TopCashback - TopCashback names itself the UK’s most generous cashback site. They offer cashback on over 5,000 retailers with a variety of payment methods including gift cards, PayPal and bank transfer.
Paribus - Find out for free if online stores owe you a refund!
Freebird - Freebird is a cashback and shopping rewards platform that allows anyone to participate at no cost.
Lolli - Earn bitcoin when you shop online
Earny.co - Win prizes on Amazon purchases
BeFrugal - BeFrugal is a cashback shopping portal that allows you to receive cashback on every purchase.