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Sainsburys Cashback
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Sainsbury’s

⚡ 20 seconds

How Custard
Gift Cards Work

Buy a Custard Gift Card before you pay, use it like cash, and get instant cashback on your purchase

Instant Cashback at Sainsburys Cashback

With Custard, you get instant cashback at over 150+ retailers, both online and in-store. No waiting weeks or months like traditional cashback websites, your cashback can appear in your account within minutes.

We’ve already paid out over £925,000 to our members. Join for free today and start earning cashback in minutes.

About Sainsburys Cashback

Earn Instant Cashback at Sainsbury’s with the Custard App

From the weekly food shop to household essentials and even fuel, Sainsbury’s has everything you need — and now you can earn instant cashback when you pay using a gift card via the Custard app.

Everyday essentials. Everyday rewards.

How It Works

  1. 📱 Download and open the Custard app

  2. 🛒 Buy a Sainsbury’s gift card for the amount you want to spend

  3. 💷 Receive instant cashback straight into your Custard account

  4. 🧾 Use your gift card in-store at any UK Sainsbury’s (including at fuel stations)

Whether you're doing the big shop or grabbing a few top-ups, Custard helps you save while you spend.

Why Use Sainsbury’s Gift Cards with Custard?

Sainsbury’s is one of the UK’s favourite supermarkets — known for great value, quality products, and convenient locations. With Custard, every grocery run becomes an opportunity to earn instant cashback.

Perfect for:

  • 🥦 Weekly groceries and fresh food

  • 👕 Tu clothing and seasonal items

  • ⛽ Fuel at Sainsbury’s petrol stations

  • 🎁 Gifting practical value

  • 💸 Anyone who wants to earn cashback on everyday spending