You may find some of these links interesting or useful

East Yorkshire Wedding and Party (directory)

Alice Rose (cakes)

The Fairy Godmothers (party dresses and ball gowns)

Coco and Bo (cocktail glasses and accessories) 

Masque Boutique (hand-made masks and fascinators) use code MET1 when ordering, and you will get 10% off the cost

Staggered (help for the groom)