JJAD Ltd is a design, development and testing company, specializing in the automotive industry. JJAD Ltd was established in 2005 by ex McLaren Senior Design Engineer Jim Dowle. JJAD Ltd has years of experience in Formula One, GT Racing, Supercars, Touring Cars and Rallying projects, along with design and prototype projects in electric vehicle and alternatively fuelled vehicles. JJAD Ltd also undertakes reverse engineering projects, and uses it's experience and knowledge to carry out design work in the marine, aerospace and general engineering industries.