Repair & Protection of Concrete Structures
We efficiently renovate, protect, and reinforce concrete structures.
Wiesbaden, Germany
Responsibility meets precision.
Since 1947, Wiedemann has been synonymous with building restoration, delivering reliable results and technical expertise. With our headquarters in Wiesbaden and additional locations and affiliated companies, we carry out projects in Germany, Austria, Switzerland, and Luxembourg.
Our focus is on the DACH region and the maintenance of complex concrete structures—from drinking water facilities and bridges to high-rise buildings. As a successful, sustainably growing family-owned business, we operate with experience, reliability, and a solution-oriented approach.
Services Offered by Wiedemann
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What We Stand For
We maintain concrete structures in a cost-effective and sustainable manner. We ensure quality through our experience, qualified staff, and ISO 9001-certified processes.
Our work is characterized by collaborative partnerships, transparent communication, and timely execution. Safety and environmental protection are our top priorities in every project.
Our Mission
We combine engineering expertise with clean and safe execution on the construction site. From the initial assessment to the final implementation, we provide comprehensive support for projects.
In this way, we ensure that structures remain usable over the long term and continue to fulfill their intended function. We work in partnership with our clients and prioritize sustainable solutions that benefit both people and the environment.
We preserve what endures. Building restoration since 1947.
A look at our projects.
We make buildings
ready for the future.
The Wiedemann Group
The Wiedemann Group comprises Fritz Wiedemann & Sohn GmbH, Wiedemann Reservoirschutz AG, Bau Zier GmbH, and Wannenwetsch GmbH. Together, we offer a wide range of services in building restoration and concrete protection—from drinking water systems and reservoirs to bridges and industrial floors, as well as retrofitting, ETICS, and CFRP reinforcement.
We operate in the DACH region with locations in Wiesbaden, Dresden, Meiningen, and Basel.
Fritz Wiedemann & Sohn GmbH
Wiedemann Reservoirschutz AG
Bau Zier GmbH
Wannenwetsch GmbH
Certificates that demonstrate our quality.
Interested in working with us?
by phone or via the contact form. One of our knowledgeable staff members will be happy to assist you.
