Online casino deposit bonuses in the UK are enticing offers designed to attract new players and reward loyal customers. Typically, these bonuses match a percentage of the player's initial deposit, providing extra funds to explore a casino's games. For example, a 100% deposit bonus means if you deposit £50, you'll receive an additional £50 to play with. However, players should be aware of the associated wagering requirements and terms, ensuring they understand how to maximize their bonus while enjoying a safe and entertaining gaming experience. Always choose licensed casinos for a secure experience.