Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.

Upromise - Upromise is the cashback coupon and rebate site.

Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.

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.

Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.

KOHO - KOHO is a place where you can access your money in real-time and get instant cashback.