List of supermarket chains in the United Kingdom
As of November 2024, there are 17 supermarket chains currently operating in the United Kingdom. The food retail market has been dominated by the 'big four' supermarkets – Tesco, Sainsbury's, Asda and Morrisons – which made up more than three quarters of sector market share in 2010.
Source: Wikipedia — List of supermarket chains in the United Kingdom (CC BY-SA 4.0)