Save your Mastercard in 3 easy steps:
Select "My Payment Methods" under "My Account"
Add your card details, ensuring the "Save as Default Payment Method" box is ticked
Click "Add card"
Your details will be securely stored and ready for your next purchase!
Offer Terms & Conditions:
For discount to be applied: (i) case-sensitive promotion code: MASTERCARD must be entered on the payment page, (ii) order must be over £100, and (iii) Mastercard branded card must be used to complete the transaction.
Voucher is only applicable on costco.co.uk, and not redeemable in the warehouse. Limit 1 per membership. Maximum 10,000 overall redemption during promotional period valid August 28, 2020 - August 31, 2020. Costco reserves the right to withdraw this offer at any time and without prior notice.
Offer is strictly non-transferable and cannot be sold or exchanged for cash. Cannot be used in conjunction with other offers. Costco reserves the right to reject the use of this voucher with reasonable cause. Voucher is only applicable to the product. Ineligible purchases include new Costco memberships, renewals, online subscription, vouchers/gift cards, stamps and tyres.
Products sold online may have different pricing than the same products sold at your local Costco warehouse due to shipping and handling fees charged for delivery.
Money saving guides written by our experts
Join for free and receive our best vouchers and deals by email - all hand-picked by our community. Found a voucher code not on Latest Deals? Share it and earn Amazon vouchers!
Chief Bargain Hunter