Publication date: 13 November 2025
Which bookmakers are the best in the world? Choosing a bookmaker should be based on your needs and strategy. All operators included in the ranking have stood the test of time and offer competitive terms for players at different levels.
In the world of sports betting, choosing a reliable bookmaker is key to success. On 3S.INFO, we have analyzed dozens of international operators. Therefore, we present a rating of the best bookmakers that combine reliability, attractive odds, and modern service.
Below are the GGR forecasts for the volume of online betting in 2025, according to research by the international consulting company Regulus Partners, published in October 2025.
To compile the ranking of the world’s top betting companies, we relied on several selection criteria:
The iGaming industry is becoming increasingly regulated worldwide: licenses are now required not only for operators but also for their marketing partners. This has led to the creation of the affiliate license—a permit for those who promote casino and bookmaker brands. On 3S.INFO, you will find a complete guide on why this license is needed, in which jurisdictions it is mandatory, and how to obtain it.
| Place | Name | Region/ GEO | Visitors (millions) | Page Views | Time Spent on Site | Features |
| 1 | Fonbet | Russia, CIS | Up to 20 million | High | Long | Reliability, high odds, convenient apps and bonuses |
| 2 | Winline | Russia, CIS | Around 10-15 million | High | Significant | Wide range of bets, stability, user-friendly interface |
| 3 | Bet365 | Europe, WW | Over 30 million | Very high | Very long | Leader in global arena, many markets, live event streaming |
| 4 | Parimatch | Asia, CIS | 15-20 million | High | Average | Active development, good bonuses, localization |
| 5 | BetBoom | Russia, CIS | 5-8 million | Average | Average | Leader in esports, high CR in esports betting |
This ranking was compiled based on an analysis of traffic, engagement, and overall market dynamics of bookmaking websites in 2025, covering key GEOs: Asia, Europe, CIS, Latin America, and North America.
All these bookmakers show stable growth due to adaptation to mobile traffic, improved user experience (UX), and expansion of their betting events lineup. They provide quality live betting platforms and modern payment methods for maximum user convenience.
What bookmakers do you work with? Where and why do you place sports bets?
According to the rating, the global leaders include operators that combine reliability, favorable odds, and modern service. Among them, Bet365 stands out as the global arena leader with a huge audience, Fonbet dominates in Russia and the CIS, Winline is known for its stability and user-friendly interface, Parimatch is recognized for active development and localization, and BetBoom leads in esports betting. While the final choice should be based on your personal needs, all bookmakers on this list have proven their reliability over time.
When compiling the rating, experts recommend paying attention to several key parameters:
According to 2025 forecasts, the largest markets by online betting GGR are:
This demonstrates the global scale and active development of the iGaming industry.
The Russian sports betting market represents a unique ecosystem that combines international standards with local specifics. It is dominated by proven local operators like Fonbet, Winline, and BetBoom, which demonstrate high user traffic and engagement rates, successfully competing with international brands.
The stable growth of leading bookmakers in 2025 is largely driven by their adaptation to mobile traffic. A quality mobile application is not just mobile access to the website, but a full-featured platform that provides maximum user convenience. It allows betting at any time, offers a user-friendly interface (UX), access to live streams, and fast payment methods. Thus, a modern application has become not an option, but a standard for any bookmaker aspiring to rank among the best.
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