Company lists · Data refreshed October 2026

Top 25 Call centre bureau services based in India

RevenueBase identified 228 company matches for call centre bureau services associated with India as of October 2026 and tracks 7,242 professional contacts across them, including 148 with verified work emails. Bangalore is the largest hub.

This list covers company matches for call centre bureau 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 October 19, 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 Oct 19, 2026 How this list was built
228Companies
7,242Contacts tracked
148Verified emails
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The 25 largest call centre bureau services based in India

Ranked by team size
Top 25 of 228 company matches for call centre bureau services based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 Oct 19, 20261,001-5,0001,095 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchJaipur, IndiaHQ recorded Oct 19, 2026501-1,000640 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 · Oct 19, 2026 · View company records in RevenueBase
3Exact matchThane, IndiaHQ recorded Oct 19, 202651-200192 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchNoida, IndiaHQ recorded Oct 19, 2026501-1,000188 contacts →

Exact match

“Radiate E Services Pvt.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Oct 19, 2026201-500167 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 · Oct 19, 2026 · View company records in RevenueBase
6Exact matchPune, IndiaHQ recorded Oct 19, 2026201-500158 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchPatna, IndiaHQ recorded Oct 19, 202611-50114 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 · Oct 19, 2026 · View company records in RevenueBase
8Exact matchNashik, IndiaHQ recorded Oct 19, 202651-20066 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 · Oct 19, 2026 · View company records in RevenueBase
9Exact matchNoida, IndiaHQ recorded Oct 19, 2026201-50066 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 · Oct 19, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Oct 19, 2026201-50066 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 · Oct 19, 2026 · View company records in RevenueBase
11Exact matchDelhi, IndiaHQ recorded Oct 19, 202611-5058 contacts →

Exact match

“A Leading Customer Service Outsourcing Company Offering the Most Reliable and Cost-Effective Business Process Outsourcing Solutions Major Services include- Call Answering and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchNew Delhi, IndiaHQ recorded Oct 19, 202651-20058 contacts →

Exact match

“At Call Connect India, we are a leading Call Center and Business Process Outsourcing (BPO) service provider, dedicated to helping businesses worldwide achieve their targets and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchGurgaon, IndiaHQ recorded Oct 19, 2026501-1,00058 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 · Oct 19, 2026 · View company records in RevenueBase
14Exact matchBangalore, IndiaHQ recorded Oct 19, 2026201-50056 contacts →

Exact match

“G7TS is a confluence of talent and expertise in the field of Customer Service, Client management and Operational delivery.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchBangalore, IndiaHQ recorded Oct 19, 202651-20048 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchKolkata, IndiaHQ recorded Oct 19, 2026201-50045 contacts →

Exact match

“Okay is among the pioneering names in the BPO and KPO industries of the country.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchMumbai, IndiaHQ recorded Oct 19, 20261,001-5,00039 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 · Oct 19, 2026 · View company records in RevenueBase
18Exact matchRajkot, IndiaHQ recorded Oct 19, 202651-20038 contacts →

Exact match

“Vbiz Solutions is a leading provider of BPO and Call Center services, specializing in Customer Care, Telecalling, Telemarketing, Virtual Assistant services, and Payment Collection.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchAurangabad, IndiaHQ recorded Oct 19, 202611-5031 contacts →

Exact match

“About SAYA INTELLICALL SAYA INTELLICALL is an IT & ITES partner dedicated to accelerating business growth, boosting productivity, and driving transformation.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchHyderabad, IndiaHQ recorded Oct 19, 2026201-50017 contacts →

Exact match

“Wingspan Global Solutions is an ISO 9001 – 2008 QMS certified Contact Center with Quality focused to give the best to our Clients.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchGurgaon, IndiaHQ recorded Oct 19, 2026201-50013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchBangalore, IndiaHQ recorded Oct 19, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchPune, IndiaHQ recorded Oct 19, 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 · Oct 19, 2026 · View company records in RevenueBase
24Exact matchPune, IndiaHQ recorded Oct 19, 202651-20011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchNoida, IndiaHQ recorded Oct 19, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 228 call centre bureau services based in India

See the full list, filter by size, metro and specialty, and access 148 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Call centre bureau services based in India at a glance

As of Oct 19, 2026
2.0%Verified-email coverage
31.8Average contacts per company
51-200Median size (employees)
9.6%Largest-city concentration · Bangalore
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
87
51-200
66
201-500
25
501-1,000
13
1,001-5,000
10
5,001-10,000
1
10001+
1

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 228 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 “call centre bureau 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 148 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 October 19, 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 “call centre bureau services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many call centre bureau services are there based in India?

RevenueBase identified 228 company matches for call centre bureau services associated with India as of October 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 call centre bureau services?

Bangalore leads with 22 company records, followed by Noida (18) and Kolkata (17).

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 148 professional contacts with verified work emails tracked across these 228 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 October 19, 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.