Company lists · Data refreshed November 2026
Top 24 Outsourcing IT services based in Kolkata, India
RevenueBase identified 168 company matches for outsourcing IT services associated with Kolkata, India as of November 2026 and tracks 5,220 professional contacts across them, including 305 with verified work emails. Across India, Bangalore is the largest hub for this category (653 companies); Kolkata has 168.
This list covers company matches for outsourcing IT services 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.
The 24 largest outsourcing IT services based in Kolkata, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 97 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 85 contacts → | ||||
Exact match “Diamond Infotech Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 37 contacts → | ||||
Exact match “It’s a great pleasure to introduce ourselves as a group of young and energetic ‘Engineer turned entrepreneurs’ having Pan India presence, working exclusively with some great…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 22 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 21 contacts → | ||||
Exact match “Welcome to ITRIX IT Solutions Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “We are one of the leading outsources offering innovative delivery models that promise flexibility to the clients in choosing their involvement level.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “At Provision Technologies, we provide advanced cybersecurity, scalable IT infrastructure, and 24/7 managed services that safeguard and streamline your data, systems, and business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “LinkStrat delivers custom IT and accounting solutions to streamline your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “TM Technology was established in 2012.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 12 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Let us introduce ourselves as a leading IT Service company, located in Kolkata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “OmniMinds is an agentic AI development company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “IT infrastructure solution provider” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Netspeak Infotech Private Limited is the fastest growing IT solution provider in Kolkata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Indian Tech initiated with a simple, yet profound design i.e.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “Agile Innotech, is a turnkey IT-Services and Solutions Provider based in Kolkata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “At scriptures Research and Development llp, we are dedicated to driving business success through innovative IT solutions and strategic business consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Wesben Technologies is an Information technology services company based in Kolkata, India and an ISO 9001 - 2015 certified company established in the year 2018.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Revving Fox offers smart IT consulting and services to help you grow your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Offering a bundle of services to help our customers thrive on next-generation technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Audigold Virtual Services is a virtual services company that offers you much beyond Cost Arbitrage and the Out-Sourcing Advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “At Altechmind Technologies, we are a leading provider of cutting-edge technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 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 IT services”. 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 24 of 168 outsourcing IT services based in Kolkata, India
See the full list, filter by size, metro and specialty, and access 305 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Outsourcing IT services based in Kolkata, India at a glance
As of Nov 6, 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 168 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 IT services” 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 305 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.
Outsourcing IT services by metro in India
- Outsourcing IT services in Bangalore653
- Outsourcing IT services in Hyderabad611
- Outsourcing IT services in Pune486
- Outsourcing IT services in New Delhi425
- Outsourcing IT services in Mumbai365
- Outsourcing IT services in Noida350
- Outsourcing IT services in Chennai328
- Outsourcing IT services in Ahmedabad324
- Outsourcing IT services in Gurgaon203
- Outsourcing IT services in Delhi190
- Outsourcing IT services in Jaipur154
- Outsourcing IT services in Indore118
- Outsourcing IT services in Surat104
- Outsourcing IT services in Mohali91
- Outsourcing IT services in Coimbatore78
- Outsourcing IT services in Lucknow76
- Outsourcing IT services in Vadodara76
- Outsourcing IT services in Kochi70
- Outsourcing IT services in Nagpur60
- Outsourcing IT services in Navi Mumbai57
- Outsourcing IT services in Thane56
- Outsourcing IT services in Bhubaneswar46
- Outsourcing IT services in Trivandrum36
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 IT services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many outsourcing IT services are there based in Kolkata, India?
RevenueBase identified 168 company matches for outsourcing IT services 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?
Excellis IT 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 IT services?
Bangalore leads India with 653 company records, followed by Hyderabad (611) and Pune (486). Kolkata has 168.
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 305 professional contacts with verified work emails tracked across these 168 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.
Ready to reach these companies? Verified emails and direct dials for all 168 outsourcing IT services based in Kolkata, India. Start with a free account, no credit card.
Download this list →Related lists
Outsourcing IT services by geography
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- Outsourcing IT services based in the United Kingdom
- Outsourcing IT services based in Brazil
- Outsourcing IT services based in Canada
- Outsourcing IT services based in Australia
- Outsourcing IT services based in Germany
- Outsourcing IT services based in France
- Outsourcing IT services based in Italy
- Outsourcing IT services based in Spain
- Outsourcing IT services based in South Africa
- Outsourcing IT services based in the Netherlands
- Outsourcing IT services based in Poland
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 IT services based in the United States
- Outsourcing IT services based in the United Kingdom
- Outsourcing IT services based in Brazil
- Outsourcing IT services based in Canada
- Outsourcing IT services based in Australia
- Outsourcing IT services based in Germany
Company intelligence · public preview
Top 24 outsourcing IT services 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 168 matching company records for outsourcing IT services based in Kolkata, India, with 5,220 tracked contacts and 305 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 24 outsourcing IT services 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 |  Excellis ITexcellisit.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 97 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Diamond Infotech PVT LTDdipl.co.inHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 85 contacts → |
“Diamond Infotech Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ultimate Digital Solutions Pvt. LTDultimatesolutions.in HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 37 contacts → |
“It’s a great pleasure to introduce ourselves as a group of young and energetic ‘Engineer turned entrepreneurs’ having Pan India presence, working exclusively with some great…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Openweb Solutionsopenwebsolutions.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 22 contacts → |
“Openweb Solutions is a technology service provider, providing analytics, cloud, web and mobility services to organizations across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Itrix IT Solutions Pvt. LTDitrix.bizHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 21 contacts → |
“Welcome to ITRIX IT Solutions Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Voorafvooraf.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 18 contacts → |
“We are one of the leading outsources offering innovative delivery models that promise flexibility to the clients in choosing their involvement level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Provision Technologiesprovisiontech.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“At Provision Technologies, we provide advanced cybersecurity, scalable IT infrastructure, and 24/7 managed services that safeguard and streamline your data, systems, and business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Linkstrat Business Solutions PVT LTDlinkstrat.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“LinkStrat delivers custom IT and accounting solutions to streamline your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  TM Technologytmtechnology.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 16 contacts → |
“TM Technology was established in 2012.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Primawave Software Private Limitedprimawavesoft.comHQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SYS Edge Micro Informatics PVT LTDsystemedge.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Netgroup Technologiesnetgroup.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 12 contacts → |
“Let us introduce ourselves as a leading IT Service company, located in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Omniminds Consultingomnimindsconsulting.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 11 contacts → |
“OmniMinds is an agentic AI development company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Vihan Informatics PVT LTDvipls.coHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 10 contacts → |
“IT infrastructure solution provider” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Netspeak Infotech Private Limitednetspeak.co.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 9 contacts → |
“Netspeak Infotech Private Limited is the fastest growing IT solution provider in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Indiantechindiantech.co.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 9 contacts → |
“Indian Tech initiated with a simple, yet profound design i.e.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Agile Innotechagileinnotech.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 8 contacts → |
“Agile Innotech, is a turnkey IT-Services and Solutions Provider based in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Scripturesscripturesresearch.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“At scriptures Research and Development llp, we are dedicated to driving business success through innovative IT solutions and strategic business consultancy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Wesben Technologies Private Limitedwesbentechnologies.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 5 contacts → |
“Wesben Technologies is an Information technology services company based in Kolkata, India and an ISO 9001 - 2015 certified company established in the year 2018.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Revving FOXrevvingfox.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Revving Fox offers smart IT consulting and services to help you grow your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Riiypr Technologies Pvt.Ltdriiypr.inHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Offering a bundle of services to help our customers thrive on next-generation technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Audigold Virtual Servicesaudigoldvirtualservices.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 2 contacts → |
“Audigold Virtual Services is a virtual services company that offers you much beyond Cost Arbitrage and the Out-Sourcing Advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Altechmind Technologiesaltechmind.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 1 contacts → |
“At Altechmind Technologies, we are a leading provider of cutting-edge technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 168 company matches
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Outsourcing IT services: dataset insights
November 6, 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
168 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 168 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: November 6, 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 IT services by metro in India
- Outsourcing IT services in Bangalore653
- Outsourcing IT services in Hyderabad611
- Outsourcing IT services in Pune486
- Outsourcing IT services in New Delhi425
- Outsourcing IT services in Mumbai365
- Outsourcing IT services in Noida350
- Outsourcing IT services in Chennai328
- Outsourcing IT services in Ahmedabad324
- Outsourcing IT services in Gurgaon203
- Outsourcing IT services in Delhi190
- Outsourcing IT services in Jaipur154
- Outsourcing IT services in Indore118
- Outsourcing IT services in Surat104
- Outsourcing IT services in Mohali91
- Outsourcing IT services in Coimbatore78
- Outsourcing IT services in Lucknow76
- Outsourcing IT services in Vadodara76
- Outsourcing IT services in Kochi70
- Outsourcing IT services in Nagpur60
- Outsourcing IT services in Navi Mumbai57
- Outsourcing IT services in Thane56
- Outsourcing IT services in Bhubaneswar46
- Outsourcing IT services in Trivandrum36
Questions about this company list
What does Exact match mean for outsourcing IT services?
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 IT services did RevenueBase find based in Kolkata, India?
The saved snapshot records 168 matching company records, 5,220 tracked contacts and 305 verified emails. The public preview displays 24 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: November 6, 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 IT services by geography
- Outsourcing IT services based in the United States
- Outsourcing IT services based in the United Kingdom
- Outsourcing IT services based in Brazil
- Outsourcing IT services based in Canada
- Outsourcing IT services based in Australia
- Outsourcing IT services based in Germany
- Outsourcing IT services based in France
- Outsourcing IT services based in Italy
- Outsourcing IT services based in Spain
- Outsourcing IT services based in South Africa
- Outsourcing IT services based in the Netherlands
- Outsourcing IT services based in Poland
Cite this list
RevenueBase Data Team. Top 24 outsourcing IT services based in Kolkata, India. Snapshot: November 6, 2026. https://revenuebase.ai/companies/outsourcing-it-services/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 IT services based in the United States
- Outsourcing IT services based in the United Kingdom
- Outsourcing IT services based in Brazil
- Outsourcing IT services based in Canada
- Outsourcing IT services based in Australia
- Outsourcing IT services based in Germany
Company intelligence · public preview
Top 24 outsourcing IT services based in Kolkata, India
RevenueBase records 168 matching company records for outsourcing IT services based in Kolkata, India, with 5,220 tracked contacts and 305 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 24 outsourcing IT services 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 | Excellis ITexcellisit.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 97 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Diamond Infotech PVT LTDdipl.co.in HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 85 contacts → |
“Diamond Infotech Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ultimate Digital Solutions Pvt. LTDultimatesolutions.in HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 37 contacts → |
“It’s a great pleasure to introduce ourselves as a group of young and energetic ‘Engineer turned entrepreneurs’ having Pan India presence, working exclusively with some great…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Openweb Solutionsopenwebsolutions.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 22 contacts → |
“Openweb Solutions is a technology service provider, providing analytics, cloud, web and mobility services to organizations across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Itrix IT Solutions Pvt. LTDitrix.biz HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 21 contacts → |
“Welcome to ITRIX IT Solutions Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Voorafvooraf.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 18 contacts → |
“We are one of the leading outsources offering innovative delivery models that promise flexibility to the clients in choosing their involvement level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Provision Technologiesprovisiontech.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“At Provision Technologies, we provide advanced cybersecurity, scalable IT infrastructure, and 24/7 managed services that safeguard and streamline your data, systems, and business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Linkstrat Business Solutions PVT LTDlinkstrat.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 17 contacts → |
“LinkStrat delivers custom IT and accounting solutions to streamline your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | TM Technologytmtechnology.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 16 contacts → |
“TM Technology was established in 2012.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Primawave Software Private Limitedprimawavesoft.com HQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SYS Edge Micro Informatics PVT LTDsystemedge.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Netgroup Technologiesnetgroup.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 12 contacts → |
“Let us introduce ourselves as a leading IT Service company, located in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Omniminds Consultingomnimindsconsulting.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 11 contacts → |
“OmniMinds is an agentic AI development company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Vihan Informatics PVT LTDvipls.co HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 10 contacts → |
“IT infrastructure solution provider” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Netspeak Infotech Private Limitednetspeak.co.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 9 contacts → |
“Netspeak Infotech Private Limited is the fastest growing IT solution provider in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Indiantechindiantech.co.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 9 contacts → |
“Indian Tech initiated with a simple, yet profound design i.e.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Agile Innotechagileinnotech.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 8 contacts → |
“Agile Innotech, is a turnkey IT-Services and Solutions Provider based in Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Scripturesscripturesresearch.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“At scriptures Research and Development llp, we are dedicated to driving business success through innovative IT solutions and strategic business consultancy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wesben Technologies Private Limitedwesbentechnologies.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 5 contacts → |
“Wesben Technologies is an Information technology services company based in Kolkata, India and an ISO 9001 - 2015 certified company established in the year 2018.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Revving FOXrevvingfox.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Revving Fox offers smart IT consulting and services to help you grow your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Riiypr Technologies Pvt.Ltdriiypr.in HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Offering a bundle of services to help our customers thrive on next-generation technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Audigold Virtual Servicesaudigoldvirtualservices.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 2 contacts → |
“Audigold Virtual Services is a virtual services company that offers you much beyond Cost Arbitrage and the Out-Sourcing Advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Altechmind Technologiesaltechmind.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 1 contacts → |
“At Altechmind Technologies, we are a leading provider of cutting-edge technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 168 company matches
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Outsourcing IT services: dataset insights
November 6, 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
168 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 168 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: November 6, 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 IT services by metro in India
- Outsourcing IT services in Bangalore653
- Outsourcing IT services in Hyderabad611
- Outsourcing IT services in Pune486
- Outsourcing IT services in New Delhi425
- Outsourcing IT services in Mumbai365
- Outsourcing IT services in Noida350
- Outsourcing IT services in Chennai328
- Outsourcing IT services in Ahmedabad324
- Outsourcing IT services in Gurgaon203
- Outsourcing IT services in Delhi190
- Outsourcing IT services in Jaipur154
- Outsourcing IT services in Indore118
- Outsourcing IT services in Surat104
- Outsourcing IT services in Mohali91
- Outsourcing IT services in Coimbatore78
- Outsourcing IT services in Lucknow76
- Outsourcing IT services in Vadodara76
- Outsourcing IT services in Kochi70
- Outsourcing IT services in Nagpur60
- Outsourcing IT services in Navi Mumbai57
- Outsourcing IT services in Thane56
- Outsourcing IT services in Bhubaneswar46
- Outsourcing IT services in Trivandrum36
Questions about this company list
What does Exact match mean for outsourcing IT services?
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 IT services did RevenueBase find based in Kolkata, India?
The saved snapshot records 168 matching company records, 5,220 tracked contacts and 305 verified emails. The public preview displays 24 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 24 outsourcing IT services based in Kolkata, India. Snapshot: November 6, 2026. https://revenuebase.ai/companies/outsourcing-it-services/india/kolkata.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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