Guides · 6 min read · Updated 22 June 2026
Best UK cashback sites compared: TopCashback vs Quidco vs Rakuten
The three big UK cashback portals, how they differ, and how to choose the right one for each purchase.
How cashback portals work
A cashback site is an affiliate middleman. You start at the portal, click through to the retailer, and the retailer pays the portal a commission for sending you — which the portal shares back with you. The single most important habit: start your shopping trip at the portal and don’t open other tabs or click other ads in between, or the sale may track to something else and you’ll get nothing.
The three big UK portals
TopCashback — usually the highest headline rates because it runs on a freemium model and passes most of the commission back. The largest retailer coverage of the three. A small slice of payouts route through a “Plus” fee or you opt to keep the free tier; read which applies before you rely on the top-line rate.
Quidco — rates very close to TopCashback, with a clean app and a long, reliable track record on payouts. Has a small annual fee taken from your first earnings each year. Strong on high-street and travel retailers.
Rakuten — smaller UK retailer coverage than the other two, but worth checking because for specific brands it occasionally beats them, and it runs frequent bonus promotions. Tends to pay out on a fixed monthly schedule rather than per-transaction.
How they actually differ
- Rates. No portal is always highest. The same retailer can pay different rates on each, and rates change week to week — so the “best” site is per-purchase, not forever.
- Fees. TopCashback’s model and Quidco’s small annual fee both shave a little off; factor that in only if your annual cashback is modest.
- Payout speed. Cashback first “tracks” (pending), then “confirms” once the retailer’s return window closes — often weeks to a few months. This is normal across all three.
- Reliability. All three are long-established and pay out; the bigger risk is untracked clicks from your own setup (ad blockers, cookie rejection, mixed tabs) than the portal failing to pay.
Make tracking actually work
- Click straight through from the portal to the retailer, then buy in that session.
- Accept the cashback site’s cookies; pause ad/tracker blockers for the click.
- Don’t use other voucher-code pop-ups that inject their own affiliate link.
- Check the retailer’s exclusions — sale items and gift-card payment often void it.
Which one should you use?
Don’t pick one and stick with it — compare the rate for the specificretailer each time. That’s tedious by hand, so DealStacker checks the portals for you, picks the best rate for the item you’re buying, and shows the runners-up so you can choose your favourite site. It also folds the cashback into the wider stack alongside vouchers and gift cards — see the full stacking guide.
Search a product and DealStacker will show the best cashback route as part of the cheapest stacked price.
How we make money: DealStacker is free. When you click through to a retailer or cashback partner and buy, we may earn a commission. It costs you nothing extra and never changes which deal or portal we rank as best for you.
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