J Sainsbury plc is a British supermarket chain that was founded in 1869. The company operates over 1,400 stores across the United Kingdom, including convenience stores and supermarkets. J Sainsbury plc is known for its focus on quality and value, offering a wide range of products including groceries, clothing, and home goods. The company is committed to sustainability, with initiatives such as reducing food waste and using renewable energy sources. J Sainsbury plc is one of the largest retailers in the UK and is listed on the London Stock Exchange.