Biggest Online Gambling Companies by Revenue: Who Makes the Most Money in 2025?

The gambling sector is a rich one with revenue running into billions yearly. More companies are starting to see the potential and making efforts to get a piece of this market. However, there are currently key players that rule this scene, earning a bulk of the revenue for this industry.

Many of them achieved this by collaborating with or acquiring other companies. Others went through different routes to gain more visibility, like CasinoCanada’s partnership with Ocean Spin. Regardless of the path, they have managed to earn more than the competitors.

So, how did they achieve it? Let’s find out. In this article, let’s take a close look at some of the largest gambling companies by revenue and the holdings that made it possible.

Global Gambling Statistics

The online gambling market is a constantly growing one with estimates showing revenue to reach $477.50 billion in 2025. It is expected that it will grow by an average rate of 3.28% annually, leading to a market volume of $543.10 billion in 2029.

Currently, the United States, United Kingdom, and Macau have the largest gambling markets with a focus on online and land-based gambling.

But which companies are responsible for the bulk of these revenues? Let’s find out.

Biggest Gambling Companies in the World

1. MGM Resorts

MGM Resorts International has been around since the 1980s. This long life span has come with decades of experience and a revenue of over $17 billion! The company owns more than 30 properties around the world including the well-known MGM Grand and Ballegio.

MGM is also behind the popular online casino and sports betting site BetMGM. This sportsbook is known for its competitive odds, decent bonuses, and great betting options – which has made it one of the most notable names today.

2. Flutter Entertainment PLC

Flutter Entertainment PLC is another key player in the iGaming scene. This company is always closely behind MGM and earns revenue of over $13 billion. As opposed to physical properties, its focus is on the online gaming scene.

Evidently, the effort has paid off with its portfolio featuring many popular online casinos and sportsbooks such as FanDuel, PokerStars, and Betfair. Flutter has a major share of the online gambling market in the US, and UK – which has helped it become the powerhouse it is today.

3. Las Vegas Sands

Las Vegas Sands is popular for its resorts and land-based casinos. The operator took a different approach by merging the excitement of gambling with fine dining, entertainment, and even shopping. This has evidently paid off with the company earning revenue of over $11 billion.

While Las Vegas Sands has not made a name in the online gambling scene, it is behind exotic properties like the Four Seasons Hotel Macao, The Parisian Macao, and The Plaza Macao. These venues attract high rollers and other players who want to experience luxury while gambling.

4. Caesars Entertainment

Caesars Entertainment Limited is another one of the top players in the gaming scene. It earns a revenue of $11 billion annually with history dating to 1937. Unlike Las Vegas Sands, this operator is on both land-based and online casinos.

It owns lots of hotels and casinos in the US, some of which include Caesars Palace and Harrah’s. Online, the operator runs Caesars Sportsbook, which is known for its large sports betting markets, and great odds.

5. Wynn Resorts

Wynn Resorts is another gambling company that channels its energy into land-based casinos. The operator gives priority to luxury and owns properties in Las Vegas, Boston and Macau. Recently, the operator has started to break into the online gaming scene and now offers a WynnBet for sports betting and online gambling. All its holdings earn it a revenue of over $7 billion, earning it a spot on our list.

6. Penn National Gaming

Penn National Gaming, now called Penn Entertainment, has experienced fast growth over the years. This is thanks to its holdings in the online and land-based gaming scene. The company runs over 40 locations in 19 states including names like Hollywood Casino and Broomtown.

Penn Entertainment broke into the online gaming scene by purchasing Barstool Sportsbook. However, it sold it off and purchased HitPoint Studios, a move that helped it earn $6 billion+ in revenue alongside its other holdings.

7. Entain PLC

Last on our list is Entain PLC, but this does not mean it is not a key player. In fact, this operator, with a revenue of over $5 billion, is behind many names in the online gaming scene in Europe and the UK. It operates popular names like Ladbrokes and PartyPoker. The operator also has a partnership with MGM Resorts International and is a co-owner of BetMGM – which has given it a solid presence in the United States.

The Future of Gambling Companies

Gambling: The sure way of getting nothing for something.”  – Wilson Mizner.

For now, the future seems to be bright for many iGaming companies. Currently, MGM is dominating the scene, and we don’t see this changing anytime soon. However, the gambling market is always changing, so anything can happen, and a new player may arise.

In addition to these companies, there are other equally well-known companies that did not make the list. The Casinocanada brand in its ratings of top gambling platforms talks about Lemon Casino among others. This site has won the trust of users, has more than 4800 slots, over 400 live games, loyalty program, welcome bonuses, user-friendly interface and high-quality support service. Convenience, wide selection and customer care create an unforgettable atmosphere where everyone can feel the excitement and enjoy the gaming process.

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