After completing his national service in the 1950s, Gubby became a freelance motor trader, and throughout his career he developed his business interests to include several garages and car showrooms, a hotel and a building company.
Despois de completar o seu servizo militar na década de 1950, Gubby converteuse nun comerciante independente e, ao longo da súa carreira, desenvolveu os seus intereses comerciais que inclúen varios garaxes e salas de exposicións de automóbiles, un hotel e unha empresa de construción.