For example, if you are ready to deposit 1,000 EUR at the beginning, you can easily get a 4,000 EUR bonus. They are probably the best welcome bonus for high rollers, due to their high upper limits.
And because each casino game has something unique to offer, the best places to play are the ones that offer the best bang for your buck. It is not uncommon to find online content operators offering hefty amounts such as a 400% bonus, but all of these have different rules and wagering requirements.