Ghia was a test driver at Rapid and Diatto, prior to being seriously injured in 1915 — the same year he established Carrozzeria Ghia & Gariglio with his partner Gariglio.
Before sustaining a serious injury in 1915, Ghia worked as a test driver for both Rapid and Diatto. He then established Carrozzeria Ghia & Gariglio alongside his partner Gariglio that same year.