Zeek is a mobile app and web-based platform that allows users to sell their unwanted vouchers for cash and buy gift cards to leading UK brands at a discount. Zeek is on a mission to help rescuing $100B of store credit lost every year by providing a safe, easy to use and cost effective service. Since launching in the UK at the beginning of 2015, they have rescued hundreds of thousands of pounds for users that would otherwise have been wasted.