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New customers only. Opt in required. Qualifying bet must be £10 or more and placed at odds of 1.5 or higher. Free bet must be used in-play. Free bet is non-withdrawable, expires after 7 days and is not returned with winnings. Full T&C’s Apply.

  • UK Licensed Bookmaker
  • Mobile Friendly
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  • Top Odds

21.CO.UK Sports Betting Review’s sportsbook stopped operations in July, 2023. The casino site is successfully working.

Here is the old review.

After proving themselves in the world of online gaming, online bookmaker has set out to have an equally large impact in online sports betting. With odds and markets available on all major sports events and the ability to make bets both pre-game and in-play, there is an awe-inspiring experience available for all 21 CO UK players. 

Perhaps most importantly, as is a sports betting provider, they are one of the most highly regulated sites on the UK online gambling market today, which means that they can guarantee that their players will have the safest experience possible on 

There are always rotating promotional offers at The best bet to stay on top of the latest offers is for players to adjust their account settings to ensure notification of all new promotional offers.

21 co uk Sports Betting App

The mobile app is compatible with both Android and iOS devices. Players who download the app will be able to both bet on sports and gamble with the casino bonus.

Sports, Events & Bet Types

Football, horse racing and rugby league and union are the most prominent betting markets at bookmaker but there’s so much more to offer than just the big-time sports. There’s also American football, baseball, basketball, Australian Rules, boxing, chess, cricket, cycling, darts, Gaelic sports, golf, greyhounds, esports, motorsports, ice hockey, lacrosse, netball, snooker, the Olympic Games, tennis, table tennis, UFC/MMA, trotting and winter sports. 

They also have a wide range of virtual sports betting markets including football, greyhounds and horse racing. Odds are also offered on political elections and popular television events such as the Eurovision Song Contest.

Moneylines, totals, spreads, outrights, props and accumulators are offered. Other betting lines at website/app include draw no bet, each way and both teams to score. American, decimal and fractional odds are all available.

In-Play Betting & Live Streaming

The in-depth in-play markets at ensure that bettors rarely miss out on the opportunity to make that wager that they’ve been eyeing up since the sixth minute of the match. There are links atop drop down menu through which players can go directly to active live bets, or to a list of events that are starting soon. 

Their visualisation centre and live streaming allow players to view scorecards, stats, split odds and more with the custom design.

Additional Features 

At online sportsbook, they know that simplicity and speed is what their customers want, which is why they have added ‘fast market’, which is a tool that allows bettors to click straight into the fastest market from the dashboard.

They also provide players with price boosts in the betting lounge. This is where bettors can find some of the best prices available online from a reliable betting provider. They can also keep up to date with the data from their chosen game or market.  

Payment Options

Funding options at include ​​Visa, Visa Debit, Visa Electron, Mastercard and PayPal.

The minimum amount a player can withdraw is £10.


There’s a live chat option available that leaves customer service a click away. An extensive help section will probably answer any query easily.

Alternatively, you can try new online sports betting sites UK players can access, betting apps such as 10bet app or bet365 Sports.

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