The 360° Emission Control Company

Baumot Group is a leading supplier in the area of exhaust gas aftertreatment and engine development. In that context, TBG offers its customers high-quality solutions in Design & Engineering and Products & Solutions as well as Testing & Validation Services.

TBG applies those products and services across a wide range of industries in the business fields OEM (original equipment), retrofitting and aftermarket (repair, spare parts).

In so doing, it covers the entire value creation chain for the exhaust gas aftertreatment sector. The market segments include, in particular, on-road (e.g. cars, trucks and other commercial vehicles), off-road (e.g. construction machinery, agricultural machinery or stationary plant) and miscellaneous applications such as maritime or medical technology.


  • Development
  • Design & Simulation
  • Prototyping
  • Application
  • Validation & Testing


With around 350 employees in all, the Baumot Group comprises Baumot Group AG as a publicly traded technology holding company, as well as four subsidiaries. Each of the subsidiaries has different areas of expertise in specific business fields and industries.

This way, the Baumot Group not only meets the specific requirements of the target industries but also covers a variety of solutions in the field of exhaust aftertreatment and engine developement.

Baumot Group AG (Holding)

Design & Engineering

KONTEC Automotive Engineering

  • Sustainable Mobility
  • Engineering
  • Automotive Services

KONTEC Maschinenbau Engineering

  • Industry 4.0 Solutions
  • Industrial Services

BAUMOT Technologie

  • OEM Emission Control Solutions

Products & Solutions


  • Emission Control Products
  • Retrofit/Aftermarket

TWINTEC Technologie

  • Emission Control Products
  • Retrofit/Aftermarket

Testing & Valdiation

KONTEC Testing Validation & LAB

  • Testing Services
  • Validation Services

KONTEC Motorenentwicklung

  • Test Benches

Baumot AG
Twintec Technologie GmbH AG
Kontec GmbH
Baumot Group AG

Kontec GmbH

KONTEC GmbH is an established medium-sized engineering company specializing in the development of engines and vehicles. KONTEC provides the full range of drive-related en-gineering development services, including the development of exhaust gas after-treatment systems. Our qualified professionals and specialists work alongside you, from the concept development phase to 3D and 2D design with manufacturing support and small-scale pro-duction runs to application and field service. Feasibility studies realized in the company’s own testing and measurement laboratories in the form of simulations and virtual prototypes enable specifically targeted development, thereby resulting in cost reduction and product optimization.

Consulting activities in connection with the development of drives, engines and exhaust gas after-treatment systems have been intensified in recent years. This includes, in particular, support and consulting work on new concept developments, option and retrofitting tasks, and also failure analyses for internal combustion engines and exhaust gas after-treatment systems used in all application areas.

At a Glance
  • OEM engineering – concept development, CAE: simulation and design
  • Engine development and testing
  • Measurement and testing technology for vehicle, engine and EGA components
  • EGA product development and systems for ON-ROAD applications
  • Field engineering / service
  • 13 locations in Germany

Twintec Technologie GmbH

Twintec Technologie GmbH is positioned as a specialist for emissions technology and associated services, offering its customers innovative solutions for the reduction of exhaust gas emissions. The development activities of the company are concentrated in Dortmund-Witten, Germany. Expertise in diesel engine and drive technology gained over the course of more than 20 years enables Twintec Technologie to develop products that deliver impressive quality and efficiency.

Baumot AG

Baumot AG is one of the leading suppliers of SCR systems and active and passive particulate filters for retrofitting into existing registered vehicles. Established more than 25 years ago, Baumot has used its many years of activity in the areas of drive technology and diesel engine overhaul to develop its core competence in application management for innovative exhaust gas after-treatment systems. With sales and service partners in 18 countries on 3 continents, Baumot is your partner when it comes to advanced, reliable and economical solutions to reduce exhaust gas emissions.

At a Glance
  • Broad product portfolio for retrofitting and aftermarket
  • Service and cleaning
  • Distributors in Europe, China and USA
  • More than 250,000 vehicles retrofitted
  • OEM quality standard
  • Sales and service partners in 18 countries