The STS Group designs and manufactures innovative solutions for acoustic and thermal insulation in the engine and passenger compartments of vehicles, as well as interior and exterior trim parts for light and heavy-duty trucks and lorries.

STS is one of the leading suppliers to prestigious customers such as Daimler, MAN, Scania and Volvo for trucks and passenger car manufacturers such as Alfa Romeo, Fiat, Jeep, Ferrari and Maserati.

Following the successful completion of various add-on acquisitions the STS Group now operates at a total of 16 plants on four continents and currently employs around 2,450 people in total.

Mutares acquired the company from the Autoneum Group in July 2013.

Company development
  • July 2013 STS
  • June 2016 Takeover of plant in Brasil (Autoneum Group)
  • March 2017 Takeover of 2 plants (Mecaplast)
  • July 2017 Takeover of 9 plants (Omnium Group)
  • June 2018 IPO
Platform acquisition Add-on acquisition acquired through platform Partial exit