Top 10 IT Companies in Kolkata

In the last few years, Kolkata, known for its culture, has grown into a major IT hub by shifting from an industrial center to a technology hub. The IT sector in the city has performed very well, bringing in revenues of over $3.2 billion in 2024 and helping West Bengal’s economy a lot. The number of people working in the IT sector in Kolkata has reached over 200,000, and it is still growing at a fast pace, between 15% and 20% per year.
Since the city is growing so fast, it becomes more appealing to students and freshers who want good career prospects. Skill development, better pay, and experience with international organizations are possible thanks to IT companies in Kolkata. Since living expenses in Kolkata are less than in places like Bangalore and Hyderabad, young IT professionals can advance their careers without facing excessive financial pressure.
Kolkata’s IT Ecosystem
Kolkata’s IT scene has developed into a lively technology environment, thanks to its strong infrastructure and projects introduced by the government. Sector V Salt Lake, New Town, and Rajarhat are the three IT parks in the city, where more than 150 IT companies are located. The government of West Bengal has drawn multinational corporations and startups by introducing active policies that encourage businesses and provide tax relief and new infrastructure.
The area is connected to the rest of the world and within the region by the international airport and good transport systems. Graduates from IIT Kharagpur, Jadavpur University, and a number of engineering colleges are trained in the required fields. Since Bangkok is close to Southeast Asia and the Middle East, global IT companies find it a convenient place to do business. Moreover, innovation hubs, incubators, and co-working spaces help build entrepreneurship and progress in technology.
List of Top 10 IT Companies in Kolkata
1. Oasis Inventor IT Solutions Private Limited

Rating: 4.2/5
Founded in: 2015
Address: Plot 5E/1, Sector V, Salt Lake Electronics Complex, Kolkata 700091
Team Size: Medium-sized team of 150+ professionals
Web URL: www.oasisinventor.com
Oasis Inventor IT Solutions is an active IT company that focuses on designing custom software, mobile apps, and helping with digital changes. From its inception in 2015, the company has become a trusted source for companies looking for advanced technology. Since it focuses on emerging technologies, Oasis Inventor provides services to clients from healthcare, finance, and e-commerce sectors.
The company has finished over 500 projects and continues to operate in both national and global markets. They have gained recognition as one of the fastest-growing IT companies in Kolkata due to their strong commitment to quality and serving customers well.
Key Services:
- Custom Software Development
- Mobile App Development (iOS/Android)
- Web Development and Design
- Cloud Computing Solutions
- Digital Marketing Services
- IT Consulting and Strategy
Average Salary: Entry-level positions start from ₹3.5-5 LPA, with experienced professionals earning ₹8-15 LPA
2. Tata Consultancy Services (TCS)

Rating: 4.1/5
Founded in: 1968
Address: Delta Park, Plot C, Block EP & GP, Sector V, Salt Lake, Kolkata 700091
Team Size: Large enterprise with 8,000+ employees in Kolkata
Web URL: www.tcs.com
TCS is the biggest IT services company in India and is part of the Tata Group, formed in 1968. Because it is active in 46 different countries around the world, TCS has become a top name in IT services, consulting, and solving business issues. Between Q2 and Q3, the company earned about 11% more profit, reaching 10,846 crores INR with a market size of $151 billion.
The Kolkata office is a key site for TCS, providing important solutions to clients from the fields of banking, retail, healthcare, and manufacturing. The business has introduced various digital changes and is still at the forefront of artificial intelligence, cloud computing, and blockchain. The company’s dedication to new ideas and top-quality work has made it the top choice for Fortune 500 companies globally.
Key Services:
- IT Services and Consulting
- Business Process Services
- Digital Transformation Solutions
- Cloud and Infrastructure Services
- Cybersecurity Solutions
- Data Analytics and AI Services
Average Salary: Freshers earn ₹3.5-4.5 LPA, while senior professionals can earn ₹15-25 LPA
3. Cognizant Technology Solutions

Rating: 4.0/5
Founded in: 1994
Address: DN Block, Sector V, Salt Lake, Kolkata 700091
Team Size: Large workforce of 6,000+ employees in Kolkata
Web URL: www.cognizant.com
Cognizant is a big company that offers IT services, consulting, and outsourcing solutions around the world. Started in 1994, the company has expanded to be among the top professional services companies in the world. Cognizant Kolkata provides a hub for digital transformation, moving businesses to the cloud, and using the latest technology.
Clients in healthcare, financial services, retail, and manufacturing are the main targets for the company. By putting a lot of effort into innovation and working digitally, Cognizant has delivered many projects and continues to develop long-lasting ties with Fortune 500 companies. In 2024, the company earned $19.4 billion because of its strong position in the market and clients’ trust.
Key Services:
- Digital Engineering and Manufacturing
- Data and AI Services
- Cloud and Infrastructure Modernization
- Application Development and Maintenance
- Business Process Services
- Consulting and Strategy Services
Average Salary: Starting salaries range from ₹4-6 LPA, with experienced professionals earning ₹12-20 LPA
4. Wipro Limited

Rating: 3.9/5
Founded in: 1945
Address: Ecospace Business Park, Block 2B, New Town, Kolkata 700156
Team Size: Substantial workforce of 5,500+ employees in Kolkata
Web URL: www.wipro.com
Wipro is among India’s biggest international companies and offers information technology, consulting, and business process services worldwide. Started in 1945, Wipro started as a vegetable oil company but now operates in many countries and is a major player in technology. The office in Kolkata concentrates on offering innovative options for digital transformation, cloud services, and artificial intelligence.
The firm has clients in many areas, including banking, healthcare, retail, and energy. In 2024, Wipro is expected to earn nearly $10.4 billion, and they are putting a lot of money and effort into new technologies and developing their workforce. Its actions toward sustainability and social responsibility have made the company well-known as one of the most ethical in the world.
Key Services:
- IT Services and Consulting
- Digital and Cloud Solutions
- Cybersecurity Services
- Data Analytics and AI
- Engineering and R&D Services
- Business Process Services
Average Salary: Entry-level positions offer ₹3.5-5 LPA, while senior roles can command ₹12-18 LPA
5. Capgemini

Rating: 4.2/5
Founded in: 1967
Address: Unitech Infospace, Block DN, Sector V, Salt Lake, Kolkata 700091
Team Size: Growing team of 4,000+ professionals in Kolkata
Web URL: www.capgemini.com
Capgemini is a large French company that supplies consulting, technology and outsourcing services to clients. Since it was established in 1967, the company has emerged as a top global provider of digital transformation and technology services. Capgemini Kolkata is a main center for delivering application development and digital engineering services.
Its work includes servicing clients in the automotive sector and those in the public sector. Capgemini’s revenue reached €22.5 billion in 2024, allowing the company to keep growing in the fields of artificial intelligence and automation. Enterprises worldwide choose the company because of its dedication to new ideas and care for the environment.
Key Services:
- Digital Transformation Services
- Cloud and Infrastructure Services
- Application Development and Maintenance
- Data and Analytics Solutions
- Cybersecurity Services
- Business Process Outsourcing
Average Salary: Freshers can expect ₹4-6 LPA, with experienced professionals earning ₹10-16 LPA
6. Infosys

Rating: 4.1/5
Founded in: 1981
Address: Plot IVA/1A, Sector V, Salt Lake Electronics Complex, Kolkata 700091
Team Size: Significant presence with 3,500+ employees in Kolkata
Web URL: www.infosys.com
Infosys is recognized worldwide for its latest digital services and consulting, established in 1981 with just $250 from its first group of seven engineers. Now, the company ranks second among Indian IT services providers and works in more than 50 nations. Infosys was the fourth organization from India to hit a market value of $100 billion.
The focus of Infosys Kolkata is to offer innovative services in artificial intelligence, automation, and cloud computing. Clients in the financial services and manufacturing industries are served by the company. In 2024, Infosys is expected to earn $18.2 billion, and it is still improving its employees and adopting the latest technologies to stay ahead.
Key Services:
- Digital Transformation Services
- Application Development and Modernization
- Data and Analytics Services
- Cloud and Infrastructure Services
- Cybersecurity Solutions
- Consulting and Strategy Services
Average Salary: Starting packages range from ₹3.5-4.5 LPA, with senior professionals earning ₹14-22 LPA
7. Tech Mahindra

Rating: 3.8/5
Founded in: 1986
Address: Webel IT Park, Block A, Sector V, Salt Lake, Kolkata 700091
Team Size: Established team of 2,800+ professionals in Kolkata
Web URL: www.techmahindra.com
Tech Mahindra is in the forefront of offering digital transformation and business re-engineering services and solutions. Created in 1986 with Mahindra Group and BT Group, the company has turned into a technology services provider operating around the world. Telecom, banking and manufacturing solutions are the main services offered by Tech Mahindra Kolkata.
The company has been a leader in applying 5G technology and digital change. By 2024, Tech Mahindra is expected to earn $6.5 billion and continue to strengthen its abilities in artificial intelligence and Internet of Things. Being innovative and putting customers first, the company has achieved the trust of many clients as a reliable technology partner.
Key Services:
- Digital Transformation Services
- Telecommunications Solutions
- Cloud and Infrastructure Services
- Cybersecurity Solutions
- Data Analytics and AI
- Enterprise Application Services
Average Salary: Entry-level positions start from ₹3.5-5 LPA, with experienced roles offering ₹10-15 LPA
8. RS Software India Ltd.

Rating: 3.7/5
Founded in: 1987
Address: FMC Fortuna, 234/3A, A.J.C. Bose Road, Kolkata 700020
Team Size: Compact team of 800+ professionals
Web URL: www.rssoftware.com
RS Software is one of the most popular software solution and service providing companies, which was established in 1987 and headquartered at Kolkata. The firm focuses on travel and transportation industry, especially airline, hospitality and logistics industries. RS Software has already become a niche player in the worldwide travel technology market, with clients in North America, Europe, and Asia-Pacific.
The company has its major products as airline reservations systems, revenue management systems as well as customer service systems. RS Software is projected to generate a revenue of around 25 million US dollars in 2024, meanwhile, continuing to invest into the modernization of its technology stack and market expansion.
Key Services:
- Travel and Transportation Software Solutions
- Airline Reservation Systems
- Revenue Management Solutions
- Customer Service Platforms
- Data Analytics and Business Intelligence
- Cloud Migration Services
Average Salary: Freshers earn ₹3-4.5 LPA, while senior professionals can earn ₹8-12 LPA
9. Web Spiders Group

Rating: 4.3/5
Founded in: 2005
Address: Godrej Waterside, Plot 5, Block DP, Sector V, Salt Lake, Kolkata 700091
Team Size: Growing workforce of 500+ professionals
Web URL: www.webspiders.com
Web Spiders Group is a full service digital solutions company established in 2005, which deals with web development, mobile applications, and digital marketing services. The firm has developed a good reputation in providing innovative solutions to customers in different business sectors such as e-commerce and real estate. Web Spiders boasts of more than 2,000 projects done and clients spread across 25 plus countries.
The company specializes in the field of the most recent technologies such as React, Angular and cloud platforms. Embracing the culture of quality and customer satisfaction, Web Spiders has not only acquired a number of certifications but also has long-term relationships with its clients. The revenue of the company has been increasing; by 2024, the company revenue will be about 5 million dollars.
Key Services:
- Web Development and Design
- Mobile App Development
- E-commerce Solutions
- Digital Marketing Services
- Cloud Computing Solutions
- Software Testing and QA
Average Salary: Starting salaries range from ₹2.5-4 LPA, with experienced developers earning ₹6-10 LPA
10. IBM

Rating: 4.0/5
Founded in: 1911
Address: Godrej Waterside, Plot 5, Block DP, Sector V, Salt Lake, Kolkata 700091
Team Size: Large enterprise with 3,000+ employees in Kolkata
Web URL: www.ibm.com
IBM is a multinational technology company and also one of the largest employers in the technology industry across the world. IBM was founded in 1911 and has been a leader in the computing technology industry; the company is still a leader in artificial intelligence, cloud computing, and quantum computing.
IBM Kolkata is a major delivery center and IBM Kolkata specializes in cognitive solutions, cloud services and enterprise applications. Watson AI platform and hybrid cloud solutions offered by the company have transformed the way businesses work and make decisions. In 2024, IBM will have revenues of $60.5 billion as it continues to reshape itself into a hybrid cloud and AI company.
Key Services:
- Cloud and Cognitive Software
- Global Business Services
- Systems and Technology Services
- Watson AI Solutions
- Security Services
- Blockchain Solutions
Average Salary: Entry-level positions offer ₹4-6 LPA, while senior professionals can earn ₹15-25 LPA
Salary & Career Outlook
Average Salary in Kolkata IT Companies
- Entry-Level Software Engineers (0-2 years): ₹3-6 LPA in service-based companies like TCS, Infosys, and local IT firms
- Mid-Level Professionals (3-6 years): ₹8-15 LPA with potential for higher packages in specialized roles
- Senior-Level Professionals (7+ years): ₹18-30 LPA, with leadership roles commanding premium salaries
- IT Consultants: Average salary of ₹10.2 LPA based on market data for Kolkata professionals
- Specialized Roles: Cloud Architects and AI specialists earning ₹7.7-45 LPA depending on expertise level
Key Skills in Demand
- Artificial Intelligence & Machine Learning: Proficiency in TensorFlow, PyTorch, OpenAI GPT, and Amazon SageMaker for developing intelligent applications
- Cloud Computing: AWS, Azure, and Google Cloud expertise as businesses migrate to cloud-first architectures
- Data Analytics & Big Data: Skills in data handling, analysis, and visualization tools for business intelligence
- Cybersecurity: Growing demand for security professionals to protect digital assets and infrastructure
- Full-Stack Development: JavaScript frameworks, Python, Java, and modern web technologies for versatile development roles
Career Progression Opportunities
- Technical Leadership Track: Progress from Developer → Senior Developer → Tech Lead → Architect → CTO
- Product Management: Transition from technical roles to product strategy and business development positions
- Specialization Path: Deep expertise in AI/ML, DevOps, Cloud Architecture, or Data Science for niche consulting roles
- Entrepreneurship: Kolkata’s growing startup ecosystem offers opportunities to launch tech ventures
- Cross-Industry Movement: IT skills are transferable across healthcare, finance, e-commerce, and manufacturing sectors
Retention Challenges
- Competitive Salary Pressure: Professionals often switch companies for 20-30% salary hikes, creating high turnover
- Limited Growth Opportunities: Fewer senior positions compared to metros like Bangalore and Hyderabad
- Work-Life Balance: Demanding project timelines and client expectations leading to burnout
- Skill Obsolescence: Rapid technology changes requiring continuous learning and upskilling
- Geographic Limitations: Talented professionals migrating to other IT hubs for better opportunities
How to Find Internship/Job Opportunities
- Job Portals Online: Take advantage of Naukri, LinkedIn, Indeed and AngelList to apply to both full-time and internship opportunities
- Campus Placement: Take the help of college placement cells and ensure good academic records to be recruited directly
- Professional Networking: Go to technology meetups, conferences, and become a part of Kolkata developer groups
- Company Websites: Apply directly on the career page of the large IT companies, such as TCS, Wipro, Cognizant and local companies
- Recruitment Agencies: Collaborate with IT recruitment specialist firms which have pre-existing connections with employers
Tips for Freshers in Kolkata
- Master Core Technologies: Focus on Java, Python, or JavaScript fundamentals before exploring AI/ML, cloud computing, or data science specializations that are highly valued in Kolkata’s IT market.
- Build a Strong Portfolio: Build Github repositories of real projects that could also be end-to-end applications demonstrating to potential employers the coding capability in practice.
- Leverage Kolkata Networks: Participate in tech communities active in Kolkata, such as Google Developer Groups and Python Kolkata; plus, attend meetups at Mindspace or any co-working space.
- Service Companies First: First gain structured training at traditional giants TCS, Infosys, Wipro, and Cognizant; after 2-3 years’ experience, move on to product companies and startups.
- Develop Communication Skills: Work on English fluency and presentation skills, as clients and technical discussions would require explaining complicated technical concepts lucidly to non-technical stakeholders.
- Keep Interview-Ready: Always practice coding questions on coding challenge websites such as LeetCode and GeeksforGeeks; system design and behavioral interviews must always be discussed as well.
Conclusion
In 2025, the IT industry in Kolkata offers outstanding opportunities to freshers and experienced professionals. In addition to the emerging status of the city as a technology hub, the availability of large international IT corporations presents an active environment to develop a career. Competitive salaries, variety of projects to work on and cheaper living costs as compared to other metro cities make Kolkata a good prospect to IT professionals.
The growth of IT companies in Kolkata is a continuing process which is backed up by government efforts and development of infrastructures, assuring further growth and job creations. With the industry changing and new technology on the rise, such as AI, cloud computing, and cybersecurity, there will be plenty of opportunities in regards to career growth when professionals upskill and remain adaptable to change. Cities like Kolkata and IT Companies in Bhopal are both contributing to India’s expanding tech ecosystem, offering a blend of opportunity and innovation. Kolkata is a city of culture and modern IT infrastructure which makes it a perfect place to establish a thriving technology career and at the same time enjoy the high quality of life.
FAQs
What is the best paying IT company in Kolkata?
The salaries of companies such as IBM, TCS, and Infosys are usually the highest, with senior jobs paying between 15-25 LPA, but this again depends on the position and experience.
What is the Kolkata IT companies freshers average salary?
The fresher can get an average starting salary of 2.5-5 LPA, and the companies such as TCS, Infosys, and Cognizant are providing a package of 3.5-4.5 LPA.
What are the most sought after programming languages in Kolkata?
Python, Java, JavaScript, C#, and React are in high demand, as well as cloud computing experience in AWS, Azure, and Google Cloud Platform.What do I do to be recruited in the best IT firms in Kolkata?
Develop technical abilities, make a good portfolio, use campus placements, job portal, and networking events alongside ensuring that you are well prepared to face technical interviews.
Do freshers have a growth perspective in Kolkata IT companies?
Yes, the majority of the IT firms in Kolkata do provide well-defined career advancement tracks, mentorship, and scope of skill development and growth to higher levels of technical and management positions.