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Lüem AG

Founded in 1957, Group member Gruner Lüem AG is an independent design and engineering company located in Basel, with core competencies in structural and earthquake engineering, demolition/deconstruction and building contaminants.

Public- and private-sector clients are able to capitalize on our many years of experience and across-the-board expertise in the role of both single-source and specialist design firm. Our committed and highly professional staff develops solutions that are perfectly tailored to customers’ needs. Interdisciplinary teams that are set up in response to the client’s brief ensure efficient implementation of the project in line with all quality, time and cost targets.

Executive Board

  • Toni Waldner, Engineer (TU) (Managing Director)
  • Ullrich Dickgiesser, Engineer (TU)
  • Jan Herzog, MSc Civil Engineer (FHNW)


Gruner Lüem AG

Gruner Lüem AG
St. Jakobs-Strasse 199
4020 Basel
T +41 61 205 00 70
F +41 61 271 56 41
Contact Person
Toni Waldner
T +41 61 205 00 77
Toni Waldner Gruner AG