Largest Online Bookmakers
A bookmaker having a large number of customers certainly suggests that the company is reliable and offers high quality services. If it were otherwise, it would not have been able to attract so many customers.
Bookmakers with more than 10 million users are the most popular platforms for betting on sports.
Their names are generally recognized around the world.
These companies can surely be recommended for betting, to both novice and professional bettors.
Top 10 Bookmakers: more than 1 million customers
Top 10 Bookmakers
Updated in Octobber 2017
Bookmakers by Category
Top 5 Low margin
Top 5 Wide Action line