It's simple. Just sign into the member's area using your personal login details and update your details, you can add or remove photos and update the services you provide.
As a member you can select multiple trade categories relevant to the work you provide. However, you will be expected to provide all the documented evidence for the vetting process to ensure you are adequately capable to undertake the work.
If you have any trouble, you can of course contact our Admin Team who will be happy to help on firstname.lastname@example.org.