Company lists · Data refreshed September 2026

Top 25 Outbound call centers services based in India

RevenueBase identified 709 company matches for outbound call centers services associated with India as of September 2026 and tracks 19,750 professional contacts across them, including 426 with verified work emails. Noida is the largest hub.

This list covers company matches for outbound call centers services 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 September 27, 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 Sep 27, 2026 How this list was built
709Companies
19,750Contacts tracked
426Verified emails
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The 25 largest outbound call centers services based in India

Ranked by team size
Top 25 of 709 company matches for outbound call centers services based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 20261,001-5,0001,076 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNoida, IndiaHQ recorded Sep 27, 20261,001-5,000863 contacts →

Exact match

“inTarvo stands for our core ideology of Delivering Value (inT+arvo=Integration + Value).”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchJaipur, IndiaHQ recorded Sep 27, 2026501-1,000649 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 · Sep 27, 2026 · View company records in RevenueBase
4Exact matchGurgaon, IndiaHQ recorded Sep 27, 20261,001-5,000488 contacts →

Exact match

“Welcome to the India page of Transcom!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNoida, IndiaHQ recorded Sep 27, 20265,001-10,000467 contacts →

Exact match

“DigiTech is one of the fastest growing Outsourcing & Offsourcing company in Delhi/NCR.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchBangalore, IndiaHQ recorded Sep 27, 20261,001-5,000455 contacts →

Exact match

“ExpertCallers, a Flatworld Solutions company, is a well-established and reputed modern day call center outsourcing company.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchKolkata, IndiaHQ recorded Sep 27, 20261,001-5,000395 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNew Delhi, IndiaHQ recorded Sep 27, 2026201-500284 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchJaipur, IndiaHQ recorded Sep 27, 2026501-1,000250 contacts →

Exact match

“VKALP is young and transparent BPO, operating out of Jaipur, India.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchThane, IndiaHQ recorded Sep 27, 2026201-500242 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchMohali, IndiaHQ recorded Sep 27, 202651-200185 contacts →

Exact match

“RevClerx is a global provider for all needs for website designing, lead generation services, telemarketing services, lead qualification, web development, Digital marketing, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Sep 27, 2026501-1,000184 contacts →

Exact match

“Radiate E Services Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchMumbai, IndiaHQ recorded Sep 27, 2026201-500163 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchAhmedabad, IndiaHQ recorded Sep 27, 202651-200162 contacts →

Exact match

“Infomatic Solutions is a Business Process Outsourcing solution provider with a business office based in Ahmedabad, India.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPune, IndiaHQ recorded Sep 27, 2026201-500158 contacts →

Exact match

“Nextgen CX services, explore fast, reliable, efficient on-demand services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchNavi Mumbai, IndiaHQ recorded Sep 27, 20261,001-5,000144 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchThane, IndiaHQ recorded Sep 27, 202651-200140 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNew Delhi, IndiaHQ recorded Sep 27, 2026201-500129 contacts →

Exact match

“Ebullient Services provides clients with successful business process outsourcing (BPO) solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchPatna, IndiaHQ recorded Sep 27, 202611-50110 contacts →

Exact match

“NORTHERN IT SERVICES PRIVATE LIMITED is a company based out of BESIDES 9 TO 9 SUPER MARKET, RAMNAGARI MORE SHIANA DIGHA ROAD, PATNA, Bihar, India.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchAhmedabad, IndiaHQ recorded Sep 27, 202651-200108 contacts →

Exact match

“Established in 2008, Mazda Consultancy Services Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchDelhi, IndiaHQ recorded Sep 27, 202651-20097 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchNew Delhi, IndiaHQ recorded Sep 27, 2026501-1,00096 contacts →

Exact match

“MIST IT Services Private Limited is a business solutions company helping organisations manage critical business processes through verification, operational and technology…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchNew Deli, IndiaHQ recorded Sep 27, 2026201-50075 contacts →

Exact match

“DK business patron Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchGurgaon, IndiaHQ recorded Sep 27, 202651-20071 contacts →

Exact match

“Gandalf Services is a full-service customer engagement centre that provides Inbound, Outbound, Back Office and Consulting Services for outsourced environments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchNoida, IndiaHQ recorded Sep 27, 2026201-50064 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 · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 709 outbound call centers services based in India

See the full list, filter by size, metro and specialty, and access 426 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outbound call centers services based in India at a glance

As of Sep 27, 2026
2.2%Verified-email coverage
27.9Average contacts per company
11-50Median size (employees)
8.5%Largest-city concentration · Noida
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
120
11-50
287
51-200
180
201-500
68
501-1,000
24
1,001-5,000
23
5,001-10,000
4
10001+
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 709 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 “outbound call centers services” 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 426 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 September 27, 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 “outbound call centers services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outbound call centers services are there based in India?

RevenueBase identified 709 company matches for outbound call centers services associated with India as of September 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 outbound call centers services?

Noida leads with 60 company records, followed by Pune (60) and Kolkata (54).

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 426 professional contacts with verified work emails tracked across these 709 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 September 27, 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 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.