The top five biggest regulated online casino owners in the UK

The UK is one of the most mature and highly regulated online gambling markets in the world. Every casino that operates legally in the country must hold a licence from the UK Gambling Commission (UKGC), ensuring fairness, transparency, and player protection. Behind the hundreds of well-known casino sites are a handful of powerful companies that dominate the industry. These top casino owners UK players trust, manage multiple brands, employ thousands of people, and generate billions in annual revenue.

In this guide, we’ll take a closer look at the five biggest online casinos in the UK, exploring their brand portfolios, market influence, and what makes each of them stand out.

1. Flutter Entertainment

Flutter Entertainment is currently the largest online gambling company in the world, and the UK is one of its strongest markets. Headquartered in Dublin, Flutter was formed through the merger of Paddy Power and Betfair in 2016, later expanding by acquiring The Stars Group, which owned PokerStars.

Key UK Brands:

• Paddy Power Casino – Famous for its cheeky marketing campaigns and wide selection of casino and sports betting products.
• Betfair Casino – Known for its pioneering betting exchange and a strong online casino offering.
• Sky Vegas / Sky Casino – A household name in the UK thanks to its strong presence in sports media.
• PokerStars Casino – One of the world’s biggest poker brands with a growing casino division.

Why Flutter stands out

• Global Scale: Flutter operates in over 100 markets worldwide, giving it a huge competitive advantage.
• Innovation: It has consistently invested in mobile platforms and live casino technology.
• Financial Strength: In 2024, it reported nearly £870 million in operating income, highlighting its dominance.

With its unmatched brand portfolio and investment in technology, Flutter sets the benchmark for online casino operators in the UK.

2. Entain plc

Formerly known as GVC Holdings, Entain is another UK-based giant with a diverse portfolio of brands covering sports betting, online casinos, poker, and bingo. As a FTSE 100 company, Entain is one of the most influential players in the UK gambling sector.

Key UK Brands:

• Ladbrokes Casino – A historic bookmaker with both land-based shops and a leading online casino platform.
• Coral Casino – Known for slots, table games, and sports betting integration.
• PartyCasino and PartyPoker – Popular across Europe and well-established in the UK online gaming market.
• Foxy Bingo – A long-standing UK bingo and casino brand.

Why Entain stands out

• Omnichannel Presence: Entain operates both online and through thousands of high-street betting shops.
• Technology-Driven: The company focuses heavily on in-house technology to power its platforms.
• Responsible Gambling Leadership: Entain has invested in research and player protection, positioning itself as a responsible operator.

Entain’s ability to combine legacy brands with innovative online platforms makes it one of the most versatile and resilient gambling operators in the UK.

3. Evoke plc (formerly 888 Holdings)

Evoke plc, recently rebranded from 888 Holdings, is one of the most recognised online casino owners in the UK. Founded in 1997, the company quickly became an online gambling pioneer. Its reputation grew further after the acquisition of William Hill’s non-US business in 2022, which included thousands of UK betting shops and a strong online presence.

Key UK Brands:

• 888casino – One of the oldest and most trusted online casino platforms in the world.
• William Hill Casino – A household name with decades of experience in both land-based and online betting.
• Mr Green Casino – Stylish and modern, known for offering a wide range of games.
• 888poker & 888sport – Complementary brands adding variety beyond casino gaming.

Why Evoke stands out

• Strong Casino Heritage: 888casino has been a major player since the early days of online gambling.
• Diversified Portfolio: By adding William Hill and Mr Green, the group covers multiple demographics.
• UKGC Compliance: Evoke operates some of the most trusted and strictly regulated brands in the country.

Evoke’s mix of legacy and modern brands ensures it appeals to both traditional gamblers and younger, tech-savvy players.

4. Bet365 Group

Unlike the publicly listed giants, Bet365 is a privately owned UK company, founded by Denise Coates in Stoke-on-Trent in 2000. It remains one of the largest online gambling businesses in the world, with a focus on sports betting, but its online casino offering has grown significantly over the years.

Key UK Brand:

• Bet365 Casino – Integrated seamlessly with its sportsbook, offering slots, live dealer games, and table games.

Why Bet365 stands out

• Privately Owned: Bet365 has stayed independent, giving it more flexibility than its competitors.
• Global Reputation: Known worldwide for its high-quality mobile platform and reliability.
• Revenue Powerhouse: The company generates billions annually, making it one of the wealthiest privately held firms in the UK.

Bet365’s focus on customer experience, cutting-edge technology, and seamless integration between sports and casino products has made it a favourite among UK players.

5. Kindred Group (FDJ United)

Kindred Group, which was recently acquired by France’s FDJ United in 2025, is another major operator in the UK online casino market. Originally founded as Unibet, Kindred grew into a global player with several strong brands.

Key UK Brands:

• Unibet Casino – A well-established name offering slots, live dealer games, and sports betting.
• 32Red Casino – A popular UK casino brand with a strong following.

Why Kindred stands out

• Brand Loyalty: 32Red and Unibet both enjoy dedicated UK customer bases.
• European Expansion: The FDJ acquisition signals more investment and growth opportunities.
• Regulated Approach: Like the other big players, Kindred operates under strict UKGC licensing.

With new ownership and long-standing popular brands, Kindred is set to remain a strong player in the UK casino industry.

Honourable mention: Rank Group

While not in the same financial league as the top five, the Rank Group deserves recognition. It owns Grosvenor Casinos, one of the UK’s biggest land-based casino chains, and Mecca Bingo, both of which have online versions. Rank’s focus is more UK-centric, giving it a strong connection with British players.

Final Thoughts

The UK online gambling market is dominated by a handful of powerful companies that own multiple well-known brands. Flutter Entertainment, Entain, Evoke, Bet365, and Kindred collectively control a large share of the market, offering players a mix of heritage, innovation, and trust.

For players, this means access to safe and regulated platforms backed by some of the most financially secure companies in the industry. For investors and industry watchers, these five groups highlight where the real power lies in the UK casino sector.

As regulations continue to evolve, these top casino owners UK will play a central role in shaping the future of online gambling in the UK and beyond.

Disclaimer: Play responsibly. Players must be over 18. For help visit https://www.rgf.org.mt/