Company lists · Data refreshed September 2026
Top 25 Cold calling centers based in India
RevenueBase identified 365 cold calling centers headquartered in India as of September 2026 and tracks 8,344 professional contacts across them, including 161 with verified work emails. Pune is the largest hub.
This list covers cold calling 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 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.
The 25 largest cold calling centers based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,076 contacts → | ||||
Indirect evidence “Even the markets know that we’re the good call’!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 467 contacts → | ||||
Indirect evidence “DigiTech is one of the fastest growing Outsourcing & Offsourcing company in Delhi/NCR.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 387 contacts → | ||||
Indirect evidence “TLM empowers businesses to generate revenue through their qualified leads.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 140 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 85 contacts → | ||||
Indirect evidence “Welcome to Impos Global - Your Gateway to Global Business Outsourcing Excellence!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 64 contacts → | ||||
Indirect evidence “One Touch Solutions was founded in Melbourne, Australia and specializes all forms of call centre outsourcing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 63 contacts → | ||||
Indirect evidence “Saletancy is a global sales and marketing company specializing in lead generation and appointment setting.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 59 contacts → | ||||
Partial 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 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 49 contacts → | ||||
Indirect evidence “Tribiz India specializes in end-to-end lead generation and strategic client management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “TeleDigitance is a total Business Solutions provider with services ranging from BPO & Content Conversion and Data Processing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Indirect evidence “Lead-ERS is a B2B marketing company that offers full-service lead generation, appointment setting, and data-related solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 14 contacts → | ||||
Partial evidence “Established in 2009, Reliable Communication is a preferred Outbound Call Center service provider for sales process outsourcing with expertise in telecalling services for in-bound…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Partial evidence “1.BPO & Call Center Services 2.Back office Support Services 3.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence “Solead Solutions was started with a vision to provide cost-effective, both telemarketing and digital marketing services without skimping on real quality or integrity.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Indirect evidence “Entirety Ventures is one of the leading B2B & B2C outbound telemarketing company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence “Info Assists Pvt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Cloud2Voice is a faster, consistent customer service with less cost and no hassle.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: cold calling 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 cold calling centers.
- Partial evidence
- Its own public description names part of cold calling centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cold calling 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 365 cold calling centers based in India
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Cold calling centers based in India at a glance
As of Sep 21, 2026Companies by employee count
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 365 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 cold calling 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 “cold calling 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 cold calling 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 cold calling 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, 161 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.
Cold calling centers by metro
- Cold calling centers in Pune65
- Cold calling centers in Kolkata30
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 cold calling 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 cold calling centers are there based in India?
RevenueBase identified 365 cold calling 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 cold calling centers?
Pune leads with 65 headquartered companies, followed by Kolkata (30) and New Delhi (24).
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 161 verified decision-maker contacts tracked across these 365 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.