3000£ sounds like a bargain for you. Suppose he decides to play hardball and just stop working. Your agreement was 50/50 and he can just keep it. The amount is

3000£ sounds like a bargain for you. Suppose he decides to play hardball and just stop working. Your agreement was 50/50 and he can just keep it. The amount is also there so he will release himself of any claim against your company in the future.