TopCashback vs Quidco 2026: which UK cashback site pays more?

Britain's two big cashback sites cover broadly the same retailers, so the difference comes down to how much of the commission reaches you, the sign-up bonus, and how you get paid.

The commercial model

This is the headline difference. TopCashback returns 100% of the retailer's commission to members, funding itself through an optional Plus tier and gift-card margins. Quidco keeps a small percentage of each payout. All else equal, that makes TopCashback the higher-returning of the two on most transactions.

The sign-up bonus

TopCashback pays a £20 new-member bonus (and £25 to the referrer), released once you earn £10 of tracked cashback within 180 days. Pick one substantial purchase you had planned — a broadband switch, a holiday, a big homeware order — and you'll clear the £10 threshold and bank the £20 on top. Quidco runs its own sign-up incentives from time to time, but TopCashback's combination of 100% commission and the £20 bonus is the stronger opener.

Retailers and payouts

TopCashback lists 5,000+ retailers (Quidco around 4,500+), and the two overlap heavily — but individual rates vary by retailer, so for a single big purchase it genuinely pays to check both. On withdrawals, TopCashback adds a 3–10% uplift on gift cards for the likes of Amazon, Tesco, Costa and M&S, which is free extra money if you were going to spend there anyway.

How cashback timing works

On either site, cashback tracks within days, then becomes payable weeks later once the retailer confirms the sale — longer for travel and insurance. The bonus is gated on confirmed cashback, so plan for the wait.

The verdict

For headline value, the sign-up bonus and the gift-card uplift, TopCashback wins in 2026. The smart approach is to keep both accounts and check the per-retailer rate before each significant shop — but if you open one, open TopCashback.