It is a legal requirement for a UK company to provide a valid postal address.
If you are not comfortable using your home address, setting up a PO Box may be a preferred option.
Whilst we are unable to recommend any specific company, we would advise you to run a Google search for what is available in your area within close proximity to where you live.
Once you have conducted a Google search. You will then find out what is available in your area, and you can choose what is suitable for you.
Some suggestions for searches are below:
> How do I get a PO box for my business?
> How does a PO box work?
> How do I get a UK PO box?
Some links you might find helpful too:
www.yourvirtualofficelondon.co.uk