Company lists · Data refreshed September 2026

Top 25 Customer acquisition call centers based in India

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 550 companies tracked

RevenueBase identified 550 customer acquisition call centers headquartered in India as of September 2026 and tracks 10,732 professional contacts across them, including 273 with verified work emails. Pune is the largest hub.

This list covers customer acquisition 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 28, 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 28, 2026 86% judged on-target in blind review

550Companies

10,732Contacts tracked

273Verified emails

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The 25 largest customer acquisition call centers based in India

Ranked by team size

Top 25 of 550 customer acquisition call centers based in India, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to customer acquisition 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	Hrhnext Services Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 28, 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 28, 2026
2	Girnar Care	Strong evidence	Jaipur, IndiaHQ checked Sep 28, 2026	501-1,000	649 contacts →
	Strong evidence “We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Source: RevenueBase Database · checked Sep 28, 2026
3	Digitech Call System Pvt. LTD	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	5,001-10,000	467 contacts →
	Indirect evidence “DigiTech is one of the fastest growing Outsourcing & Offsourcing company in Delhi/NCR.” Source: RevenueBase Database · checked Sep 28, 2026
4	The Lead Market	Indirect evidence	Nagpur, IndiaHQ checked Sep 28, 2026	51-200	387 contacts →
	Indirect evidence “TLM empowers businesses to generate revenue through their qualified leads.” Source: RevenueBase Database · checked Sep 28, 2026
5	Eben Telecom Pvt. LTD	Partial evidence	Kochi, IndiaHQ checked Sep 28, 2026	1,001-5,000	260 contacts →
	Partial 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 28, 2026
6	Ican BPO Pvt. LTD	Strong evidence	Thane, IndiaHQ checked Sep 28, 2026	201-500	242 contacts →
	Strong 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 28, 2026
7	T&n Business Services	Indirect evidence	New Delhi, IndiaHQ checked Sep 28, 2026	1,001-5,000	196 contacts →
	Indirect 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 28, 2026
8	Revclerx PVT LTD	Indirect evidence	Mohali, IndiaHQ checked Sep 28, 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 28, 2026
9	Excel Infoways LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	163 contacts →
	Partial 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 28, 2026
10	BTB Venture Group	Indirect evidence	Pune, IndiaHQ checked Sep 28, 2026	51-200	158 contacts →
	Indirect evidence “We are a leading demand generation and lead generation company operating across the USA, Europe, India, Middle East, and Asia Pacific - we specialize in driving targeted leads and…” Source: RevenueBase Database · checked Sep 28, 2026
11	ADA Tech Solutions PVT LTD	Indirect evidence	Pune, IndiaHQ checked Sep 28, 2026	201-500	158 contacts →
	Indirect evidence “Nextgen CX services, explore fast, reliable, efficient on-demand services.” Source: RevenueBase Database · checked Sep 28, 2026
12	Finmech Business Services PVT LTD	Strong evidence	Navi Mumbai, IndiaHQ checked Sep 28, 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 28, 2026
13	Convergys Call Centre	Indirect evidence	Thane, IndiaHQ checked Sep 28, 2026	51-200	140 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
14	Impos Global	Indirect evidence	Pune, IndiaHQ checked Sep 28, 2026	51-200	85 contacts →
	Indirect evidence “Welcome to Impos Global - Your Gateway to Global Business Outsourcing Excellence!” Source: RevenueBase Database · checked Sep 28, 2026
15	Gandalf IT Services LLP	Partial evidence	Gurgaon, IndiaHQ checked Sep 28, 2026	51-200	71 contacts →
	Partial evidence “Gandalf Services is a full-service customer engagement centre that provides Inbound, Outbound, Back Office and Consulting Services for outsourced environments.” Source: RevenueBase Database · checked Sep 28, 2026
16	1touchsolutions	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	201-500	64 contacts →
	Partial evidence “One Touch Solutions was founded in Melbourne, Australia and specializes all forms of call centre outsourcing services.” Source: RevenueBase Database · checked Sep 28, 2026
17	Saletancy	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	63 contacts →
	Indirect evidence “Saletancy is a global sales and marketing company specializing in lead generation and appointment setting.” Source: RevenueBase Database · checked Sep 28, 2026
18	Mainstay Teleservices PVT LTD	Indirect evidence	Bangalore, IndiaHQ checked Sep 28, 2026	201-500	63 contacts →
	Indirect evidence “Mainstay offshore is an award winning offshore services provider providing Technical services in the areas of network, Dialup, browser, email, OS, hardware, software and web…” Source: RevenueBase Database · checked Sep 28, 2026
19	Omiz Solutions PVT LTD	Strong evidence	Nashik, IndiaHQ checked Sep 28, 2026	51-200	59 contacts →
	Strong evidence “Omiz Solutions is one stop solutions for Customer Service, Inbound Sales, Digital Marketing, Chat Support, Technical Support, CRM, Call Center, Google PPC, and Lead Generation We…” Source: RevenueBase Database · checked Sep 28, 2026
20	KIA BIZ	Partial evidence	Pune, IndiaHQ checked Sep 28, 2026	11-50	57 contacts →
	Partial evidence “KIA Biz provides a unique mechanism of connecting to your prospects and existing customers with a direct positive impact on your results.” Source: RevenueBase Database · checked Sep 28, 2026
21	Call Connect India Incorporated	Strong evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	56 contacts →
	Strong evidence “At Call Connect India, we are a leading Call Center and Business Process Outsourcing (BPO) service provider, dedicated to helping businesses worldwide achieve their targets and…” Source: RevenueBase Database · checked Sep 28, 2026
22	Tribiz India	Indirect evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	49 contacts →
	Indirect evidence “Tribiz India specializes in end-to-end lead generation and strategic client management.” Source: RevenueBase Database · checked Sep 28, 2026
23	Lead Street	Indirect evidence	Chennai, IndiaHQ checked Sep 28, 2026	11-50	49 contacts →
	Indirect evidence “Lead Street is an outsourced marketing company that provides sales qualified, cost effective B2B leads.” Source: RevenueBase Database · checked Sep 28, 2026
24	Mobile Telecommunications Limited	Partial evidence	Mumbai, IndiaHQ checked Sep 28, 2026	1,001-5,000	43 contacts →
	Partial evidence “Mobile Telecommunications Limited is a public incorporated company, listed at Bombay Stock Exchange and National Stock Exchange and is an offshore outsourced contact center…” Source: RevenueBase Database · checked Sep 28, 2026
25	Vbiz Solutions	Strong evidence	Rajkot, IndiaHQ checked Sep 28, 2026	51-200	38 contacts →
	Strong evidence “Vbiz Solutions is a leading provider of BPO and Call Center services, specializing in Customer Care, Telecalling, Telemarketing, Virtual Assistant services, and Payment Collection.” Source: RevenueBase Database · checked Sep 28, 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: customer acquisition 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 customer acquisition call centers.
Partial evidence: Its own public description names part of customer acquisition call centers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name customer acquisition 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 550 customer acquisition call centers based in India

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Customer acquisition call centers based in India at a glance

As of Sep 28, 2026

2.5%Verified-email coverage

19.5Average contacts per company

11-50Median size (employees)

17.6%Largest-city concentration · Pune

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

111

11-50

250

51-200

136

201-500

501-1,000

1,001-5,000

5,001-10,000

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 550 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 customer acquisition 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 “customer acquisition 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 customer acquisition 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 customer acquisition 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, 273 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 28, 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.

Customer acquisition call centers by metro

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 customer acquisition 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 customer acquisition call centers are there based in India?

RevenueBase identified 550 customer acquisition 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?

Hrhnext Services Limited, headquartered in Hyderabad, tops this list with the largest team on record.

Which city has the most customer acquisition call centers?

Pune leads with 97 headquartered companies, followed by Kolkata (37) and New Delhi (33).

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 273 verified decision-maker contacts tracked across these 550 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 28, 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.