Founded in 2004, Mr Simms Sweet Shop is a beloved confectionery retailer known for its nostalgic charm and wide selection of traditional sweets. With over 50 stores across the United Kingdom and globally, Mr Simms Sweet Shop transports customers back in time with its quaint decor and hand-picked assortment of delectable sweets. Mr Simms Sweet Shop is also famous for the viral Black Death Ultra Sour sweet. Lemon-flavoured, acid-coated, and possibly the most sour sweet ever.