Do you enjoy playing at the UK’s best online casinos but want something different from the established names? A wave of new casino sites UK is arriving in 2025, giving players more choice in bonuses, design, and game selection. New Sites such as SpinKing Casino, GeckoPlay, and Mega Riches Casino are among those adding thousands of slots, table games, and live dealer titles, while sites like Kachingo and 247bet Casino combine good welcome offers with mobile-ready platforms.
247bet Casino
247bet Casino is another 2025 launch that combines sports betting with casino games. The welcome offer is a 100% deposit bonus up to £247 + 100 spins on Big Bass Splash. The casino features more than 2,800 games, including live blackjack and roulette.

Mega Riches Casino
Mega Riches Casino is one of the largest new UK casino sites set to make an impact in 2025. New players receive a 100% first deposit match up to £50, along with 50 bonus spins. 18+, full terms apply.
What sets this brand apart is its scale: a catalogue of more than 7,500 games. This includes classic and video slots, progressive jackpot titles, blackjack, roulette, baccarat, and a fully equipped live dealer studio. The depth of choice means Mega Riches appeals to both casual slot players and those who prefer table games or live formats.

SpinKing Casino
SpinKing Casino is new for 2025. The welcome offer is a 100% match bonus up to £100 plus 25 bonus spins on Book of Dead. The site provides more than 1,500 games, including Megaways slots and live dealer tables.

GeckoPlay Casino
GeckoPlay is one of the new UK casino sites to watch in 2025. Its launch package gives a 100% deposit bonus up to £80 plus 160 free spins on Big Bass Bonanza slot. Players can expect 800+ games, with a focus on mobile slots and live blackjack.

Kachingo Casino
Kachingo Casino joins the market with a 100% first deposit bonus up to £150 and 50 free spins on Big Bass Splash. The site lists around 1,200 games, covering popular slots, table titles, and live dealer options.

NeptunePlay Casino
NeptunePlay Casino launches in 2025 with a straightforward welcome package: 100% first deposit bonus up to £50 plus 110 free spins. The platform features slots, table games, and a live dealer lobby.

CasinoKings
CasinoKings returns in 2025 with a new platform. The current welcome bonus is up to £100 in funds plus 50 bonus spins on Starburst. The site offers a mix of slots, jackpots, and live dealer games.
7bet Casino
Originating in Lithuania, 7bet Casino brings you over 1250 games, including some massive progressive jackpots. Their welcome bonus to new players is a 100% first deposit match worth up to £50.
Casinomite
Casinomite was also launched in September. They provide a 100% first deposit match worth a maximum of £100 as a welcome bonus. There’s over 2400 games to access from more than 100 different providers.
Hot Wins Casino
Hot Wins Casino includes in excess of 2500 games in its online library. There are slots, table games and a live dealer area stocked with roulette, baccarat, blackjack and Sic Bo.
Betrino Casino
At Betrino Casino, grab a 200% welcome bonus worth up to £50. You’ll find classic and video slots, including the popular Megaways games. There are also plenty of table games and an enticing live dealer studio.
The following casinos are all expected to launch in 2025:
Betnero Casino – 2025 arrival; offers slots, jackpots, and live dealer games.
Quickbet Casino – Sports-led brand moving into UK casino.
PlayWins Casino – Scheduled to go live in 2025, with a focus on live dealer tables.
BetWright Casino – Launch 2025; new player offers pending.
Ivy Casino – Smaller-scale operator entering the UK market in 2025.
Puntit Casino – In testing phase; launched late 2025.
SmoothSpins Casino – Set to debut in 2025, aimed at mobile-first play.
Explore the best online casino promotions for UK players here.
The Future of UK Online Casinos: Growth, Revenue, and New Entrants in 2025
he UK online gambling market continues its steady rise, with gross gambling yield (GGY) for the calendar year 2024 reaching £6.5 billion, a 2.8% increase year on year. Regulatory data from the UK Gambling Commission places the remote sector (casino, betting, and bingo) even higher at £6.9 billion for the fiscal year ending March 2024. Both figures confirm that the sector comfortably exceeds the £5 billion milestone once thought to define its near-term potential.
Looking ahead, forecasts point to further momentum. Grand View Research projects the UK’s online gambling market to nearly double to USD 15.1 billion (~£11.8 billion) by 2030, reflecting a 12.8% compound annual growth rate (CAGR). Even the most conservative outlook suggests robust expansion, fuelled by digital adoption, live casino formats, and seamless mobile play.
New entrants are also shaping the landscape. The launch of platforms such as GeckoPlay, 247bet, SpinKing, Casinomite, and HotWins Casino highlights the constant churn of innovation in the sector. These operators promise not only broader game libraries but also new forms of personalization and loyalty rewards, intensifying competition among established names.