They must be Helping you get work experience in order to get you fully G.S registered.
From their website;
Portfolio of Evidence where you gain on-site work experience. If you don’t have access to onsite work, we may be able to assist you although we cannot guarantee you a position. The work you will need to complete when compiling your portfolio of evidence will vary depending on the nature of the jobs you undertake.
Of course it's not in big letters on the website....