Top 10 B2B Companies in Kolkata for Business Growth in 2026

Kolkata is one of India's major commercial centers, known for IT services, manufacturing, engineering, logistics, consulting, and digital business solutions. Here are some of the leading B2B companies in Kolkata that help businesses grow through technology, industrial solutions, and professional services.

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Top 10 B2B Companies in Kolkata - Best Kolkata Companies List with Contact Details

Discover the Top 10 B2B Companies in Kolkata with company profiles, business services, and industry insights. Explore leading Kolkata businesses for partnerships, lead generation, and growth opportunities.

1. Tata Consultancy Services (TCS)

Industry: IT Services & Consulting
Location: Kolkata, West Bengal
Services: Software development, cloud computing, AI, enterprise solutions
Website: tcs(dot)com
Best For: Large-scale digital transformation projects

2. ITC Limited

Industry: FMCG, Agri Business & Supply Chain
Location: Kolkata, West Bengal
Services: Supply chain solutions, agri-business, paperboards, packaging
Website: itcportal(dot)com
Best For: Manufacturing and supply chain partnerships

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3. PwC India (Kolkata Office)

Industry: Consulting & Professional Services
Location: Kolkata, West Bengal
Services: Business consulting, tax advisory, audit, and digital transformation
Website: pwc(dot)in
Best For: Corporate consulting and business advisory services

4. RS Software

Industry: FinTech & Payment Technology
Location: Kolkata, West Bengal
Services: Payment solutions, banking technology, software development
Website: rssoftware(dot)com
Best For: Banking and payment processing solutions

5. Berger Paints India

Industry: Manufacturing & Industrial Solutions
Location: Kolkata, West Bengal
Services: Industrial coatings, construction chemicals, paint solutions
Website: bergerpaints(dot)com
Best For: Construction and industrial businesses

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6. Indus Net Technologies

Industry: IT Services & Digital Transformation
Location: Kolkata, West Bengal
Services: Software development, AI solutions, ecommerce development
Website: indusnet(dot)co(dot)in
Best For: Technology-driven business growth

7. Emami Limited

Industry: FMCG Manufacturing
Location: Kolkata, West Bengal
Services: Manufacturing, distribution, supply chain management
Website: emamiltd(dot)in
Best For: Distribution and business partnerships

8. CESC Limited

Industry: Energy & Utilities
Location: Kolkata, West Bengal
Services: Power generation, electricity distribution, energy solutions
Website: cesc(dot)co(dot)in
Best For: Energy and infrastructure partnerships

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9. Webguru Infosystems

Industry: Web Development & Digital Marketing
Location: Kolkata, West Bengal
Services: Website development, SEO, ecommerce solutions, mobile apps
Website: webguru-india(dot)com
Best For: Online business growth and lead generation

10. Capital Numbers

Industry: Software Development & IT Outsourcing
Location: Kolkata, West Bengal
Services: Web development, app development, cloud solutions, AI services
Website: capitalnumbers(dot)com
Best For: Offshore development and software outsourcin

Why Kolkata is a Growing B2B Hub?

Kolkata offers strong opportunities in:

IT and Software Development
Manufacturing Companies and Engineering
Logistics and Supply Chain
FinTech and Banking Technology
Consulting and Professional Services
Digital Marketing and Ecommerce

The city's strategic location, skilled workforce, and growing startup ecosystem make it an attractive destination for B2B businesses.

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