You can check your gift card balance via your M&S account. If you aren’t already sign in by clicking ‘sign in’ at the top, right hand corner.
Click ‘Go to your account’ below to be taken to your M&S account page. Under the ‘Payments and delivery’ section, click the ‘Check gift card balance’ link.
You will then be asked to enter your gift card number, this is the 16 digit number printed across the centre of the card. Once you have entered this, your gift balance will be displayed.
Alternatively, you can check your gift card balance by calling Customer Services on 0333 014 8777
You can check it by clicking here