Company lists · Data refreshed September 2026
Top 25 Outsourcing development companies based in Kolkata, India
RevenueBase identified 226 company matches for outsourcing development companies associated with Kolkata, India as of September 2026 and tracks 2,662 professional contacts across them, including 404 with verified work emails. Across India, Pune is the largest hub for this category (760 companies); Kolkata has 226.
This list covers company matches for outsourcing development 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 21, 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.
The 25 largest outsourcing development companies based in Kolkata, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 229 contacts → | ||||
Exact match “Are you looking for professional & experienced offshore developers for promoting your brands digitally?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 192 contacts → | ||||
Exact match “Digital Aptech Pvt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 122 contacts → | ||||
Exact match “Citytech Software is a Kolkata, India-based premier Software Development and IT Consulting company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 99 contacts → | ||||
Exact match “Nimbus Systems is a leading Offshore and Onsite Software Solutions & IT Service provider present in 10 countries, including India, UAE, Europe, and the US.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 86 contacts → | ||||
Exact match “Founded in mid-2011, Webgen Technologies is a technologically advanced, people-centric, ambitious & customer-focused company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 83 contacts → | ||||
Exact match “EXCELLIS IT is one of the leading service providers in the field of Information Technology that has been instrumental in catering tailored telemarketing outsourcing services along…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 74 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 71 contacts → | ||||
Exact match “At Formindz we strive to offer you a broad experience with industry leading development practices and innovation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 66 contacts → | ||||
Exact match “First of all let us take the opportunity to introduce Maxbridge Solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 57 contacts → | ||||
Exact match “Blue Copper Technologies is a global Information Technology & Software Engineering company committed to creating value and delivering tangible business outcomes for large…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 55 contacts → | ||||
Exact match “Founded in 1992, Albatross Software Services Pvt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 45 contacts → | ||||
Exact match “Webmaa is your digital partner for innovative web, mobile, and cloud solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 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 21, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “RNJ Consultancy Services is a web, software development and consulting firm providing customized solutions to businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 27 contacts → | ||||
Exact match “Swastik Infotech is an India based IT company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “Websadroit is one of the leading web development companies in India, offering offshore web development services for all kinds of businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 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 21, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “Welcome to ITRIX IT Solutions Pvt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 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 21, 2026 · View company records in RevenueBase | |||||
| 20 | 17 contacts → | ||||
Exact match “Unnatim India Limited is a Software company in India.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match “Kavyant Tech is a software product engineering company, and believes in Quality Developers and Quality Development across all phases of the Software Development Lifecycle.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 17 contacts → | ||||
Exact match “Dignexus is a Reliable IT Outsourcing Service Provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “cattlefield™ (Cattlefield Technologies India Private Limited) a fast growing company with divisions of Software Development, Information and Cyber Security, Training and Skill…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 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 21, 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 “outsourcing development 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 25 of 226 outsourcing development companies based in Kolkata, India
See the full list, filter by size, metro and specialty, and access 404 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Outsourcing development companies based in Kolkata, India at a glance
As of Sep 21, 2026Companies by employee count
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 226 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 “outsourcing development 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 404 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 21, 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.
Outsourcing development companies by metro in India
- Outsourcing development companies in Pune760
- Outsourcing development companies in Hyderabad757
- Outsourcing development companies in Bangalore751
- Outsourcing development companies in Ahmedabad738
- Outsourcing development companies in Noida555
- Outsourcing development companies in Chennai451
- Outsourcing development companies in New Delhi367
- Outsourcing development companies in Surat328
- Outsourcing development companies in Mumbai296
- Outsourcing development companies in Jaipur287
- Outsourcing development companies in Indore278
- Outsourcing development companies in Mohali214
- Outsourcing development companies in Gurgaon187
- Outsourcing development companies in Delhi183
- Outsourcing development companies in Coimbatore144
- Outsourcing development companies in Lucknow128
- Outsourcing development companies in Kochi120
- Outsourcing development companies in Rajkot115
- Outsourcing development companies in Nagpur102
- Outsourcing development companies in Vadodara102
- Outsourcing development companies in Bhubaneswar93
- Outsourcing development companies in Trivandrum72
- Outsourcing development companies in Chandigarh71
- Outsourcing development companies in Ahmadabad65
- Outsourcing development companies in Ghaziabad54
- Outsourcing development companies in Navi Mumbai54
- Outsourcing development companies in Gandhinagar35
- Outsourcing development companies in Madurai34
- Outsourcing development companies in Visakhapatnam34
- Outsourcing development companies in Faridabad27
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 “outsourcing development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many outsourcing development companies are there based in Kolkata, India?
RevenueBase identified 226 company matches for outsourcing development 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?
Sentientgeeks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in India has the most outsourcing development companies?
Pune leads India with 760 company records, followed by Hyderabad (757) and Bangalore (751). Kolkata has 226.
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 404 professional contacts with verified work emails tracked across these 226 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 226 outsourcing development companies based in Kolkata, India. Start with a free account, no credit card.
Download this list →Related lists
Outsourcing development companies by geography
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh
- Outsourcing development companies based in Sarajevo, Bosnia and Herzegovina
- Outsourcing development companies based in Belo Horizonte, Brazil
- Outsourcing development companies based in Curitiba, Brazil
- Outsourcing development companies based in Porto Alegre, Brazil
- Outsourcing development companies based in Rio De Janeiro, Brazil
- Outsourcing development companies based in Sao Paulo, Brazil
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh
Company intelligence · public preview
Top 25 outsourcing development companies based in Kolkata, India
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 226 matching company records for outsourcing development companies based in Kolkata, India, with 2,662 tracked contacts and 404 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 outsourcing development companies based in Kolkata, India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sentientgeekssentientgeeks.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 229 contacts → |
“Are you looking for professional & experienced offshore developers for promoting your brands digitally?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Digital Aptechdigitalaptech.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 192 contacts → |
“Digital Aptech Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Citytech Software Microsoft Gold Partnercitytechcorp.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 122 contacts → |
“Citytech Software is a Kolkata, India-based premier Software Development and IT Consulting company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Nimbus Systems PVT LTDnimbussystems.co.inHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 99 contacts → |
“Nimbus Systems is a leading Offshore and Onsite Software Solutions & IT Service provider present in 10 countries, including India, UAE, Europe, and the US.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Webgen Technologieswebgentechnologies.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 86 contacts → |
“Founded in mid-2011, Webgen Technologies is a technologically advanced, people-centric, ambitious & customer-focused company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Excellis ITexcellisit.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 83 contacts → |
“EXCELLIS IT is one of the leading service providers in the field of Information Technology that has been instrumental in catering tailored telemarketing outsourcing services along…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Esoft Technology Solutionsesoftech.comHQ: Kolkata, IndiaReported employees: Not recorded | Kolkata, India | Not recorded | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Fortmindzfortmindz.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 71 contacts → |
“At Formindz we strive to offer you a broad experience with industry leading development practices and innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Maxbridge Solution LLPmaxbridgesolution.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 66 contacts → |
“First of all let us take the opportunity to introduce Maxbridge Solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Blue Copper Technologies PVT LTDbluecoppertech.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 57 contacts → |
“Blue Copper Technologies is a global Information Technology & Software Engineering company committed to creating value and delivering tangible business outcomes for large…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Albatross Software Services Private Limitedalbatrossoft.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 55 contacts → |
“Founded in 1992, Albatross Software Services Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Webmaawebmaa.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 45 contacts → |
“Webmaa is your digital partner for innovative web, mobile, and cloud solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ADA Software RE Engineering Services Pvt. LTDadasoftware.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 39 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  RNJ Consultancy Servicesrnjcs.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 28 contacts → |
“RNJ Consultancy Services is a web, software development and consulting firm providing customized solutions to businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Swastik Infotech Servicessiplnet.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 27 contacts → |
“Swastik Infotech is an India based IT company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Websadroitwebsadroit.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 21 contacts → |
“Websadroit is one of the leading web development companies in India, offering offshore web development services for all kinds of businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Centreax Technologiescentreax.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Centreax Technologies a software development and consulting organization providing application development, security consulting and IT Managed services to a number of domestic and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Itrix IT Solutions Pvt. LTDitrix.bizHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Welcome to ITRIX IT Solutions Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Wift CAP Solutions PVT LTDwiftcap.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“Wift Cap Solutions Pvt Ltd is a software services company based in Kolkata, India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Unnatimunnatim.inHQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 17 contacts → |
“Unnatim India Limited is a Software company in India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kavyant Technologieskavyant.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“Kavyant Tech is a software product engineering company, and believes in Quality Developers and Quality Development across all phases of the Software Development Lifecycle.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Dignexusdignexus.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 17 contacts → |
“Dignexus is a Reliable IT Outsourcing Service Provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Arisu APP Solutions Pvt. LTDarisuappsolutions.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Cattlefield Technologiescattlefield.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 15 contacts → |
“cattlefield™ (Cattlefield Technologies India Private Limited) a fast growing company with divisions of Software Development, Information and Cyber Security, Training and Skill…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Dotlinkerdotlinkertech.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 14 contacts → |
“We are a software development company offering extensible and end-to-end software solutions, mobile applications, web applications, AI-driven platforms, enterprise portals…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 226 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Outsourcing development companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
226 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 226 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Outsourcing development companies by metro in India
- Outsourcing development companies in Pune760
- Outsourcing development companies in Hyderabad757
- Outsourcing development companies in Bangalore751
- Outsourcing development companies in Ahmedabad738
- Outsourcing development companies in Noida555
- Outsourcing development companies in Chennai451
- Outsourcing development companies in New Delhi367
- Outsourcing development companies in Surat328
- Outsourcing development companies in Mumbai296
- Outsourcing development companies in Jaipur287
- Outsourcing development companies in Indore278
- Outsourcing development companies in Mohali214
- Outsourcing development companies in Gurgaon187
- Outsourcing development companies in Delhi183
- Outsourcing development companies in Coimbatore144
- Outsourcing development companies in Lucknow128
- Outsourcing development companies in Kochi120
- Outsourcing development companies in Rajkot115
- Outsourcing development companies in Nagpur102
- Outsourcing development companies in Vadodara102
- Outsourcing development companies in Bhubaneswar93
- Outsourcing development companies in Trivandrum72
- Outsourcing development companies in Chandigarh71
- Outsourcing development companies in Ahmadabad65
- Outsourcing development companies in Ghaziabad54
- Outsourcing development companies in Navi Mumbai54
- Outsourcing development companies in Gandhinagar35
- Outsourcing development companies in Madurai34
- Outsourcing development companies in Visakhapatnam34
- Outsourcing development companies in Faridabad27
Questions about this company list
What does Exact match mean for outsourcing development companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many outsourcing development companies did RevenueBase find based in Kolkata, India?
The saved snapshot records 226 matching company records, 2,662 tracked contacts and 404 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Outsourcing development companies by geography
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh
- Outsourcing development companies based in Sarajevo, Bosnia and Herzegovina
- Outsourcing development companies based in Belo Horizonte, Brazil
- Outsourcing development companies based in Curitiba, Brazil
- Outsourcing development companies based in Porto Alegre, Brazil
- Outsourcing development companies based in Rio De Janeiro, Brazil
- Outsourcing development companies based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 outsourcing development companies based in Kolkata, India. Snapshot: September 21, 2026. https://revenuebase.ai/companies/outsourcing-development-companies/india/kolkata.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh
Company intelligence · public preview
Top 25 outsourcing development companies based in Kolkata, India
RevenueBase records 226 matching company records for outsourcing development companies based in Kolkata, India, with 2,662 tracked contacts and 404 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 outsourcing development companies based in Kolkata, India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sentientgeekssentientgeeks.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 229 contacts → |
“Are you looking for professional & experienced offshore developers for promoting your brands digitally?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Digital Aptechdigitalaptech.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 192 contacts → |
“Digital Aptech Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Citytech Software Microsoft Gold Partnercitytechcorp.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 122 contacts → |
“Citytech Software is a Kolkata, India-based premier Software Development and IT Consulting company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nimbus Systems PVT LTDnimbussystems.co.in HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 99 contacts → |
“Nimbus Systems is a leading Offshore and Onsite Software Solutions & IT Service provider present in 10 countries, including India, UAE, Europe, and the US.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Webgen Technologieswebgentechnologies.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 86 contacts → |
“Founded in mid-2011, Webgen Technologies is a technologically advanced, people-centric, ambitious & customer-focused company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Excellis ITexcellisit.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 83 contacts → |
“EXCELLIS IT is one of the leading service providers in the field of Information Technology that has been instrumental in catering tailored telemarketing outsourcing services along…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Esoft Technology Solutionsesoftech.com HQ: Kolkata, IndiaReported employees: Not recorded | Kolkata, India | Not recorded | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Fortmindzfortmindz.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 71 contacts → |
“At Formindz we strive to offer you a broad experience with industry leading development practices and innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Maxbridge Solution LLPmaxbridgesolution.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 66 contacts → |
“First of all let us take the opportunity to introduce Maxbridge Solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Blue Copper Technologies PVT LTDbluecoppertech.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 57 contacts → |
“Blue Copper Technologies is a global Information Technology & Software Engineering company committed to creating value and delivering tangible business outcomes for large…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Albatross Software Services Private Limitedalbatrossoft.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 55 contacts → |
“Founded in 1992, Albatross Software Services Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Webmaawebmaa.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 45 contacts → |
“Webmaa is your digital partner for innovative web, mobile, and cloud solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ADA Software RE Engineering Services Pvt. LTDadasoftware.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 39 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | RNJ Consultancy Servicesrnjcs.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 28 contacts → |
“RNJ Consultancy Services is a web, software development and consulting firm providing customized solutions to businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Swastik Infotech Servicessiplnet.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 27 contacts → |
“Swastik Infotech is an India based IT company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Websadroitwebsadroit.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 21 contacts → |
“Websadroit is one of the leading web development companies in India, offering offshore web development services for all kinds of businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Centreax Technologiescentreax.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Centreax Technologies a software development and consulting organization providing application development, security consulting and IT Managed services to a number of domestic and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Itrix IT Solutions Pvt. LTDitrix.biz HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Welcome to ITRIX IT Solutions Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Wift CAP Solutions PVT LTDwiftcap.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“Wift Cap Solutions Pvt Ltd is a software services company based in Kolkata, India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Unnatimunnatim.in HQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 17 contacts → |
“Unnatim India Limited is a Software company in India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kavyant Technologieskavyant.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“Kavyant Tech is a software product engineering company, and believes in Quality Developers and Quality Development across all phases of the Software Development Lifecycle.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dignexusdignexus.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 17 contacts → |
“Dignexus is a Reliable IT Outsourcing Service Provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Arisu APP Solutions Pvt. LTDarisuappsolutions.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Cattlefield Technologiescattlefield.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 15 contacts → |
“cattlefield™ (Cattlefield Technologies India Private Limited) a fast growing company with divisions of Software Development, Information and Cyber Security, Training and Skill…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dotlinkerdotlinkertech.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 14 contacts → |
“We are a software development company offering extensible and end-to-end software solutions, mobile applications, web applications, AI-driven platforms, enterprise portals…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 226 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Outsourcing development companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
226 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 226 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Outsourcing development companies by metro in India
- Outsourcing development companies in Pune760
- Outsourcing development companies in Hyderabad757
- Outsourcing development companies in Bangalore751
- Outsourcing development companies in Ahmedabad738
- Outsourcing development companies in Noida555
- Outsourcing development companies in Chennai451
- Outsourcing development companies in New Delhi367
- Outsourcing development companies in Surat328
- Outsourcing development companies in Mumbai296
- Outsourcing development companies in Jaipur287
- Outsourcing development companies in Indore278
- Outsourcing development companies in Mohali214
- Outsourcing development companies in Gurgaon187
- Outsourcing development companies in Delhi183
- Outsourcing development companies in Coimbatore144
- Outsourcing development companies in Lucknow128
- Outsourcing development companies in Kochi120
- Outsourcing development companies in Rajkot115
- Outsourcing development companies in Nagpur102
- Outsourcing development companies in Vadodara102
- Outsourcing development companies in Bhubaneswar93
- Outsourcing development companies in Trivandrum72
- Outsourcing development companies in Chandigarh71
- Outsourcing development companies in Ahmadabad65
- Outsourcing development companies in Ghaziabad54
- Outsourcing development companies in Navi Mumbai54
- Outsourcing development companies in Gandhinagar35
- Outsourcing development companies in Madurai34
- Outsourcing development companies in Visakhapatnam34
- Outsourcing development companies in Faridabad27
Questions about this company list
What does Exact match mean for outsourcing development companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many outsourcing development companies did RevenueBase find based in Kolkata, India?
The saved snapshot records 226 matching company records, 2,662 tracked contacts and 404 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Outsourcing development companies by geography
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh
- Outsourcing development companies based in Sarajevo, Bosnia and Herzegovina
- Outsourcing development companies based in Belo Horizonte, Brazil
- Outsourcing development companies based in Curitiba, Brazil
- Outsourcing development companies based in Porto Alegre, Brazil
- Outsourcing development companies based in Rio De Janeiro, Brazil
- Outsourcing development companies based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 outsourcing development companies based in Kolkata, India. Snapshot: September 21, 2026. https://revenuebase.ai/companies/outsourcing-development-companies/india/kolkata.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Outsourcing development companies based in Buenos Aires, Argentina
- Outsourcing development companies based in Yerevan, Armenia
- Outsourcing development companies based in Melbourne, Australia
- Outsourcing development companies based in Sydney, Australia
- Outsourcing development companies based in Vienna, Austria
- Outsourcing development companies based in Dhaka, Bangladesh