This is especially true if it’s a match bonus paired with free spins, which is a combo we actively look out for during our reviews.īeyond the sign-up bonus, we prioritise regular casino bonuses at online gambling sites. A generous welcome bonus package is always a great start to your online gambling journey. We expect the best online casino sites to offer an attractive welcome bonus to their new UK players. Most gamblers would agree that if an online casino doesn’t feature bonuses that give you the best bang for your buck, it’s a dealbreaker.