Addison of Liverpool built motorcycles from 1904 to 1905. They also built cars in 1906.
1904 The firm of Addison was based in Liverpool. They built forecars with 3.25hp engines and with air or water cooling. With only single speed, they had chain-drive and a clutch.
1905 A two-speed model appeared, using 3.5hp Fafnir engine. A 3hp solo was also built that year, again with a Fafnir engine, but belt driven.
Cars: Billed as "the Mercedes of the tri-car world", the Addison was an English automobile built in Liverpool in 1906. The 6½ hp (5 kW) two-cylinder engine was controlled by variable-lift inlet valves.