Complex sentence: Value and discount retailers have seen a boom in sales since the recession at the start of 2009, with several retailers operating with the same strategy as Poundland, such as independent businesses and smaller price-point retail chains such as Poundworld.
Split into simpler sentences: Value and discount retailers have seen a boom in sales since the recession at the start of 2009. Although there are several retailers with the same strategy as Poundland, such as independent businesses and smaller price-point retail chains such as Poundworld.