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Best UK Competition Sites: How to Choose One You Can Trust

Last updated 24 July 2026

There are dozens of UK competition sites offering cars, tax-free cash and tech for the price of a ticket. Most are genuine — but not all are run the same way. Here’s a simple checklist to help you spot the best UK competition sites and enter with confidence.

1. It has a genuine skill question

A lawful UK prize competition must involve real skill or knowledge. If a site lets you enter with no skill element at all, be cautious. A proper skill question is the difference between a legitimate prize competition and something that isn’t run correctly.

2. There’s always a free postal entry route

A trustworthy operator offers a free postal entry with the same chance of winning as a paid ticket. You should never have to pay to take part. If you can’t find a no-purchase route in the terms, that’s a red flag.

3. It publishes the full entry list

The single best sign a site is honest is transparency. After a draw closes, the best competition sites publish the complete entry list — every ticket number, so you can check the announced winning number for yourself on the entries page. This is exactly how transparent draws prove a result wasn’t rigged.

4. Winners are published openly

Look for a public results page showing real, recent winners. A site that regularly names winners and pays them promptly is one you can trust.

5. The terms are clear and the odds are capped

Good sites tell you the ticket limit up front, so you know the maximum number of entries in each draw. Clear terms, a stated closing date and a defined prize are all marks of a well-run competition website.

Our transparency promise

Nitrous Competitions ticks every box above: a genuine skill question, a free postal route, a published entry list after every draw, open results and clear terms. Browse the current live competitions to see it in action. 18+, UK only. Please play responsibly.

Frequently asked questions

What makes a UK competition site legit?

A legitimate UK prize-competition site includes a genuine skill question, offers a free postal entry route with the same chance of winning as paid entries, publishes clear terms, and pays winners openly. The strongest sign of trust is a published entry list you can check after each draw.

How do I know a competition draw isn't rigged?

Look for a site that publishes the complete entry list after the competition closes. When every ticket number is public, you can match the announced winning number yourself and verify the result rather than taking the operator's word for it.

Do I have to pay to enter competitions?

No. A properly run UK prize competition must offer a free postal entry route that carries exactly the same chance of winning as a paid ticket.