CAA advises the Government on aviation issues, represents consumer interests, conducts economic and scientific research, produces statistical data and provides specialist services.

Thamesdoc is a doctor on call service covering more then 100 Surgeries. Great health information site for professionals and the public.

Aviation Cardiology is an organisation providing services for the cardiological assessment of professional and private pilots in their pursuit of certification.

AVM Healthcare provides occupational medical services to industry, commerce and individuals. Primarily aimed at businesses without their own occupational health departments, AVM is the sister company of Aviation Medicals.