Here we'll show you the best reliable casino deposit methods in the United Kingdom as:
1). PayPal;
2). Bitcoin;
3). Mobile Phone Bill (Boku & Payforit);
4). Skrill.

PayPal is one of the oldest and safest payment methods in gambling. You can deposit and withdraw money from online casinos easily. There is a good hack for you: only reliable casino sites have PayPal among payment methods.

Bitcoin is a quite new payment method for gambling. It's not used by all online casinos because it's not regulated by the government so gambling companies may have some problems then.

Instant Payment Method. You don't need to fill credit card forms, security question, and other stuff. Just type your mobile phone number, casino deposit amount (up to 30 pounds) and you are done. It is a fast-growing payment method among gamblers cause everyone uses the mobile phone more and more. You can check a list of pay by phone bill casinos here to save your time and efforts.
P.S. This payment method includes the next two payment systems Boku and Payforit.

E-Wallet. It is widely used among gamblers around the world (except non serviced countries). It's not so popular in the United Kingdom because it's legal to gamble here but some players have money on it. So why not?