A frequent business type near King George Hospital is Special Schools.
For all your local shopping needs there is a grocery store on the doorstep. A handful of schools are located nearby. A local Employment Agency can assist with anything from graduate to executive positions. There is at least one attorney nearby.
Rest assured, there are a couple of doctors in the area. Don't be left in the dark, there is an electrician in the vicinity. If you are hungry there are a few restaurants serving the area. Conduct research and borrow literature from the Local library.