Company lists · Data refreshed November 2026

Top 15 Mentoring organizations based in Kolkata, India

RevenueBase identified 203 company matches for mentoring organizations associated with Kolkata, India as of November 2026 and tracks 2,864 professional contacts across them, including 37 with verified work emails. Across India, Bangalore is the largest hub for this category (873 companies); Kolkata has 203.

This list covers company matches for mentoring organizations associated with Kolkata, 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 6, 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 6, 2026 How this list was built
203Companies
2,864Contacts tracked
37Verified emails
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The 15 largest mentoring organizations based in Kolkata, India

Ranked by team size
Top 15 of 203 company matches for mentoring organizations based in Kolkata, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchKolkata, IndiaHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“InterviewCall is where driven individuals come to master their skills and build thriving careers in web development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“CampusX is an online education platform built to bridge the industry-academia skill gap by providing quality online Mentorship programs in the field of data science.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Kolkata Ventures is a Indo-US collaboration to foster entrepreneurship through: Incubation: Our Virtual Incubation Programme is a structured module specifically designed to help…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“In today's fast-paced and competitive world, students face a multitude of challenges as they navigate their way through their academic and professional journeys.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Alien Brains is a research and development company headquartered in Kolkata mentoring students for a better tomorrow and redefining the event industry by delivering event…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“We work with high-impact entrepreneurs and business leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“We aim to catalyse grassroots change by supporting organisations in strategic consulting, program design, assessment and surveys, implementation of training & workshops and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Unlock Your Future with Whiteboard Consultants With over 20 years of expertise, Whiteboard Consultants is your trusted partner in college admissions, career advancement, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Be Smarter is a value based education venture to foster skill building for kids & passion building for professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Debapriya Mukhopadhyay Vision Research Institute & Foundation (DMVRI & F) is a beacon of educational excellence and research innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Change Mantras is a consulting group dedicated to OD and personal growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Drishtycone Ventures led by entrepreneurs who have built global businesses themselves, for entrepreneurs to help startups get off the ground.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Kritika Bagaria Associates (KBA) is an Independent Education Consultancy specialising in Career Counselling, Profile Building and College Admissions Consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“ASPIRE INFINITUS was conceived by two seasoned HR Professionals who wanted to set up a platform which would facilitate collaboration between Industry and Academia on a WIN-WIN…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKolkata, IndiaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“What does Bodhicitta mean?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 15 of 203 mentoring organizations based in Kolkata, India

See the full list, filter by size, metro and specialty, and access 37 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mentoring organizations based in Kolkata, India at a glance

As of Nov 6, 2026
1.3%Verified-email coverage
14.1Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
58
51-200
14
201-500
4
501-1,000
4
1,001-5,000
1

Email recency for this list is measured across the whole India list rather than for Kolkata, so it is reported there. Company counts and contact totals on this page are exact for Kolkata, over 203 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 Kolkata, India whose business descriptions match “mentoring organizations” 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 37 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 6, 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 “mentoring organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mentoring organizations are there based in Kolkata, India?

RevenueBase identified 203 company matches for mentoring organizations associated with Kolkata, 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?

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

Which city in India has the most mentoring organizations?

Bangalore leads India with 873 company records, followed by Mumbai (659) and New Delhi (575). Kolkata has 203.

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 37 professional contacts with verified work emails tracked across these 203 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 6, 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.