Company lists · Data refreshed September 2026

Top 25 Customer service outsourcing advisors based in Noida, India

Name: Customer service outsourcing advisors based in Noida, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 169 companies tracked

RevenueBase identified 169 customer service outsourcing advisors headquartered in Noida, India as of September 2026 and tracks 32,152 professional contacts across them, including 691 with verified work emails. Across India, Noida is the largest hub for this category.

This list covers customer service outsourcing advisors headquartered in Noida, 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

169Companies

32,152Contacts tracked

691Verified emails

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The 25 largest customer service outsourcing advisors based in Noida, India

Ranked by team size

Top 25 of 169 customer service outsourcing advisors based in Noida, India, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to customer service outsourcing advisors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Ienergizer	Strong evidence	Noida, IndiaHQ checked Sep 28, 2026	10001+	14,745 contacts →
	Strong evidence “iEnergizer is a leading Business Process Outsourcing provider (“BPO”) of customer management solutions dedicated to delivering performance while actively supporting and advocating…” Source: RevenueBase Database · checked Sep 28, 2026
2	Cogent E Services	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	10001+	7,313 contacts →
	Partial evidence “We are an end-to-end Customer Experience (CX) solutions provider offering omni-channel solutions along various customer interaction touch-points from customer sales and support…” Source: RevenueBase Database · checked Sep 28, 2026
3	Iccs -Business Process Management Company	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,202 contacts →
	Partial evidence “ICCS, a Business Process Outsourcing company, proposes to assist your setup by not only executing the typical outsourced BPO services, but by committing to provide the essential…” Source: RevenueBase Database · checked Sep 28, 2026
4	Intarvo Technologies Pvt. Limited	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	863 contacts →
	Indirect evidence “inTarvo stands for our core ideology of Delivering Value (inT+arvo=Integration + Value).” Source: RevenueBase Database · checked Sep 28, 2026
5	Ocube Services	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	591 contacts →
	Indirect evidence “At Ocube Services, we’re redefining the way businesses grow by offering cost-effective, transformative and tailored CX solutions.” Source: RevenueBase Database · checked Sep 28, 2026
6	Digitech Call System Pvt. LTD	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	5,001-10,000	467 contacts →
	Partial evidence “DigiTech is one of the fastest growing Outsourcing & Offsourcing company in Delhi/NCR.” Source: RevenueBase Database · checked Sep 28, 2026
7	MAS Callnet India Private Limited	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	401 contacts →
	Partial evidence “Mas Callnet is an AI-powered contact center accelerator helping brands turn customer interactions into measurable growth.” Source: RevenueBase Database · checked Sep 28, 2026
8	Nimbus BPO Limited	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	377 contacts →
	Indirect evidence “Nimbus BPO is open for small business to large business houses.” Source: RevenueBase Database · checked Sep 28, 2026
9	Reboot XP	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	245 contacts →
	Partial evidence “At reboot XP, we are not just another customer experience company; we are pioneers in the digital business service landscape, poised to revolutionize how businesses engage with…” Source: RevenueBase Database · checked Sep 28, 2026
10	Astra Business Services Pvt. LTD	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	201-500	242 contacts →
	Indirect evidence “AstraGlobal is a premier business process transformation company with an unwavering commitment to excellence, compliance, and innovation.” Source: RevenueBase Database · checked Sep 28, 2026
11	Acelerar Technologies PVT LTD	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	201 contacts →
	Partial evidence “We are Acelerar, an India-based BPO service provider, internationally acclaimed for providing efficient outsourcing and offshoring business solutions.” Source: RevenueBase Database · checked Sep 28, 2026
12	Radiate E Services PVT LTD	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	501-1,000	184 contacts →
	Indirect evidence “Radiate E Services Pvt.” Source: RevenueBase Database · checked Sep 28, 2026
13	3i Business Solutions	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	1,001-5,000	173 contacts →
	Partial evidence “3i Business Solutions is a trusted business services and customer experience management company, committed to helping organizations build deeper, smarter, and more meaningful…” Source: RevenueBase Database · checked Sep 28, 2026
14	Aurelius Corporate Solutions	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	501-1,000	119 contacts →
	Indirect evidence “Aurelius Corporate Solutions prides itself on being an Industry Insourcing Expert not bound by domains or industrial sectors.” Source: RevenueBase Database · checked Sep 28, 2026
15	Brainguru Technologies	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	95 contacts →
	Indirect evidence “Brainguru Technologies is a global AI and CRM consulting company headquartered in Noida, India, serving startups, real estate developers, and SMEs across the world.” Source: RevenueBase Database · checked Sep 28, 2026
16	Instant IT Technology	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	11-50	85 contacts →
	Partial evidence “Instantittechnology a global provider of Business Process Outsourcing solutions, provides end to end outsourcing services for its clients across the globe.” Source: RevenueBase Database · checked Sep 28, 2026
17	S3 Infotech Private Limited	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	83 contacts →
	Indirect evidence “We started as a group with varied experience and expertise in MICROSOFT BUSINESS SOLUTION and diverse Information Technology areas.” Source: RevenueBase Database · checked Sep 28, 2026
18	Aristotle Consultancy	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	76 contacts →
	Indirect evidence “Aristotle Consultancy is a one-stop consultancy firm for Startups, SMEs and Global Enterprises venturing in India.” Source: RevenueBase Database · checked Sep 28, 2026
19	1touchsolutions	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	201-500	64 contacts →
	Partial evidence “One Touch Solutions was founded in Melbourne, Australia and specializes all forms of call centre outsourcing services.” Source: RevenueBase Database · checked Sep 28, 2026
20	Livesalesman	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	201-500	61 contacts →
	Partial evidence “With over 18 years of experience, LiveSalesman is a leading provider of Outsourced Multilingual Sales and Customer Contact & BPO Solutions for businesses globally.” Source: RevenueBase Database · checked Sep 28, 2026
21	Contaque	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	58 contacts →
	Partial evidence “CONTAQUE™ \| Redefining Customer Experience with AI-Driven Omnichannel Solutions CONTAQUE™ is a trusted leader in Contact Center, Telecommunication and CX Solutions, empowering…” Source: RevenueBase Database · checked Sep 28, 2026
22	Viable Outsource Solution	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	52 contacts →
	Partial evidence “Viable Outsource Solution is an ISO 9001:2015 and IAF-certified Business Outsourcing Company, specializing in IT Outsourcing, Digital Marketing, Legal Outsourcing, and Virtual…” Source: RevenueBase Database · checked Sep 28, 2026
23	Workgen Solutions	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	11-50	42 contacts →
	Partial evidence “Workgen Solutions, founded in 2017, came into existence with a vision of providing high-quality business process outsourcing and back-office support services across the globe.” Source: RevenueBase Database · checked Sep 28, 2026
24	Kulsys Technologies	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	11-50	35 contacts →
	Partial evidence “We are proud to be as agile as we are customer-centric, with a focus on adding value to our clients.” Source: RevenueBase Database · checked Sep 28, 2026
25	Telus International India	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	n/a	22 contacts →
	Partial evidence “TELUS International (NYSE & TSX: TIXT) designs, builds, and delivers next-generation digital solutions to enhance the customer experience (CX) for global and disruptive brands.” Source: RevenueBase Database · checked Sep 28, 2026

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: customer service outsourcing advisors. 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 customer service outsourcing advisors.
Partial evidence: Its own public description names part of customer service outsourcing advisors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name customer service outsourcing advisors. 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 169 customer service outsourcing advisors based in Noida, India

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Customer service outsourcing advisors based in Noida, India at a glance

As of Sep 28, 2026

2.1%Verified-email coverage

190.2Average contacts per company

51-200Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole India list rather than for Noida, so it is reported there. Company counts and contact totals on this page are exact for Noida, over 169 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 customer service outsourcing advisors, 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 Noida, India whose own description of what they do matches “customer service outsourcing advisors”. 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 customer service outsourcing advisors), 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 customer service outsourcing advisors, and records with no verified work email. Companies headquartered outside Noida 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, 691 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 28, 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.

Customer service outsourcing advisors by metro in India

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 customer service outsourcing advisors, 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 customer service outsourcing advisors are there based in Noida, India?

RevenueBase identified 169 customer service outsourcing advisors headquartered in Noida, 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?

Ienergizer, headquartered in Noida, tops this list with the largest team on record.

Which city in India has the most customer service outsourcing advisors?

Noida leads India with 169 headquartered companies, followed by Bangalore (167) and New Delhi (153).

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 691 verified decision-maker contacts tracked across these 169 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 28, 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.