About us

Company Profile

SoundPLAN GmbH in Backnang, Germany is an engineering company with the main focus on noise control, air quality assurance and software development. SoundPLAN International LLC in Shelton, WA, USA acts as the interface between the development office and the more than 30 international distributors that help distribute and maintain the SoundPLAN software on a worldwide basis.

Our interdisciplinary team consists of engineers, geographers, physicists and computer science specialists. Our team generates cutting edge engineering solutions which we deliver to the global market in the format of our SoundPLAN software. Our SoundPLAN noise modeling software has maintained the status of the market leader for more than 20 years.

  • Development of the PC software SoundPLAN + SoundPLAN essential
  • Custom software development
  • Noise investigations
  • Noise planning for new road/rail infrastructure
  • Noise mapping and action plans in accordance to the EU environmental noise regulations
  • Air quality assessment and recommendations
  • Environmental assessment studies


Certificate ISO 9001:2008

SoundPLAN GmbH
Etzwiesenberg 15
D-71522 Backnang
Tel. +49.7191.9144-0
Fax +49.7191.9144-24

SoundPLAN International LLC
80 E Aspley Ln
Shelton, WA 98584, USA
Tel. +1.360.43298-40
Fax +1.360.43298-21