We have tested many sports betting office until We found the best one:
Betfair

At this company, odds are very high. They are interested in making You win and play even more, because they use quite a different business model than most bookmakers.

If Betfair is unavailable in Your country, then try these sports betting offices:
Fanduel
Bovada
Betdaq
Matchbook
Smarkets

If these are not available either, then search on Google for online betting options in your area:
'your country's name online sports betting sites' Most sports betting companies are NOT interested in your win! They want You to lose (even if they don't communicate this). The reason is very simple: if You lose, then they get money from You.

Therefore, if You win too much, then they restrict You soon. They determine what amount can You bet with on a certain match. If You keep winning, then they lower the upper limit of the amount to bet on a single match. Moreover, they may limit You several ways, and in the end it is not worth to bet there.

Betfair is different.