Deal would have created a supermarket with a market share of 23. 6%, still well behind Tesco’s 27. 8% Sainsbury’s held merger talks with rival Morrisons this year to discuss a multibillion-pound deal that would have been the biggest shake-up for UK supermarkets in decades, according to reports.
Source: [Guardian World](https://www.theguardian.com/business/2026/oct/05/sainsburys-morrisons-merger-talks)