So long as the parent company is not doing anything that is illegal under UK law, it is totally legal as far as I know or at least it was 5 years ago. What part

So long as the parent company is not doing anything that is illegal under UK law, it is totally legal as far as I know or at least it was 5 years ago. What part of it do you think might be illegal? But then again, I am not a lawyer so please confirm with your legal staff.