Company lists · Data refreshed September 2026
Top 21 Process outsourcing services based in Kolkata, India
RevenueBase identified 129 company matches for process outsourcing services associated with Kolkata, India as of September 2026 and tracks 2,812 professional contacts across them, including 90 with verified work emails. Across India, Bangalore is the largest hub for this category (325 companies); Kolkata has 129.
This list covers company matches for process outsourcing 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 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 21 largest process outsourcing services based in Kolkata, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 395 contacts → | ||||
Exact match “As a company with the potential to establish a strong foothold within the BPO domain Mervice promises to go beyond ensuring quality inbound and outbound services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 247 contacts → | ||||
Exact match “Value RCM Solutions is a leading provider of comprehensive outsourcing solutions tailored to the healthcare industry (Medical Billing Companies, Hospitals, Ambulatory Surgical…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 246 contacts → | ||||
Exact match “Cegura Technology Solutions is a emerging Business Process Outsourcing (BPO) Service provider, offering the most advanced services available today.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 208 contacts → | ||||
Exact match “Floating Numbers is a trusted BPO company in Kolkata.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 45 contacts → | ||||
Exact match “Okay is among the pioneering names in the BPO and KPO industries of the country.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match “Rising Group is an emerging Business Process Outsourcing (BPO) Service provider running since 2013, offering the most advanced services available today.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “Synergy Accounting Services is a young and fast growing finance and accounts outsourcing company primarily dealing with CPAs and accounting firms across the United States of…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 18 contacts → | ||||
Exact match “With a super combo of human and device intelligence, we offer strong and revolutionary answers to streamline your operations so that you can get attention in your center…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Founded in 2014, DWC Technologies Pvt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “Vanggharamaa BPO (formerly known as All Area Access Solutions) is a leading customer service company that provides comprehensive support to businesses of all sizes and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Different breed of BPO with over 20 years experience in Outsourcing & Offshoring industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 13 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “In November 2017, we began our entrepreneurial journey with the vision to provide affordable enterprise-level solutions to startups and businesses around the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Grid Reputation provides outsourced Content Moderation and BPO services to help companies scale confidently and operate smoothly.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Being one of the prominent providers of IT & BPO, Logica Infotech is a well-recognized name in the world outsourcing industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “RFS Business Solutions is the top provider of outsourced contact centre solutions to businesses with worldwide reach through international alliances.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Partnering in Growth.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “AICM PVT LTD IS AN INTERNATIONAL BPO.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Career Swift is the leading organisation and the most promising one which provides all manpower solutions.” 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 “process outsourcing 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 21 of 129 process outsourcing services based in Kolkata, India
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Process outsourcing services 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 129 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 “process outsourcing 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 90 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.
Process outsourcing services by metro in India
- Process outsourcing services in Bangalore325
- Process outsourcing services in Ahmedabad239
- Process outsourcing services in New Delhi220
- Process outsourcing services in Noida209
- Process outsourcing services in Mumbai194
- Process outsourcing services in Pune186
- Process outsourcing services in Hyderabad166
- Process outsourcing services in Chennai165
- Process outsourcing services in Gurgaon135
- Process outsourcing services in Delhi101
- Process outsourcing services in Indore57
- Process outsourcing services in Coimbatore55
- Process outsourcing services in Udaipur55
- Process outsourcing services in Navi Mumbai46
- Process outsourcing services in Mohali45
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 “process outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many process outsourcing services are there based in Kolkata, India?
RevenueBase identified 129 company matches for process outsourcing services 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?
Mervice Infotech Pvt. LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in India has the most process outsourcing services?
Bangalore leads India with 325 company records, followed by Ahmedabad (239) and New Delhi (220). Kolkata has 129.
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 90 professional contacts with verified work emails tracked across these 129 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 129 process outsourcing services based in Kolkata, India. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Lists A-Z
- New lists
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Company intelligence · public preview
Top 21 process outsourcing 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 129 matching company records for process outsourcing services based in Kolkata, India, with 2,812 tracked contacts and 90 verified work emails.
This public preview shows 21 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 21 process outsourcing 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 |  Mervice Infotech Pvt. LTDmervice.inHQ: Kolkata, IndiaReported employees: 1,001-5,000 | Kolkata, India | 1,001-5,000 | Exact match | 395 contacts → |
“As a company with the potential to establish a strong foothold within the BPO domain Mervice promises to go beyond ensuring quality inbound and outbound services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Value RCM Solutions Pvt. LTDvaluercm.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 247 contacts → |
“Value RCM Solutions is a leading provider of comprehensive outsourcing solutions tailored to the healthcare industry (Medical Billing Companies, Hospitals, Ambulatory Surgical…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cegura Technology Solutionscegura.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 246 contacts → |
“Cegura Technology Solutions is a emerging Business Process Outsourcing (BPO) Service provider, offering the most advanced services available today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Floating Numbers Digital Solutionsfloatingnumbers.comHQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 208 contacts → |
“Floating Numbers is a trusted BPO company in Kolkata.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Okay Call Centre PVT LTDokaycallcentre.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 45 contacts → |
“Okay is among the pioneering names in the BPO and KPO industries of the country.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Rising Grouprisinggroup9.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 21 contacts → |
“Rising Group is an emerging Business Process Outsourcing (BPO) Service provider running since 2013, offering the most advanced services available today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Synergy Accounting Services LLPsynergyac.coHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Synergy Accounting Services is a young and fast growing finance and accounts outsourcing company primarily dealing with CPAs and accounting firms across the United States of…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Raddinasraddinasinfotech.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“With a super combo of human and device intelligence, we offer strong and revolutionary answers to streamline your operations so that you can get attention in your center…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DWC Technologies Private Limiteddwc-technologies.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“Founded in 2014, DWC Technologies Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vanggharamaa BPOvanggharamaa.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 17 contacts → |
“Vanggharamaa BPO (formerly known as All Area Access Solutions) is a leading customer service company that provides comprehensive support to businesses of all sizes and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  First Voice Global Servicesfirstvoiceit.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 17 contacts → |
“Different breed of BPO with over 20 years experience in Outsourcing & Offshoring industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Voorafvooraf.comHQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 13 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Task Venturerstaskventurers.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 13 contacts → |
“In November 2017, we began our entrepreneurial journey with the vision to provide affordable enterprise-level solutions to startups and businesses around the world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Grid Reputationgridreputation.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 8 contacts → |
“Grid Reputation provides outsourced Content Moderation and BPO services to help companies scale confidently and operate smoothly.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Logica Infotech Services Pvt. LTDlogicainfotech.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 7 contacts → |
“Being one of the prominent providers of IT & BPO, Logica Infotech is a well-recognized name in the world outsourcing industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  RFS Business Solutions PVT LTDrfsbizsolutions.comHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“RFS Business Solutions is the top provider of outsourced contact centre solutions to businesses with worldwide reach through international alliances.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Enservenservglobal.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Partnering in Growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Asmaar Infotech & Communication Media PVT LTDaicmglobal.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 2 contacts → |
“AICM PVT LTD IS AN INTERNATIONAL BPO.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Career Swiftcareerswift.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 1 contacts → |
“Career Swift is the leading organisation and the most promising one which provides all manpower solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 129 company matches
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Process outsourcing services: 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
129 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 129 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 ↗
Process outsourcing services by metro in India
- Process outsourcing services in Bangalore325
- Process outsourcing services in Ahmedabad239
- Process outsourcing services in New Delhi220
- Process outsourcing services in Noida209
- Process outsourcing services in Mumbai194
- Process outsourcing services in Pune186
- Process outsourcing services in Hyderabad166
- Process outsourcing services in Chennai165
- Process outsourcing services in Gurgaon135
- Process outsourcing services in Delhi101
- Process outsourcing services in Indore57
- Process outsourcing services in Coimbatore55
- Process outsourcing services in Udaipur55
- Process outsourcing services in Navi Mumbai46
- Process outsourcing services in Mohali45
Questions about this company list
What does Exact match mean for process outsourcing 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 process outsourcing services did RevenueBase find based in Kolkata, India?
The saved snapshot records 129 matching company records, 2,812 tracked contacts and 90 verified emails. The public preview displays 21 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
Process outsourcing services by geography
- Process outsourcing services based in Barueri, Brazil
- Process outsourcing services based in Belo Horizonte, Brazil
- Process outsourcing services based in Campinas, Brazil
- Process outsourcing services based in Curitiba, Brazil
- Process outsourcing services based in Rio De Janeiro, Brazil
- Process outsourcing services based in Sao Paulo, Brazil
- Process outsourcing services based in Bogota, Colombia
- Process outsourcing services based in Ahmedabad, India
- Process outsourcing services based in Bangalore, India
- Process outsourcing services based in Chennai, India
- Process outsourcing services based in Coimbatore, India
- Process outsourcing services based in Delhi, India
Cite this list
RevenueBase Data Team. Top 21 process outsourcing services based in Kolkata, India. Snapshot: September 21, 2026. https://revenuebase.ai/companies/process-outsourcing-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
- Process outsourcing services based in Barueri, Brazil
- Process outsourcing services based in Belo Horizonte, Brazil
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- Process outsourcing services based in Rio De Janeiro, Brazil
- Process outsourcing services based in Sao Paulo, Brazil
Company intelligence · public preview
Top 21 process outsourcing services based in Kolkata, India
RevenueBase records 129 matching company records for process outsourcing services based in Kolkata, India, with 2,812 tracked contacts and 90 verified work emails.
This public preview shows 21 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 21 process outsourcing 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 | Mervice Infotech Pvt. LTDmervice.in HQ: Kolkata, IndiaReported employees: 1,001-5,000 | Kolkata, India | 1,001-5,000 | Exact match | 395 contacts → |
“As a company with the potential to establish a strong foothold within the BPO domain Mervice promises to go beyond ensuring quality inbound and outbound services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Value RCM Solutions Pvt. LTDvaluercm.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 247 contacts → |
“Value RCM Solutions is a leading provider of comprehensive outsourcing solutions tailored to the healthcare industry (Medical Billing Companies, Hospitals, Ambulatory Surgical…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cegura Technology Solutionscegura.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 246 contacts → |
“Cegura Technology Solutions is a emerging Business Process Outsourcing (BPO) Service provider, offering the most advanced services available today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Floating Numbers Digital Solutionsfloatingnumbers.com HQ: Kolkata, IndiaReported employees: 501-1,000 | Kolkata, India | 501-1,000 | Exact match | 208 contacts → |
“Floating Numbers is a trusted BPO company in Kolkata.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Okay Call Centre PVT LTDokaycallcentre.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 45 contacts → |
“Okay is among the pioneering names in the BPO and KPO industries of the country.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Rising Grouprisinggroup9.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 21 contacts → |
“Rising Group is an emerging Business Process Outsourcing (BPO) Service provider running since 2013, offering the most advanced services available today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Synergy Accounting Services LLPsynergyac.co HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 20 contacts → |
“Synergy Accounting Services is a young and fast growing finance and accounts outsourcing company primarily dealing with CPAs and accounting firms across the United States of…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Raddinasraddinasinfotech.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“With a super combo of human and device intelligence, we offer strong and revolutionary answers to streamline your operations so that you can get attention in your center…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DWC Technologies Private Limiteddwc-technologies.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 18 contacts → |
“Founded in 2014, DWC Technologies Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vanggharamaa BPOvanggharamaa.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 17 contacts → |
“Vanggharamaa BPO (formerly known as All Area Access Solutions) is a leading customer service company that provides comprehensive support to businesses of all sizes and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | First Voice Global Servicesfirstvoiceit.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 17 contacts → |
“Different breed of BPO with over 20 years experience in Outsourcing & Offshoring industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Voorafvooraf.com HQ: Kolkata, IndiaReported employees: 201-500 | Kolkata, India | 201-500 | Exact match | 13 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Task Venturerstaskventurers.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 13 contacts → |
“In November 2017, we began our entrepreneurial journey with the vision to provide affordable enterprise-level solutions to startups and businesses around the world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Grid Reputationgridreputation.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 8 contacts → |
“Grid Reputation provides outsourced Content Moderation and BPO services to help companies scale confidently and operate smoothly.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Logica Infotech Services Pvt. LTDlogicainfotech.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 7 contacts → |
“Being one of the prominent providers of IT & BPO, Logica Infotech is a well-recognized name in the world outsourcing industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | RFS Business Solutions PVT LTDrfsbizsolutions.com HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“RFS Business Solutions is the top provider of outsourced contact centre solutions to businesses with worldwide reach through international alliances.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Enservenservglobal.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 3 contacts → |
“Partnering in Growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Asmaar Infotech & Communication Media PVT LTDaicmglobal.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 2 contacts → |
“AICM PVT LTD IS AN INTERNATIONAL BPO.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Career Swiftcareerswift.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 1 contacts → |
“Career Swift is the leading organisation and the most promising one which provides all manpower solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 129 company matches
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Process outsourcing services: 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
129 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 129 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 ↗
Process outsourcing services by metro in India
- Process outsourcing services in Bangalore325
- Process outsourcing services in Ahmedabad239
- Process outsourcing services in New Delhi220
- Process outsourcing services in Noida209
- Process outsourcing services in Mumbai194
- Process outsourcing services in Pune186
- Process outsourcing services in Hyderabad166
- Process outsourcing services in Chennai165
- Process outsourcing services in Gurgaon135
- Process outsourcing services in Delhi101
- Process outsourcing services in Indore57
- Process outsourcing services in Coimbatore55
- Process outsourcing services in Udaipur55
- Process outsourcing services in Navi Mumbai46
- Process outsourcing services in Mohali45
Questions about this company list
What does Exact match mean for process outsourcing 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 process outsourcing services did RevenueBase find based in Kolkata, India?
The saved snapshot records 129 matching company records, 2,812 tracked contacts and 90 verified emails. The public preview displays 21 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.
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Cite this list
RevenueBase Data Team. Top 21 process outsourcing services based in Kolkata, India. Snapshot: September 21, 2026. https://revenuebase.ai/companies/process-outsourcing-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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