A1 Gearboxes was established in 1976.  The business was located on the A1 Great North road at St. Neots from where the business took its name.

From the outset A1 Gearboxes gained a reputation for quality and reliability.  In 1999 the business relocated to its present day premises in Eaton Ford.  The new premises provide 4,500 square feet of space accommodating three vehicle ramps, strip-down and assembly areas, workshops and parts storage.