Ocado will start selling M&S products instead of Waitrose in September - but will this make your Ocado grocery shopping cheaper or pricier? Which? investigates.
Just one mince pie was good enough to be a Which? Best Buy this Christmas: M&S Collection Mince Pies (£2.50, or 42p a pie). It scored 87% in our blind...
M&S.com shoppers will be able to stagger payments interest-free over six weeks. But what are the risks of using this new option at the checkout?
Marks & Spencer (M&S) crashed out of the FTSE 100 last week. Which? takes a look at what it means for investors and shoppers.
Was Asda, Morrisons or Sainsbury's the cheapest supermarket in July 2019? Which? has crunched the numbers to find out.
The number of sausages on supermarket shelves can be overwhelming. We’ve investigated the ingredients of 41 supermarket sausages, including those from Tesco, Sainsbury’s, Aldi, Heck and Richmond to find out how much pork is in your sausage.
We reveal the best and worst convenience stores of 2019, from Sainsbury's, Tesco and Waitrose to McColls, Spar and Londis. How does your local store fare?
Octopus Energy will be M&S Energy’s new supply partner from September 2018. M&S gas and electricity customers: find out what this means for you.
Waitrose has been rated the best supermarket in the UK according to its customers, who told us they loved its superb food and easy-to-navigate stores. Iceland was rated the best...