Bookmakers
To find which bookmaker really suits you can be a major task. If there was not that many bookmakers to choose from with different legal law and terms and condition it would be easier, but unfortunately thats not the case.
When you value bookmakers you have to take many things into consideration. What is their financial security, service level bonus and so on. It quickly become many parametres to judge it from.
At wosb.com they bring an in depth rating system over bookmakers available. To say there is only one major bookmaker for you is a bit hard. but take a look at their review section, you might be surprices what you find.