Boltons was an Australian bus bodybuilder in West Perth.
Isaac retired in 1912, with sons Alfred and Leonard taking over the business.
In June 1936, a new factory on land purchased from Holden in West Perth was opened by the Minister for Industry, Albert Hawke.
During this period, Boltons established a relationship with Commonwealth Engineering.
[1] Boltons bodied over 400 buses and coaches for the Metropolitan Transport Trust on AEC, Albion, Daimler, Guy and Leyland chassis.