopal, IndiaHQ checked Sep 15, 2026	1,001-5,000	1,762 contacts →
	Indirect evidence “Transforming Customer Experiences Worldwide** At Technotask, we've embarked on a journey of exponential growth and innovation since our inception in March 2020.” Source: RevenueBase Database · checked Sep 15, 2026
4	Jindalx	Indirect evidence	New Delhi, IndiaHQ checked Sep 15, 2026	1,001-5,000	1,166 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 15, 2026
5	Hrhnext Services Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 15, 2026	1,001-5,000	1,076 contacts →
	Partial evidence “Even the markets know that we’re the good call’!” Source: RevenueBase Database · checked Sep 15, 2026
6	Imarque Solutions Pvt. LTD	Indirect evidence	Chennai, IndiaHQ checked Sep 15, 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 15, 2026
7	Girnar Care	Partial evidence	Jaipur, IndiaHQ checked Sep 15, 2026	501-1,000	649 contacts →
	Partial evidence “We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Source: RevenueBase Database · checked Sep 15, 2026
8	Taurus BPO Services India LLP	Partial evidence	Pune, IndiaHQ checked Sep 15, 2026	1,001-5,000	600 contacts →
	Partial evidence “Our services are credible and scalable Our Key Services Include-Customer service management -Data & business analytics -Sales & marketing -Supply chain services -Accounts payable…” Source: RevenueBase Database · checked Sep 15, 2026
9	Transcom India	Indirect evidence	Gurugram, IndiaHQ checked Sep 15, 2026	1,001-5,000	488 contacts →
	Indirect evidence “Welcome to the India page of Transcom!” Source: RevenueBase Database · checked Sep 15, 2026
10	Digitech Call System Pvt. LTD	Partial evidence	Noida, IndiaHQ checked Sep 15, 2026	5,001-10,000	467 contacts →
	Partial evidence “DigiTech is one of the fastest growing Outsourcing & Offsourcing company in Delhi/NCR.” Source: RevenueBase Database · checked Sep 15, 2026
11	Life At Ecpl	Strong evidence	Bengaluru, IndiaHQ checked Sep 15, 2026	1,001-5,000	455 contacts →
	Strong evidence “ExpertCallers, a Flatworld Solutions company, is a well-established and reputed modern day call center outsourcing company.” Source: RevenueBase Database · checked Sep 15, 2026
12	Mervice Infotech Pvt. LTD	Indirect evidence	Kolkata, IndiaHQ checked Sep 15, 2026	1,001-5,000	395 contacts →
	Indirect evidence “As a company with the potential to establish a strong foothold within the BPO domain Mervice promises to go beyond ensuring quality inbound and outbound services.” Source: RevenueBase Database · checked Sep 15, 2026
13	Navigant Technologies	Strong evidence	New Delhi, IndiaHQ checked Sep 15, 2026	201-500	284 contacts →
	Strong evidence “Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.” Source: RevenueBase Database · checked Sep 15, 2026
14	Eben Telecom Pvt. LTD	Indirect evidence	Kochi, IndiaHQ checked Sep 15, 2026	1,001-5,000	260 contacts →
	Indirect evidence “Eben Telecom, a team with a clear concept of Customer Retention Management was established in the year 1995 in Cochin, the business and financial hub of Kerala.” Source: RevenueBase Database · checked Sep 15, 2026
15	Ican BPO Pvt. LTD	Indirect evidence	Thane, IndiaHQ checked Sep 15, 2026	201-500	242 contacts →
	Indirect evidence “ICAN BPO Private Limited (ICAN) is a full service solutions provider with deep domain expertise in the areas of customer acquisition and retention across verticals.” Source: RevenueBase Database · checked Sep 15, 2026
16	T&n Business Services	Partial evidence	New Delhi, IndiaHQ checked Sep 15, 2026	1,001-5,000	196 contacts →
	Partial evidence “T&N Business Services, is the leading consulting, services, and business process outsourcing organization that envisioned and instigated the adoption of the flexible business…” Source: RevenueBase Database · checked Sep 15, 2026
17	Revclerx PVT LTD	Indirect evidence	Mohali, IndiaHQ checked Sep 15, 2026	51-200	185 contacts →
	Indirect evidence “RevClerx is a global provider for all needs for website designing, lead generation services, telemarketing services, lead qualification, web development, Digital marketing, and…” Source: RevenueBase Database · checked Sep 15, 2026
18	Radiate E Services PVT LTD	Indirect evidence	Noida, IndiaHQ checked Sep 15, 2026	501-1,000	184 contacts →
	Indirect evidence “Radiate E Services Pvt.” Source: RevenueBase Database · checked Sep 15, 2026
19	Excel Infoways LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 15, 2026	201-500	163 contacts →
	Indirect evidence “Excel Infoways Ltd is a Leading Customer Contact Centre providing Voice Based Services in the areas of Collections, Telemarketing and Customer Care.It offers a range of customer…” Source: RevenueBase Database · checked Sep 15, 2026
20	Infomatic Solutions	Partial evidence	Ahmedabad, IndiaHQ checked Sep 15, 2026	51-200	162 contacts →
	Partial evidence “Infomatic Solutions is a Business Process Outsourcing solution provider with a business office based in Ahmedabad, India.” Source: RevenueBase Database · checked Sep 15, 2026
21	ADA Tech Solutions PVT LTD	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	201-500	158 contacts →
	Indirect evidence “Nextgen CX services, explore fast, reliable, efficient on-demand services.” Source: RevenueBase Database · checked Sep 15, 2026
22	Finmech Business Services PVT LTD	Strong evidence	Navi Mumbai, IndiaHQ checked Sep 15, 2026	1,001-5,000	144 contacts →
	Strong evidence “Finmech Business Services Pvt Ltd is a leading AI-enabled BPO and Call Center services provider, helping businesses improve customer engagement, increase sales conversions, and…” Source: RevenueBase Database · checked Sep 15, 2026
23	The-Connections	Partial evidence	Pune, IndiaHQ checked Sep 15, 2026	201-500	141 contacts →
	Partial evidence “The Connections: End to end AI powered BPO solutions for lead generation, telecalling, customer support and sales: Connecting companies and customers with the right information…” Source: RevenueBase Database · checked Sep 15, 2026
24	Datamark India	Strong evidence	Chennai, IndiaHQ checked Sep 15, 2026	1,001-5,000	141 contacts →
	Strong evidence “DATAMARK Inc, a provider of omni-channel contact centers and business process outsourcing (BPO) services since 1989, employs more than at our facilities in the United States…” Source: RevenueBase Database · checked Sep 15, 2026
25	Convergys Call Centre	Indirect evidence	Thane, IndiaHQ checked Sep 15, 2026	51-200	140 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 15, 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: sales outsourcing call centers. 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 sales outsourcing call centers.
Partial evidence: Its own public description names part of sales outsourcing call centers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sales outsourcing call centers. 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 953 sales outsourcing call centers based in India

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,086 reachable decision-makers.

Free signup · no credit card

View the full list →

Sales outsourcing call centers based in India at a glance

As of Sep 15, 2026

2.2%Verified-email coverage

50.7Average contacts per company

11-50Median size (employees)

8.2%Largest-city concentration · Pune

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

181

11-50

396

51-200

217

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 953 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 sales outsourcing call centers, 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 India whose own description of what they do matches “sales outsourcing call centers”. 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 sales outsourcing call centers), 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 sales outsourcing call centers, and records with no verified work email. Companies headquartered outside India 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, 1,086 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 15, 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.

Sales outsourcing call centers by metro

Sales outsourcing call centers in Pune78
Sales outsourcing call centers in Noida67
Sales outsourcing call centers in Kolkata61
Sales outsourcing call centers in New Delhi56
Sales outsourcing call centers in Bangalore52
Sales outsourcing call centers in Mumbai48
Sales outsourcing call centers in Hyderabad45
Sales outsourcing call centers in Ahmedabad32

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 sales outsourcing call centers, 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 sales outsourcing call centers are there based in India?

RevenueBase identified 953 sales outsourcing call centers headquartered in 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?

Ienergizer, headquartered in Noida, tops this list with the largest team on record.

Which city has the most sales outsourcing call centers?

Pune leads with 78 headquartered companies, followed by Noida (67) and Kolkata (61).

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 1,086 verified decision-maker contacts tracked across these 953 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 15, 2026.

Ready to reach these companies? Verified emails and direct dials for all 953 sales outsourcing call centers based in India. Start with a free account, no credit card.

Download this list →

Related lists

Sales outsourcing call centers by geography

Browse the directory

Browse: Companies home · All India lists · All Sales outsourcing call centers lists · New lists

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.