10 Largest Online Gambling Companies Worldwide – [Updated]

Gambling has been one of the top activities engaged in by people across the world, it’s possible for you to think gambling is a recent activity depending on the country you find yourself in, but the fact is, gambling has been on earth even before I was born.

As we go through the list, you will find out when most of these gambling companies came into existence, and as such, they have gained a lot of audiences worldwide.

Today we would take a tour through the list of the top biggest online gambling companies in the world.

Largest Online Gambling Companies in the World

List Of Top 10 Biggest Online Gambling Companies Worldwide

Before we start laying out the list, you should know this; not all countries allow gambling sites to function in the country due to some reasons related to fear of affecting the economic situation of the country, which is why most of the sites you see on this list or few of the operational gambling companies worldwide have massive revenues each year. As we go through the list of the largest online gambling companies in the world, we are also going to be laying out their revenue which makes them the biggest.


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Below we will take you through the top largest online gambling companies worldwide with considerations of different factors such as branches, annual revenue, size of the company and lots more, hence the companies of firm that pops up on this list have been researched on to be the biggest gambling companies in the world.

1. Flutter Stars Group

Revenue: £3.8 Billion
Founded: 2nd February 2016
Headquarters: Dublin, Ireland
Top officials: Peter Jackson (CEO), Gary McGann (Chairman)

Flutter stars group has proven beyond doubt to be the largest online gambling company in the world as it has been known to experience a series of merges resulting in growth for the company.

With such powerful merges, the company brings together the workforce, customers, and revenues of each firm involved in making this company great a successful business enterprise. Let’s take a look at a few of the companies that have merged with flutter stars group to make it one of the biggest betting companies in the world today;

  • Paddy Power
  • Sky Bet, Betfair
  • PokerStars, and lots more.

The flutter stars group has gained more audience across the globe as they also have diverse platforms for gambling. However, as long as a merger holds, the company is bound to remain at the top position for a long time.

2. GVC Holdings (Entain Plc)

Revenue: £3.7 Billion
Established: 2004
Headquarters: Douglas, Isle of Man
Current CEO: Jette Nygaard Andersen

GVC holdings now known as Entain Plc is a top international sport betting company which has gained grounds in the world of gambling and now making the list of top largest betting companies in the world. This great brand is noted to have obtained ownership of other prominent betting companies across the United Kingdom; these betting firms are known as Ladbrokes and Coral. Moreover, people tend to mistake Entain Plc for Ladbrokes-Coral plc despite the fact that Entain has rightfully claimed ownership of those companies.

Speaking of the biggest betting companies worldwide, this company has proven to be worthy of being called one of the biggest has it holds over 30,000 employees which happens to be the company with the highest number of employees on the list. However, Entain Plc is known to take responsibility of other betting brands such as;

  • Bwin
  • Sporting Bet
  • Partypoker
  • Foxy, and lots more.

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3. Bet365

Revenue: £3 Billion
Established: 2000
Founder:  Denis Coates
Headquarters: Stoke-On-Trent, UK

With over 5000 employees and yearly revenue of £3 Billion, Bet365 is no doubt one of the top biggest online betting companies in the world. However, the growth of this company is attributed to the advancement of technology across the globe and the number of users gained via their betting platform online as it stands tall with the highest number of site users.

More also, it is noted that this company has a stadium to its name making it a more popular brand and also known to be the official sponsor of about 10 La Liga football teams.

4. Scientific Games

Revenue: £2.75 Billion
Established: 1917
Top Officials: Daniel Bower and John Koza
Headquarters: Las Vegas, Nevada, US

You may be surprised that this gambling company may not have a name that makes it seem like a gambling company and you tend to wonder if this is really a gambling company not to talk of having it on the list of top 10 largest gambling firms worldwide, well, the company appears to host a wide variety of services that span across gambling, providing products such as internet apps, gambling control system, iGaming, table games, slot machines and iLottery products to other gambling companies.  However, the company also operates a popular UK-based sports betting company known as Openbet.

5. Amaya Inc (The Stars Group)

Revenue: £2.05 Billion
Established: 2001
Top Officials: Divyesh Gadhia (Chairman), Rafael Ashkenazi (CEO)
Headquarters: Toronto, Ontario, Canada

Operating with 4,500 employees, The Amaya Inc now known as the Stars Group stands tall as a big gambling company in the world. Though, they are known to have acquired ownership of other top betting companies such as Crown Bet and Bet easy to give them a lead, making them the 5th largest gambling company worldwide.

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6. William Hill

Revenue: £1.6 Billion
Founded: 1934
Founder: Ulrik Bengtsson
Headquarter: London, UK

This appears to be one of the oldest gambling companies on the list and as such has also gained a large audience worldwide, making it qualified to be on the list.

However, this company has notably changed ownership and leadership several times due to the rules against gambling in the United Kingdom at that time. Over the years, the company has notably hired the services of over 15,000 employees spread across 2,500 shops across the globe. 

7. International Games Technology

Revenue: £932 Million
Established: 1990
Top officials: Phil Satre (Chairman), Marco Sala (CEO)
Headquarters: London, England

Having over 12,000 workers spread across the globe in different branches with about £932 Million as revenue, this company has earned the right to be called one of the largest gambling companies in the world.

The company is noted for its slot games, virtual poker, casino, horse racing and lots more.

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8. Bet Fred

Revenue: £810 Million
Established: 1967
Founder: Fred Done
Headquarters: Birchwood, England, United Kingdom

With quite an interesting history attached to this company, this BetFred was established by the Done brothers who notably predicted that England would emerge as winners in the 1966 FIFA World cup, isn’t that amazing, that shows how long betting has been in existence. However, this made the company quite a reputable one today hereby earning its sit on the list of biggest betting companies in the world today.

9. Unibet Group PLC (Kindred Group PLC)

Revenue: £800 Million
Established: 1997
Top officials: Anders Storm (Founder), Henrik Tjarnstorm (CEO)
Headquarters: Malta

Unibet Group PLC widely know as the kindred group is an outstanding online gambling company with 9 brands to make them one of the largest in the industry, and amongst those 9 brands are 32Red, Maria Casino, and others.

Having partnered with series of multilateral companies across the globe, the company hosts over 1,400 employees and over 15 million customers worldwide.


Revenue: £600 million
Established: 1997
Top Officials: Brain Mattingley (Chairman), Itai Pazner (CEO), Avi Shaked, Aaron Shaked, Ron Ben-Yitzhak, Shay Ben-Yitzhak (Founders)

Coming right up last on our list of top 10 biggest online gambling companies worldwide is the 888 holdings formerly known as Virtual Holdings PLC. With a whopping sum of £600 million as revenue for a financial year, this gambling company has earned the right to be on the list.

This company undoubtedly could have gone higher on this list if not for the United States Gambling Ban that resulted in over $120 million loss for the company.

However, the company being wise operates other subsidiary companies under them which include cassava enterprises and dragonfish.

Summary On Largest Online Gambling Companies Worldwide

It is disheartening to see that most of the big players in the industry have either been merged or displaced with newer gambling companies, but they however still make a great contribution to the growth of their various companies which has earned them a place on the list of top gambling companies worldwide.

Before we wrap up, let’s have a quick recap on the 10 biggest betting firms in the world today;

  • Flutter Stars Group
  • GVC Holdings (Entain PLC)
  • Bet365
  • Scientific Games
  • Amaya Inc (The Stars Group)
  • William Hill
  • International Games Technology
  • Bet Fred
  • Unibet (Kindred Group)
  • 888 Holdings Plc

With technological advancement and many customers coming into the gambling industry, these companies could remain the biggest and stay at the top for long.

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Let’s take a look at some of the most frequently asked questions about the largest gambling companies in the world;

Who is the largest online gambling company in the world?

Flutter Stars Group is the largest online gambling company in the world with respect to revenue and workforce.

Who is the biggest gambling site in the world?

Bet365, we have the biggest gambling site to be Bet365 having the highest number of online visitors and customers from across the globe.

What are the biggest gambling companies in the world?

Casinos are the biggest gambling companies generating more revenues than sports betting.

What is the best sports gambling site?

Bet365 appears to be the best sports gambling site having the highest number of users.

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