Our versatility guarantees the success of your project.
Integrated infrastructure projects with complex tasks are a specialty of LEONHARD WEISS – you get everything from one provider.
With its developed structures and decades of experience, the LEONHARD WEISS Group plans and executes large infrastructure projects with all the corresponding services, including civil engineering, railway construction, road construction and equipment technology.
Each infrastructure project is unique and represents specific challenges for project management. Our depth of experience in the realm of in-house production is a guarantee that you feel secure your project is in the right hands. Well-rehearsed and experienced teams assure the highest quality, reliability and punctuality for the implementation of your project across a range of comprehensive services.
EN 1090 certification for production category EXC3
Quality at the highest level
LEONHARD is one of the first companies in the building sector to receive the EN 1090 certification for production category EXC3.
This authorises us:
To produce and install bearing metallic structures subject to building authority supervision
To provide our construction products with the CE mark, which has been mandatory since July 1, 2014 after EU Regulation 305/2011 took full effect
To sell and distribute our construction products in the European internal market