Company lists · Data refreshed September 2026

Top 10 Enterprise app modernization companies based in Kolkata, India

Name: Enterprise app modernization companies based in Kolkata, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 53 companies tracked

RevenueBase identified 53 company matches for enterprise app modernization companies associated with Kolkata, India as of September 2026 and tracks 1,590 professional contacts across them, including 349 with verified work emails. Across India, Ahmedabad is the largest hub for this category (197 companies); Kolkata has 53.

This list covers company matches for enterprise app modernization companies 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 September 28, 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 28, 2026 How this list was built

53Companies

1,590Contacts tracked

349Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 10 largest enterprise app modernization companies based in Kolkata, India

Ranked by team size

Top 10 of 53 company matches for enterprise app modernization companies based in Kolkata, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Indus NET Technologies INT	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	501-1,000	1,066 contacts →
	Exact match “For nearly three decades, Indus Net Technologies (INT.) has empowered global enterprises to build intelligent, secure, and scalable digital ecosystems -> transforming complexity…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Innoraft	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	51-200	145 contacts →
	Exact match “Innoraft is a digital engineering partner that helps enterprises build, modernize, and evolve large-scale digital platforms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	ADA Software RE Engineering Services Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “Over the years ADA Software has developed its expertise in the re-engineering and modernization of legacy application software and has delivered projects involving large and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Techwens	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “Techwens is the best Custom Enterprise Software Development Services in India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Kalkey	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “We are the top notch software training institute where we provide the live project to practice for industrial level job role courses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Wift CAP Solutions PVT LTD	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	51-200	18 contacts →
	Exact match “Wift Cap Solutions Pvt Ltd is a software services company based in Kolkata, India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Arisu APP Solutions Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Dotlinker	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “We are a software development company offering extensible and end-to-end software solutions, mobile applications, web applications, AI-driven platforms, enterprise portals…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Craftveda Technology	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Rishfotech Solutions	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “Since 2019, Rishfotech has been delivering enterprise-grade technology solutions that power digital transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “enterprise app modernization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 10 of 53 enterprise app modernization companies based in Kolkata, India

See the full list, filter by size, metro and specialty, and access 349 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Enterprise app modernization companies based in Kolkata, India at a glance

As of Sep 28, 2026

21.9%Verified-email coverage

30.0Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 53 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 “enterprise app modernization companies” 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 349 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 28, 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.

Enterprise app modernization companies by metro in India

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 “enterprise app modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise app modernization companies are there based in Kolkata, India?

RevenueBase identified 53 company matches for enterprise app modernization companies associated with Kolkata, 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?

Indus NET Technologies INT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in India has the most enterprise app modernization companies?

Ahmedabad leads India with 197 company records, followed by Hyderabad (196) and Pune (183). Kolkata has 53.

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 349 professional contacts with verified work emails tracked across these 53 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 53 enterprise app modernization companies based in Kolkata, India. Start with a free account, no credit card.

Download this list →

Related lists

Enterprise app modernization companies by geography

Browse the directory

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.