Hi Wenderlynn - have you asked proprietors of similar businesses in the UK who they use? It seems like you would need the same coverage as a therapist + additional coverage for work you do offsite as a designer/installer.
Subtropical desert (Köppen: BWh)
Elevation: 1090 ft Annual rainfall: 7"
A feeble attempt to tell you about our stuff that makes us money
Our PIE page has been updated, anybody wanna test?