Welcome to

OAS Group

As a premier real estate development company in Kolkata, OAS Group has etched a remarkable legacy of delivering unparalleled satisfaction to a delighted clientele of over 2000 individuals and entities. With a diverse portfolio encompassing educational institutions, societies, agricultural ventures, as well as residential and commercial sectors, OAS Group stands as an unwavering beacon of excellence in the dynamic landscape of Kolkata’s real estate development. 

Throughout its remarkable journey, OAS Group has solidified its reputation as a distinctive and trusted real estate development company in Kolkata, celebrated for its unwavering dedication to prioritizing client contentment. With a track record spanning more than a decade, the company has mastered the art of transforming dreams into tangible reality. At the helm of OAS Group’s visionary endeavors is its founder, Mr. Ramjan Ali SK, who leads a team of seasoned experts. Together, they have unveiled an impressive array of affordable dream properties, ensuring that every individual’s aspiration of owning a home is fulfilled at the best possible value.


As a leading real estate developer in Kolkata, OAS Group is dedicated to continuously elevating the standard of client service. We relentlessly explore innovative ways to enhance our offerings, taking immense pride in our unwavering commitment to customer satisfaction. As a reputed real estate development company in Kolkata, our goal is not just to meet but to consistently exceed expectations with every project. Whether you’re a prospective homebuyer taking your first step toward property ownership or in search of rental options, OAS Group’s customer-centric approach ensures a seamless and enriching experience, making us your trusted choice in Kolkata’s real estate landscape.

In your quest for a dependable and experienced real estate development company in Kolkata, OAS Group emerges as the definitive choice. With an unwavering commitment to quality, transparency, and the well-being of its clients, OAS Group is poised to turn your real estate ambitions into an enriching reality. With a stellar reputation that precedes it, a diverse portfolio that caters to various sectors, and a relentless focus on affordability, OAS Group stands as your trusted partner in the pursuit of your dream property in the vibrant and ever-evolving city of Kolkata. Experience excellence, reliability, and affordability with OAS Group – your premier real estate development company in Kolkata.

Founder's Vision

“I am like a flower in which the Almighty has filled with the sweetest of the nectar so that the honey bees around me can feed and sustain.”

- Mr Ramjan Ali Sk.