Kennelgate are all over the place and sell Taste of the Wild.
Why not just buy real meat from the butcher at half the price?
Dogs have co-evolved with humans and are readily able to digest a mixed diet, unlike wild wolves.
Cats can't so if you want cheap all-meat food for a dog whose digestive system is sensitive to cereals, try them on cat food.
Best dog food fail I came across was someone reading the ingredients then posting "Why do they put ash in dog food, that's disgusting!"