Every week, a new casino launches with a louder bonus and an innovative mobile application with AI features and fast loading games. Yet the brands that still dominate British screens are, for the most part, decades old — names forged on the high street long before the internet, or among the very first to take a real-money wager online. This is a feature about those survivors: who came first, how the industry grew up, who owns the giants now, what they actually offer beyond a trusted logo — and, in our view, why the next few years may be the hardest they have ever faced.
When online gambling began — and who got there first
The story starts not in London but in the Caribbean. In 1994, Antigua and Barbuda passed the Free Trade and Processing Act, the first law anywhere to licence online gambling operators. The same year, software pioneer Microgaming was founded, and within a couple of years the technical pieces were in place: encrypted payments arrived in 1995, and in 1996 InterCasino became the first online casino to accept real-money bets. The market exploded from roughly 15 gambling websites in 1996 to more than 200 a year later. In 1997, an Israeli-founded operation called Casino-on-Net launched — the business that would become 888, still one of the oldest online casinos trading today.
Britain came to the party properly with the Gambling Act 2005, which took effect in 2007 and created the UK Gambling Commission (UKGC). A further reform in 2014 introduced point-of-consumption licensing, requiring any operator serving British customers to hold a UK licence and pay UK tax — the framework that still governs the market.
How big is the UK online casino market?
Large, and concentrated. According to the UK Gambling Commission, 2,179 operators held licences as of March 2025 (running thousands of consumer-facing brands between them). Online play now dominates: remote casino gross gambling yield has climbed from £3.2 billion in 2019/20 to £5.0 billion in 2024/25, and in the most recent quarter remote casino alone made up 69.9% of the entire online sector. Britain counts 24.4 million active online gambling accounts. In short: a vast, mature market — and one the established brands have spent twenty years learning to own.
The top 10 established casinos in the UK
Ranked on a blend of heritage, scale and reputation. Each entry: owner, established date, gambling types, game categories and URL.
1. bet365
Owned by the bet365 Group, still controlled by the Coates family who founded it in 2000 in Stoke-on-Trent. It spans sportsbook, casino, Vegas, Games, poker and bingo on a single, famously polished platform. Game categories: slots, live casino, table games, jackpots and game shows, at bet365.com.
2. 888 Casino
Run by Evoke plc (formerly 888 Holdings, founded 1997 as Casino-on-Net), one of the oldest online casinos in the world — and, since June 2026, the subject of an agreed takeover by Bally’s Intralot. It offers casino, poker, sport and bingo across regulated markets. Game categories: in-house and third-party slots, live casino, table games and jackpots, at 888casino.com.
3. William Hill
Founded as a high-street bookmaker in 1934 and online since the late 1990s, now owned by Evoke plc (and part of the same pending Bally’s Intralot deal). It runs sportsbook, casino, Vegas, live casino, bingo and poker. Game categories: slots, live dealer, table games and jackpots, at williamhill.com.
4. Ladbrokes
One of Britain’s oldest bookmakers, founded in 1886 and online from 2000, now owned by Entain. It covers sports, casino, games, bingo and poker. Game categories: slots, live casino, table games and Slingo, at ladbrokes.com.
5. Paddy Power
Founded in 1988 through a merger of Irish bookmakers and online from around 2000, now part of US-listed Flutter Entertainment. Known for sport, it also runs a full casino, games and bingo. Game categories: slots, live casino, table games and exclusives, at paddypower.com.
6. Coral
Gambling firm founded by Joe Coral in 1926 and online from the early 2000s, now an Entain brand alongside Ladbrokes. It offers sports, casino, Vegas and bingo. Game categories: slots, live casino, table games and jackpots, at coral.co.uk.
7. Betfred
Established by the Done brothers in 1967 in Salford and online from the mid-2000s, still privately owned by Betfred (Done Brothers). It runs sports, casino, Games, bingo, poker and lotto. Game categories: slots, live casino, table games and Slingo, at betfred.com.
8. Sky Vegas
Part of Sky Betting & Gaming, launched around 2001 and now owned by Flutter Entertainment, sitting beside Sky Bet, Sky Casino and Sky Bingo. It is a casino-and-slots specialist. Game categories: slots, live casino, table games and game shows, at skyvegas.com.
9. PartyCasino
A descendant of PartyGaming, founded in 1997 and a poker-era pioneer, now owned by Entain. It offers casino and live casino alongside the famous partypoker. Game categories: slots, live dealer, table games and jackpots, at partycasino.com.
10. Jackpotjoy
Launched in 2002 on Gamesys technology and now owned by Bally’s, it is one of the UK’s best-known bingo-and-casino brands. It offers bingo, slots, casino and Slingo. Game categories: bingo rooms, slots, live casino and instant wins, at jackpotjoy.com.
The Big 10: The most reputable UK online casino brands
| # | Brand | Owner (2026) | Established | Types | URL |
|---|---|---|---|---|---|
| 1 | bet365 | bet365 Group (Coates family) | 2000 | Sports, casino, poker, bingo | bet365.com |
| 2 | 888 Casino | Evoke plc (Bally’s Intralot deal pending) | 1997 | Casino, poker, sport, bingo | 888casino.com |
| 3 | William Hill | Evoke plc (deal pending) | 1934 | Sports, casino, bingo, poker | williamhill.com |
| 4 | Ladbrokes | Entain | 1886 | Sports, casino, bingo, poker | ladbrokes.com |
| 5 | Paddy Power | Flutter Entertainment | 1988 | Sports, casino, games, bingo | paddypower.com |
| 6 | Coral | Entain | 1926 | Sports, casino, bingo | coral.co.uk |
| 7 | Betfred | Betfred (Done Brothers) | 1967 | Sports, casino, bingo, lotto | betfred.com |
| 8 | Sky Vegas | Flutter Entertainment | 2001 | Casino, slots, live casino | skyvegas.com |
| 9 | PartyCasino | Entain | 1997 | Casino, live casino, poker | partycasino.com |
| 10 | Jackpotjoy | Bally’s (Gamesys) | 2002 | Bingo, casino, slots, Slingo | jackpotjoy.com |
What they offer beyond reputation, trust and age
Heritage is the headline, but it is not the whole product. The established gambling brands in the United Kingdom, such as independent bet365 and Ladbrokes compete on substance newcomers such as Betsuna or EasyBet struggle to match:
- Scale and game libraries — thousands of slots, multiple live-casino studios, exclusive and branded titles.
- Stronger fund protection — the giants typically hold customer funds at higher segregation tiers and have the balance sheets to pay big wins without flinching.
- Omnichannel reach — high-street shops, apps and desktop under one account; bet365 and Sky add best-in-class live streaming.
- Mature responsible-gambling tooling — embedded deposit limits, affordability checks and self-exclusion, refined over years of regulation.
- Loyalty and breadth — established VIP structures, cross-product wallets and decades of payment reliability.
How they compare to newer operators
This is where the picture gets interesting. The newest sites we review — independents like Happy Tiger, fresh launches like Betsuna and Queen’s Bingo — beat the old guard in specific, telling ways: cleaner, mobile-first design; sharper, often no-wagering bonuses; and genuine novelty. The giants, by contrast, can feel cluttered after years of bolted-on features, and their welcome offers have actually shrunk (William Hill quietly trimmed its sign-up bonus in 2026). What the established brands still win on is depth, trust and the certainty of a fast, large payout. (We compare this in detail in our guides on whether new casinos are really new and new sites versus the old guard.)
How the 40% tax changes everything — for old and new
The biggest threat to every brand on this list is not a competitor; it is the Treasury. In the Autumn Budget 2025, Chancellor Rachel Reeves nearly doubled Remote Gaming Duty from 21% to 40%, effective 1 April 2026, with a new 25% remote betting duty following in April 2027 (horse racing excluded, and bingo duty abolished). The government itself expects operators to pass on up to 90% of the increase through worse odds, lower payouts and thinner bonuses.
The fallout is already visible. Evoke — owner of William Hill and 888 — booked a £549 million annual loss, confirmed the closure of around 270 betting shops, and agreed a rescue takeover by Bally’s Intralot in June 2026. Flutter has closed roughly 57 Paddy Power shops; Entain and Betfred have flagged the same. The irony is sharp: retail betting is exempt from the tax, yet the online squeeze is forcing the giants to cut their high-street estates to protect margins.
For new operators the danger is greater still. Without scale or diversified international revenue, a 40% gaming duty can make a young UK-only brand unviable before it finds its feet — and the industry warns the real winner could be the untaxed black market. Expect more consolidation, fewer genuinely independent launches, and leaner welcome offers across the board.
Our opinion: can the old guard win the next generation?
Here is our view. Heritage alone will not save these brands. The next generation of players — raised on mobile-first apps, instant everything and slick fintech — does not feel the loyalty their parents did to a name on the high street. To keep winning, the established casinos need to change in five concrete ways:
- Rebuild for mobile, not retrofit. The giants’ apps are stable but dated. A new player judges a brand in ten seconds, and clutter loses them.
- Compete on transparency, not just size. With bonuses shrinking under the tax, the brands that lead on clean terms — low or no wagering, fast withdrawals, clear pricing — will out-trust the rest. SBK-style “here’s our price versus a rival” honesty is the direction of travel.
- Make payouts instant. Younger customers expect money in minutes, not days. Fast, fee-free withdrawals are now a baseline expectation, not a perk.
- Lean into community and content. Streaming, social features, gamified loyalty and genuine personalisation are what newer sites do well; the giants have the budgets to do it better.
- Wear safer gambling as a brand value. The generation the giants want is also the most safety-conscious. Visible, sincere player protection is fast becoming a competitive advantage, not a compliance chore.
In our assessment, the brands best placed to thrive are the ones with both deep pockets and the will to act like a start-up — bet365 and Flutter’s Sky and Paddy Power among them. Those that coast on heritage while their tax bill doubles and their bonuses shrink risk becoming exactly what they once disrupted: the incumbents that stopped innovating. The next generation will not wait for them.
FAQs
What is the oldest online casino in the UK? Among brands still trading, 888 (launched as Casino-on-Net in 1997) is one of the oldest online casinos. InterCasino, in 1996, is widely credited as the first real-money online casino globally.
When did online gambling start? The industry began in 1994, when Antigua and Barbuda first licensed online operators and Microgaming was founded; the first real-money online casino, InterCasino, launched in 1996.
How many online casino operators are licensed in the UK? The UK Gambling Commission licensed 2,179 operators as of March 2025, running thousands of brands between them. Remote casino is the largest online vertical, worth £5 billion a year.
Who owns the big UK casino brands? Evoke plc owns William Hill and 888 (with a Bally’s Intralot takeover agreed in June 2026); Entain owns Ladbrokes, Coral and PartyCasino; Flutter owns Paddy Power and Sky; bet365 and Betfred remain privately owned.
How does the 40% tax affect online casinos? Remote Gaming Duty rose from 21% to 40% on 1 April 2026. The government expects operators to pass on up to 90% via worse odds, lower payouts and smaller bonuses — and it has already prompted major shop closures and consolidation.
Are established casinos better than new ones? They lead on trust, scale and payout reliability, while newer sites often win on design and cleaner bonuses. The right choice depends on whether you value heritage or freshness.
