How we rank: Grocery delivery
The Score (0–100) is a weighted sum of the factors below. Each factor is the weighted average of its metrics; each metric is calculated from one published fact. Missing facts score zero, and a service is ranked only when enough of its Score is backed by facts.
A service is ranked only when at least 60% of its Score is backed by verified facts.
← Online supermarkets and grocery delivery in the UK 2026: a ranking built on verified facts
Reliability 20%
Whether the website names the seller's legal entity, usually with its registration number.
| Metric | Rule |
|---|---|
| Seller's legal entity on the website | Yes = 100, No = 0 |
Delivery 40%
Whether delivery can be free at least above a stated order value, whether the service delivers the same day, and whether you can choose a delivery time.
| Metric | Rule |
|---|---|
| Free delivery | Yes = 100, No = 0 |
| Same-day delivery | Yes = 100, No = 0 |
| Choice of delivery time | Yes = 100, No = 0 |
Quality promise 20%
Whether the service's own terms or help pages promise a refund or replacement for poor-quality or damaged goods.
| Metric | Rule |
|---|---|
| Refund for poor quality | Yes = 100, No = 0 |
Service 20%
Whether you can collect an order, whether there is a delivery pass or regular order, and the App Store rating of the service's own app.
| Metric | Rule |
|---|---|
| Click and collect | Yes = 100, No = 0 |
| Delivery pass or regular order | Yes = 100, No = 0 |
| App Store rating | 3★ = 0, 5★ = 100, damped below 100,000 ratings |