British supermarkets, including major players like Tesco and Sainsbury's, are under increased political scrutiny regarding their pricing strategies. Chancellor John Healey has stated the government is closely observing the sector for any indications of customers being overcharged, particularly as concerns mount that upcoming budget measures could focus on making weekly grocery shops more affordable. This has turned the spotlight onto the stock market performance of publicly traded supermarkets such as Tesco, Sainsbury's, and Marks & Spencer, which operate within the UK's £196 billion grocery market.
The controversy has been fueled by accusations of price gouging, notably from Giles Hurley, chief executive of Aldi, a German-owned competitor that does not utilize a loyalty program. The debate comes on the fifth anniversary of the cost of living crisis, which began in August 2021 when inflation reached 3.2% and peaked at 11% in October 2022. While the current inflation rate stands at 2.9% and food inflation has eased to 1.3%, rising energy costs and potential crop shortages due to drought in the UK and Europe could impact future prices on supermarket shelves.
Retail analysts, such as Clive Black, defend the listed supermarkets, emphasizing their narrow profit margins. Tesco, for instance, operates with a margin of 4.3%, a figure its chief executive Ken Murphy attributes to an 'intensely competitive market' where numerous retailers, including Aldi, Asda, Lidl, M&S, Morrisons, Sainsbury's, and Tesco, are in constant competition for customers. Black argues that these supermarkets are currently absorbing cost pressures and suggests that consumers might actually be paying too little for their food.
A 2023 investigation by the Competition and Markets Authority found no evidence of profiteering within the supermarket sector. Susannah Streeter of the Wealth Club noted that should the government reopen this inquiry, the supermarkets' thin margins would likely make it difficult to substantiate claims of price gouging. Similar concerns were raised previously when former Chancellor Rachel Reeves considered price caps on essential items, a proposal that faced significant backlash from the Bank of England and retailers. Stuart Machin, chief executive of M&S, described such proposals as 'completely preposterous,' citing instances where his chain lost money on products like milk.
Despite these defenses, the scrutiny could impact consumer trust and sales. Supermarkets may face pressure to keep prices low even as overheads like energy and wages increase. Tesco, the largest grocer with a 28.5% market share, has seen its shares fall 10% in the past six months, partly due to drought concerns. Sainsbury's, the second-largest with a 15.2% share, is undergoing a strategic shift to a 'food first' approach, divesting its Argos homeware arm. Marks & Spencer is experiencing growth in its grocery sector, with sales up 16% in a recent four-week period, and its shares have risen 17% year-to-date.