Company lists · Data refreshed September 2026

Top 20 Software service providers based in Kolkata, India

Name: Software service providers based in Kolkata, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 144 companies tracked

RevenueBase identified 144 company matches for software service providers associated with Kolkata, India as of September 2026 and tracks 2,586 professional contacts across them, including 554 with verified work emails. Across India, Bangalore is the largest hub for this category (568 companies); Kolkata has 144.

This list covers company matches for software service providers 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 14, 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 14, 2026 How this list was built

144Companies

2,586Contacts tracked

554Verified emails

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The 20 largest software service providers based in Kolkata, India

Ranked by team size

Top 20 of 144 company matches for software service providers based in Kolkata, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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	Capital Numbers	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	501-1,000	641 contacts →
	Exact match “Capital Numbers – Transforming Businesses with AI, Cloud & Digital Engineering BSE-Listed \| 500+ Experts \| AI, Cloud, Data, System Integration & Custom Software Development We…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	Sentientgeeks	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	51-200	229 contacts →
	Exact match “Are you looking for professional & experienced offshore developers for promoting your brands digitally?” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Digital Aptech	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	201-500	192 contacts →
	Exact match “Digital Aptech Pvt.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	Maxbridge Solution LLP	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	66 contacts →
	Exact match “First of all let us take the opportunity to introduce Maxbridge Solutions.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Achievex Solutions Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	51-200	59 contacts →
	Exact match “AchieveX Solutions is a new-age company under the Startup India flagship that solely believes in entrenching innovation to your ideas and turning them into reality.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	Moresco Software Services Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	25 contacts →
	Exact match “Moresco Software is a knowledge company currently providing information technology solutions to help organizations achieve their goals with services ranging from Cloud IT…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7	Openweb Solutions	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	23 contacts →
	Exact match “Openweb Solutions is a technology service provider, providing analytics, cloud, web and mobility services to organizations across the globe.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Centreax Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	20 contacts →
	Exact match “Centreax Technologies a software development and consulting organization providing application development, security consulting and IT Managed services to a number of domestic and…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	Kalkey	Exact match	Kolkata, IndiaHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
10	Primawave Software Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	501-1,000	15 contacts →
	Exact match “Welcome to Primawave Software Private Limited, where we unleash the power of cutting-edge IT solutions to fuel your business's growth, efficiency, and success in the digital era.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Intouch Networks	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	51-200	15 contacts →
	Exact match “We specialize in delivering comprehensive cloud services and solutions tailored to meet the unique needs of businesses across industries.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12	SYS Edge Micro Informatics PVT LTD	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	51-200	12 contacts →
	Exact match “We at SYSTEM EDGE specialize in IT staff augmentation, software development & emerging technology services as a strategic partner to our clients in helping them drive their global…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13	Dharma.H Software Technologies Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	11 contacts →
	Exact match “At dharma.h, we believe in value creation through innovation.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Omniminds Consulting	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	11 contacts →
	Exact match “OmniMinds is an agentic AI development company.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Webzemini Software Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	10 contacts →
	Exact match “Webzemini Software established in 2009 and in 2012, we became a Private Limited Company.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16	Neonate Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	8 contacts →
	Exact match “We work hard to create, perform, deliver, plan, and transform your business as we contribute to the development of the new digital world.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17	Agile Innotech	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	8 contacts →
	Exact match “Agile Innotech, is a turnkey IT-Services and Solutions Provider based in Kolkata.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18	Tectes Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	7 contacts →
	Exact match “360 Degree IT Development and Support.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19	Mekhline Infotech Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	11-50	7 contacts →
	Exact match “Mekhline Infotech is a cloud computing company offering a comprehensive IT products and services.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20	Altechmind Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 14, 2026	1-10	1 contacts →
	Exact match “At Altechmind Technologies, we are a leading provider of cutting-edge technology solutions.” Recorded in the RevenueBase company graph · Sep 14, 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 “software service providers”. 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 20 of 144 software service providers based in Kolkata, India

See the full list, filter by size, metro and specialty, and access 554 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software service providers based in Kolkata, India at a glance

As of Sep 14, 2026

21.4%Verified-email coverage

18.0Average contacts per company

11-50Median size (employees)

Sep 14, 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 144 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 “software service providers” 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 554 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 14, 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.

Software service providers 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 “software service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software service providers are there based in Kolkata, India?

RevenueBase identified 144 company matches for software service providers 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?

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

Which city in India has the most software service providers?

Bangalore leads India with 568 company records, followed by Hyderabad (566) and Pune (555). Kolkata has 144.

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 554 professional contacts with verified work emails tracked across these 144 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 14, 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.