Portfolio
Construction expertise for the today of tomorrow
LEONHARD WEISS is one of the most powerful and successful German construction companies and a full-service provider of construction services. We create spaces that offer more: adaptable, energy-efficient, and digitally connected. In doing so, we combine tradition, experience, and a passion for building with innovative techniques to deliver future-oriented solutions for regional and international clients.
Our range of services makes possible what will be needed tomorrow. From tailored individual services to complex turnkey solutions. From small projects to challenging large-scale ventures. Let’s tackle it together because what we build today shapes the world of tomorrow.

Railway technology
Efficient solutions for complex challenges in railway infrastructure construction

Structure upgrade and mastic asphalt
With passion and the joy of construction, we find collaborative solutions.

General contractor overhead line construction
Tailor-made high-voltage technology solutions for a connected future

Track construction
With innovative strength and pioneering spirit, LEONHARD WEISS was founded in 1900 as a purely railway construction company.

Civil engineering / Constructual engineering
Quickly and cost-effectively realize structures of all complexities.

International construction projects
With innovation, precision, and collaborative expertise, we shape modern infrastructure and mobility for a sustainable and connected world.

Project management infrastructure projects
With extensive expertise and decades of know-how, we ensure safe connections around roads and railways.

Resources
Sustainable raw material extraction, cutting-edge technology, and precise processing for asphalt and concrete of the highest quality.

Road and civil engineering
High-performance road construction and future-proof infrastructure – economical, sustainable, and on schedule.




