A frequent business type near 1st Portsmouth Builders & Roofers is Local Authority Schools.
If you are hungry there are a few restaurants serving the area. Flat hunters may well find the flat they like, via the neighborhood rental property operator. IT problems can be resolved at the neighboring Computer Maintenance and Repair store. Toothache? There are few dentists locally for all your dental needs.
Rest assured, there is at least one doctor in the area. For help with marketing and branding, consult with an Advertising Agency available locally. Looking for insurance? There is an insurance agent closeby lend assistance. Leave major electrical work to one of a few licensed electricians in the vicinity.