Company lists · Data refreshed September 2026

Top 12 24/7 call center operators based in India

RevenueBase identified 102 company matches for 24/7 call center operators associated with India as of September 2026 and tracks 2,968 professional contacts across them, including 49 with verified work emails. Noida is the largest hub.

This list covers company matches for 24/7 call center operators 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
102Companies
2,968Contacts tracked
49Verified emails
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The 12 largest 24/7 call center operators based in India

Ranked by team size
Top 12 of 102 company matches for 24/7 call center operators 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, 2026501-1,000184 contacts →

Exact match

“Radiate E Services Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchBangalore, IndiaHQ recorded Sep 27, 2026201-50063 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 · Sep 27, 2026 · View company records in RevenueBase
6Exact matchNashik, IndiaHQ recorded Sep 27, 202651-20059 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBangalore, IndiaHQ recorded Sep 27, 202651-20049 contacts →

Exact match

“Syrow is a 24x7 Customer Service provider for Businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchGurgaon, IndiaHQ recorded Sep 27, 2026501-1,00048 contacts →

Exact match

“At Tech Fi Technologies, we believe great customer experiences come from a perfect mix of human understanding and smart technology.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Sep 27, 20261,001-5,00043 contacts →

Exact match

“Mobile Telecommunications Limited is a public incorporated company, listed at Bombay Stock Exchange and National Stock Exchange and is an offshore outsourced contact center…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchPune, IndiaHQ recorded Sep 27, 202651-20011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAurangabad, IndiaHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Fabz Info Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Sep 27, 202611-502 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 12 of 102 24/7 call center operators based in India

See the full list, filter by size, metro and specialty, and access 49 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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24/7 call center operators based in India at a glance

As of Sep 27, 2026
1.7%Verified-email coverage
29.1Average contacts per company
51-200Median size (employees)
9.8%Largest-city concentration · Noida
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
34
51-200
35
201-500
8
501-1,000
7
1,001-5,000
5

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 102 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 “24/7 call center operators” 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 49 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 “24/7 call center operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many 24/7 call center operators are there based in India?

RevenueBase identified 102 company matches for 24/7 call center operators 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 24/7 call center operators?

Noida leads with 10 company records, followed by Hyderabad (8) and Kolkata (7).

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 49 professional contacts with verified work emails tracked across these 102 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.