Rugby-based Autins Group, which started life as Automotive Insulations in 1966 (producing parts for the original Mini), is to float on the London Stock Exchange.
Specialising in noise and heat management, the group recorded a turnover of around £19.9 million in the year to 30 September 2015, with pre-tax profits of £1 million.
Earlier this year, it agreed a lease on a 47,000sq ft factory at Birch Coppice Business Park.