The best slot sites in the UK 2025

Why these slot sites?

We keep things simple at Slot Sites. Most online slot and casino comparison sites are filled with tens of thousands of words of content that is usually written just to help them rank on Google, and is of no use whatsoever to you as the player. Our mission is purely to provide online slot players with a dedicated resource for finding the best new slot sites in the UK, without all the biased views from so called ‘casino experts’. We just give you the hard facts so you can make your own informed decisions and gamble responsibly.

Every slot site we list on our website is licensed and regulated by the UK Gambling Commission, meaning it is operating lawfully in the UK and provides you with a safe and secure slot gaming experience. Each slot game must pass a thorough test for randomness to ensure you have a fair chance of winning.

We continue to add new slot sites to our website on a regular basis, ensuring you’ve always got something to come back for. As an online slot player, it’s beneficial for you to regularly switch to new slot sites, as you can claim welcome bonuses each time. We’ve secured the most memorable domain for our website, slotsites.uk, so you’ll have no trouble finding us next time.

Slot Sites is operated by a UK Limited Company, Slot Sites LTD. You can contact us any time regarding services relating to our website. Though we do not own or operate any of the slot sites listed on our site, we are affiliated with most, so do not hesitate to contact us if you encounter any issues which the slot site fails to resolve.

Monopoly Casino monopolycasino.com
Play here

Monopoly Casino is themed around one of the world's most popular and well recognised board games. There are a number of exclusive Monopoly slot games to play and 30 free spins available for new depositing customers. Claim your bonus below.

Free Spins Play £10 Get 30 Free Spins

New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply.

Virgin Games virgingames.com
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Virgin is a well established brand that operate in a wide range of industries. The Virgin Games online casino launched back in 2013 and has since become one of the most reliable websites to play slot games.

Free Spins Play £10 Get 30 Free Spins

New members only, must opt in. Min £10 deposit & wager within 30 days from registration. Free Spins: on Double Bubble. 30-day expiry from credit. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. 18+.

Bally Casino ballycasino.co.uk
Play here

Bally is a huge casino company in the USA, founded in 2004 and operating 19 land-based casinos. Their UK online casino launched in 2023 and you can sign up below for 30 free spins on selected slot games.

Free Spins Play £10 Get 30 Free Spins

New members only, must opt in. Min £10 deposit & wager (excl. sports betting). 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply.