Overview
- Tesco reported 3.3% like-for-like growth in the six weeks to January 3 and said profits should land at the top of its £2.9–£3.1 billion guidance as UK market share hit 29.4% in the Christmas month.
- Britain’s largest grocer logged its busiest-ever days on December 22–23 and an 11%+ rise in online sales after using AI tools to expand delivery capacity.
- Asda’s market share fell to a record low 11.4% in the 12 weeks to December 28 with sales down 4.2%, prompting a strengthened Asda Price Promise that undercuts rivals’ loyalty-card prices on more than 2,300 items.
- Sainsbury’s saw strong festive grocery trade but weaker non-food, with Argos sales down and overall like-for-like sales up 3.4% for the 16-week quarter, while it maintained guidance of more than £1 billion in retail profit.
- Which? named Aldi the UK’s cheapest supermarket for 2025 as discounters extended momentum, with Lidl reporting a record Christmas and both chains highlighting continued shopper focus on value.