Company lists · Data refreshed September 2026

Top 25 Telemarketing call centers based in India

Name: Telemarketing 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 617 companies tracked

RevenueBase identified 617 telemarketing call centers headquartered in India as of September 2026 and tracks 11,111 professional contacts across them, including 299 with verified work emails. Pune is the largest hub.

This list covers telemarketing 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

617Companies

11,111Contacts tracked

299Verified emails

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The 25 largest telemarketing call centers based in India

Ranked by team size

Top 25 of 617 telemarketing 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 telemarketing 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 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
2	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
3	Digitech Call System Pvt. LTD	Indirect evidence	Noida, IndiaHQ checked Sep 15, 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 15, 2026
4	The Lead Market	Indirect evidence	Nagpur, IndiaHQ checked Sep 15, 2026	51-200	387 contacts →
	Indirect evidence “TLM empowers businesses to generate revenue through their qualified leads.” Source: RevenueBase Database · checked Sep 15, 2026
5	Inventive SMI	Indirect evidence	IndiaHQ checked Sep 15, 2026	201-500	339 contacts →
	Indirect evidence “Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.” Source: RevenueBase Database · checked Sep 15, 2026
6	Revclerx PVT LTD	Partial evidence	Mohali, IndiaHQ checked Sep 15, 2026	51-200	185 contacts →
	Partial 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
7	BTB Venture Group	Indirect evidence	Pune, IndiaHQ checked Sep 15, 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 15, 2026
8	Convergys Call Centre	Indirect evidence	Thane, IndiaHQ checked Sep 15, 2026	51-200	140 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026
9	Impos Global	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	51-200	85 contacts →
	Indirect evidence “Welcome to Impos Global - Your Gateway to Global Business Outsourcing Excellence!” Source: RevenueBase Database · checked Sep 15, 2026
10	Mandit Solutions	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	51-200	82 contacts →
	Indirect evidence “Mandit Solutions is a leading B-2-B company, providing excellent result-oriented services in the field of Marketing, outsourcing and IT technologies.” Source: RevenueBase Database · checked Sep 15, 2026
11	Saletancy	Indirect evidence	Noida, IndiaHQ checked Sep 15, 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 15, 2026
12	Mainstay Teleservices PVT LTD	Indirect evidence	Bangalore, IndiaHQ checked Sep 15, 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 15, 2026
13	Omiz Solutions PVT LTD	Strong evidence	Nashik, IndiaHQ checked Sep 15, 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 15, 2026
14	Tribiz India	Indirect evidence	New Delhi, IndiaHQ checked Sep 15, 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 15, 2026
15	Lead Street	Indirect evidence	Chennai, IndiaHQ checked Sep 15, 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 15, 2026
16	Leadshuttle B2B Lead Generation Company	Indirect evidence	Hyderabad, IndiaHQ checked Sep 15, 2026	11-50	48 contacts →
	Indirect evidence “LeadShuttle is a modern B2B Lead Generation & Appointment Setting agency that helps businesses build predictable, scalable sales pipelines.” Source: RevenueBase Database · checked Sep 15, 2026
17	Vconnect Idees Services	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	11-50	46 contacts →
	Indirect evidence “vConnect iDees is a fast-growing B2B lead generation company based in Pune, India.” Source: RevenueBase Database · checked Sep 15, 2026
18	Saya Intellicall	Indirect evidence	Aurangabad, IndiaHQ checked Sep 15, 2026	11-50	33 contacts →
	Indirect evidence “About SAYA INTELLICALL SAYA INTELLICALL is an IT & ITES partner dedicated to accelerating business growth, boosting productivity, and driving transformation.” Source: RevenueBase Database · checked Sep 15, 2026
19	Prospit Marketing PVT LTD	Indirect evidence	Bengaluru, IndiaHQ checked Sep 15, 2026	11-50	27 contacts →
	Indirect evidence “Prospit Marketing is a B2B & B2C Lead Generation, Demand Generation company offering an array of solutions that are customized, competitive & consequential.” Source: RevenueBase Database · checked Sep 15, 2026
20	Vipnak Ites	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	51-200	26 contacts →
	Indirect evidence “Vipnak is a leading B2B Lead Generation and Demand Generation company delivering high-impact IT and ITES solutions for 2026 and beyond.” Source: RevenueBase Database · checked Sep 15, 2026
21	Climax BPM	Indirect evidence	Jaipur, IndiaHQ checked Sep 15, 2026	11-50	26 contacts →
	Indirect evidence “Founded in 2015 and headquartered in Jaipur, India, Climax BPM supports UK & Australia–focused businesses that rely on qualified enquiries, structured verification, and…” Source: RevenueBase Database · checked Sep 15, 2026
22	Upturnly	Indirect evidence	Udaipur, IndiaHQ checked Sep 15, 2026	11-50	24 contacts →
	Indirect evidence “At Upturnly, we believe predictable growth starts with real conversations, not noise.” Source: RevenueBase Database · checked Sep 15, 2026
23	B2B Drive	Indirect evidence	Chennai, IndiaHQ checked Sep 15, 2026	11-50	24 contacts →
	Indirect evidence “Book meetings with decision makers in your target market and turn them into profitable clients today!” Source: RevenueBase Database · checked Sep 15, 2026
24	Corival Analytics Solution Pvt. LTD	Indirect evidence	Dharashiv (osmanabad), IndiaHQ checked Sep 15, 2026	11-50	23 contacts →
	Indirect evidence “Corival Analytics Solution founded by mission to make lead generation and research process easy.” Source: RevenueBase Database · checked Sep 15, 2026
25	Echopeak Solutions	Indirect evidence	Manipal, IndiaHQ checked Sep 15, 2026	51-200	22 contacts →
	Indirect evidence “EchoPeak Solutions is a business process outsourcing (BPO) company that offers a wide range of services, including sales outsourcing and other business process services.” 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: telemarketing 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 telemarketing call centers.
Partial evidence: Its own public description names part of telemarketing call centers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telemarketing 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 617 telemarketing call centers based in India

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Telemarketing call centers based in India at a glance

As of Sep 15, 2026

2.7%Verified-email coverage

18.0Average contacts per company

11-50Median size (employees)

20.9%Largest-city concentration · Pune

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

146

11-50

286

51-200

141

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 617 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 telemarketing 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 “telemarketing 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 telemarketing 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 telemarketing 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, 299 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.

Telemarketing call centers by metro

Telemarketing call centers in Pune129
Telemarketing call centers in Kolkata37
Telemarketing call centers in New Delhi33
Telemarketing call centers in Mumbai31
Telemarketing call centers in Noida31
Telemarketing call centers in Bangalore25

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 telemarketing 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 telemarketing call centers are there based in India?

RevenueBase identified 617 telemarketing 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 telemarketing call centers?

Pune leads with 129 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 299 verified decision-maker contacts tracked across these 617 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.

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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.