'A Fish called Rhondda' in Ton Pentre, South Wales.
'A Plaice on the Green' near Writtle Green, Essex
'The Star Chip Enterprise' mobile snack van in Cornwall
'Fishcoteque' up market chippie in London
some others I found though I don't know if they are real
'Northern Sole'
'A Salt and Battery'
'In Cod We Trust'