Company lists · Data refreshed November 2026

Top 15 Inbound sales call centers based in India

RevenueBase identified 194 company matches for inbound sales call centers associated with India as of November 2026 and tracks 6,677 professional contacts across them, including 124 with verified work emails. Kolkata is the largest hub.

This list covers company matches for inbound sales call centers associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
194Companies
6,677Contacts tracked
124Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 15 largest inbound sales call centers based in India

Ranked by team size
Top 15 of 194 company matches for inbound sales call centers based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHyderabad, IndiaHQ recorded Nov 5, 20261,001-5,0001,132 contacts →

Exact match

“Even the markets know that we’re the good call’!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchJaipur, IndiaHQ recorded Nov 5, 2026501-1,000681 contacts →

Exact match

“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchNew Delhi, IndiaHQ recorded Nov 5, 2026201-500297 contacts →

Exact match

“Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchNoida, IndiaHQ recorded Nov 5, 2026201-50079 contacts →

Exact match

“One Touch Solutions was founded in Melbourne, Australia and specializes all forms of call centre outsourcing services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchNashik, IndiaHQ recorded Nov 5, 202651-20078 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchGurgaon, IndiaHQ recorded Nov 5, 202651-20074 contacts →

Exact match

“Gandalf is an India-based BPO and outsourcing company providing sales outsourcing, customer service, B2B lead generation, back-office and education admissions services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBangalore, IndiaHQ recorded Nov 5, 2026201-50071 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchChennai, IndiaHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“ClearTouch, a TCN Company is a leading provider of cloud-based call center technology for enterprises, contact centers, BPOs, and collection agencies worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchPune, IndiaHQ recorded Nov 5, 202651-20016 contacts →

Exact match

“1.BPO & Call Center Services 2.Back office Support Services 3.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchPune, IndiaHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchNoida, IndiaHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Entirety Ventures is one of the leading B2B & B2C outbound telemarketing company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchHyderabad, IndiaHQ recorded Nov 5, 202651-2006 contacts →

Exact match

“SKOFT Technologies is fast growing provider of high quality customer contact center services along with software development and digital advertising solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202651-2003 contacts →

Exact match

“INDIANINCORP culture is embedded in the deeply rooted beliefs, values and norms shared by its employees.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBangalore, IndiaHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Hawks offers you polite, professional and affordable services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchPune, IndiaHQ recorded Nov 5, 202611-501 contacts →

Exact match

“Welcome to Just Small IT Hub Your Business Is Our Business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 15 of 194 inbound sales call centers based in India

See the full list, filter by size, metro and specialty, and access 124 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Inbound sales call centers based in India at a glance

As of Nov 5, 2026
1.9%Verified-email coverage
34.4Average contacts per company
11-50Median size (employees)
10.3%Largest-city concentration · Kolkata
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
78
51-200
56
201-500
14
501-1,000
11
1,001-5,000
6
5,001-10,000
2

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 194 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with India whose business descriptions match “inbound sales call centers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 124 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “inbound sales call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many inbound sales call centers are there based in India?

RevenueBase identified 194 company matches for inbound sales call centers associated with India as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Hrhnext Services Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most inbound sales call centers?

Kolkata leads with 20 company records, followed by Noida (19) and Bangalore (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 124 professional contacts with verified work emails tracked across these 194 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 194 inbound sales call centers based in India. Start with a free account, no credit card.

Download this list →

Related 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 SmartSearch, 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.