Research from MrQ suggests that one particular supermarket has received a whopping 75% of one-star reviews.
The comparison took into account big retailers such as Waitrose, Morrisons, Tesco, Aldi, Asda, Marks & Spencer and more.
After reviewing almost 80,000 negative reviews on Trustpilot and TripAdvisor, the supermarket has been confirmed.
READ MORE: Exact times to get 'yellow sticker' bargains at Marks and Spencer, Morrisons, Sainsbury's and Asda
Taking the lead with a total of 9,870 one-star reviews, a staggering 75% out of almost 10,000, was Asda.
This was followed by M&S, with 73% of one-star reviews, Sainsbury’s, with 71%, and Lidl with 67%.
The least complained about supermarkets online were Waitrose with 53% of one-star reviews, followed by Morrisons with 57%.
Taking the middle spot were Tesco, Aldi and Iceland, all within the 60-62% range of complaints online.
As well as supermarkets, the research also took into account fast food chains, with KFC receiving a staggering 79% of one-star reviews online.
This was closely followed by Burger King with 74% and Papa John's with 73%.
It's good news for Krispy Kreme and Frankie & Benny’s fans though, with a low score of 30% and 32% for one-star reviews online.
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