Recently Zing has upgraded their referral rewards to £30
Sign up for Zing and spend £5, then you will receive an extra £30 within 30 days
www.zing.me/referrals?referralCode=ZThkNGQ4NTYtMGI1Mi0zZGM5LThhMWEtNzIxMmRlMTE0ZDM2
No credit history fingerprint left - Any ID accepted (provisional/driving licence & passport)