These elite businesses stand tall as dazzling lights of innovation and ease in Kolkata's enchanted environment, where passion and ambition entwine. Their tales go beyond simple commercial success, creating a fabric of love, happiness, and optimism for Kolkata and beyond. The legends of these firms, which are the top 10 companies in Kolkata, continue to shine as the city twirls with hopes and aspirations, paving the way for upcoming generations to write their own stories of grandeur. So get up and follow us on this enchanting tour of Kolkata's commercial genius history!

Tata Consultancy Services (TCS): An international provider of Information Technology services and consulting, Tata Consultancy Services (TCS) is based in India. It is a component of the largest conglomerate in India, the Tata Group. TCS's headquarters are in Mumbai, India, where it was established in 1968. TCS remained a significant IT sector participant, offering its clients state-of-the-art solutions worldwide.

PwC, One of the most popular and famous accounting firms and counted among the top 10 companies in Kolkata, originally PricewaterhouseCoopers, is a global professional services network. It provides clients with a wide range of services, including assurance, consulting, auditing, and tax advice. PwC, a major player in the worldwide professional services market, has an office in Kolkata.

FastInfo: FastInfo is a business conglomerate catering to individuals and business entities, having five subsidiaries: OnlineLegalIndia, FastInfoClass, InnovativeBharat, OnlyDesi, OnlineClassIndia, and OnlineRTI Application. FastInfo Legal Services Pvt. Ltd. is registered under the Companies Act 2013, recognised by the Government of India, and specialises in providing legal help and providing people with legal information they can use easily.  FastInfo’s core team consists of skilled and proficiently qualified Advocates and a diligent team of other professionals, all under one roof. They provide solutions to all individuals, business people, corporate bodies, and others to get better help for the issues they face in their everyday lives. FastInfo is ranked within the top 10 companies in Kolkata.

ITC: Imperial Tobacco Company of India Limited, formerly known as ITC Limited, is a diversified Indian conglomerate with a sizable presence in a number of industries. ITC was founded in 1910 and has its corporate office in Kolkata, India. ITC's dominance in the Indian corporate environment results from its wide-ranged business strategy and emphasis on sustainability. 

Cognizant: Cognizant Technology Solutions Corporation, commonly known as Cognizant, is a leading multinational technology company specialising in IT services and consulting. Founded in 1994, Cognizant is headquartered in Teaneck, New Jersey, in the United States. Cognizant has established itself as a significant player in the global IT services and consulting industry, providing innovative solutions to its clients and adapting to the evolving technology landscape. Cognizant have one of its corporate offices in Kolkata and among the top 10 companies in Kolkata

Wipro Limited: An Indian multinational organisation called Wipro Limited offers business process, consultancy, and information technology services. Bangalore, India, is the home base for Wipro, which was founded in 1945. It is a significant player in the international IT sector and one of India's biggest IT service providers. Wipro has contributed significantly to the expansion of the Indian IT sector and is known for providing top-notch services to its customers worldwide.  

Merlin Group: The "Merlin Group" is an Indian real estate development firm. They are one of the top and most well-known developers in the nation, specialising in the construction of residential and commercial structures. Since its founding in 1984, the business has worked on multiple projects in various Indian cities. Their portfolio contains a variety of projects, including townships, integrated housing complexes, retail spaces, and IT parks. They have established a reputation for producing high-quality properties. It's vital to remember that the data may have changed after my previous update. For the most up-to-date information about the Merlin Group's projects, developments, and associated information, consult their official website or other trustworthy sources.

EY: formerly known as Ernst & Young, is one of the world's largest professional services firms, providing a wide range of services in assurance, tax, consulting, and advisory services. It is one of the "Big Four" accounting firms, along with Deloitte, PwC, and KPMG. EY is a global organization with offices and operations in numerous countries worldwide. As a leading professional services firm, EY plays a significant role in auditing, consulting, and advising clients on various business challenges and opportunities.

Accenture: Accenture is a large, international provider of professional services that concentrates on strategy, consulting, digital, technology, and operations. It is one of the biggest consulting businesses in the world and a dominant force in the IT services sector. Technology, financial services, healthcare, consumer products, and other industries are just a few of the many industries Accenture works with as clients. Accenture is a trusted partner for companies looking to traverse the intricacies of the contemporary digital environment thanks to its expertise in consulting and technology services.

Haldia Petrochemicals Limited: Haldia Petrochemicals Limited (HPL) is a major petrochemical company based in Haldia, West Bengal, India. It is a joint venture between The Chatterjee Group (TCG) and the West Bengal government. HPL was established in 1994 and is a significant player in India's petrochemical industry. Haldia Petrochemicals has played a crucial role in promoting India's petrochemical sector and has contributed to the country's industrial growth. HPL is one of the best and one of the top 10 companies in Kolkata.