There are many casinos online that offer 100% bonus on your first deposit. They do have a cap on what you can invest and how much of a bonus you'll receive. In some online casinos, you'll need to make a deposit of a certain amount of money to be eligible for the bonus.
For example the Winner Casino, you'll need to make a 350-pound deposit in the casino and they will match up 100%. However, there is a cap on this and you can earn the bonus if you've deposited more than 5000 pounds. They will only pay up to the first 5000 pounds.
The Titan Casino will only give you a 50% bonus if you deposit 5000 or fewer pounds in your account. They will only offer you a 100% bonus if you deposit more than 5000 pounds in your account.
There are many casinos that offer this bonus. You just need to read the rules carefully. They have a minimum and a maximum deposit that they will honor the 100% bonus. However, you can get this bonus, but in order to cash out and get paid there are a few regulations and rules you must first follow. They are easy to deposit funds in, fun to play, can win a few bucks, but in the end they are harder to withdraw your fund and must follower certain regulations.