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Gruner GmbH,

Gruner GmbH, Hamburg is an independent engineering company within the Gruner Group that specializes in fire safety. Founded in 2016, we offer our customers in northern Germany – primarily in the Hamburg region – fast, flexible and personal customer service: our fire safety experts handle projects of all sizes, both for new and existing buildings. Since our fire safety team in Hamburg can draw on many years of experience of dealing with the unique features of the region, certainty is guaranteed from an early stage in the planning process. 

Fire safety you can count on – Our highly qualified engineers offer the entire spectrum of fire safety services across all project phases. Long-standing international experience coupled with state-of-the-art fire safety engineering methods ensure customized fire protection for the future.

Our specialists have extensive experience in national norms, regional regulations and international standards. 


Executive Board

  • Jörg Kasburg, Dipl.-Ing. (Vorsitz)
  • Manuel Tiedemann, Dipl.-Ing. (FH), Niederlassungsleiter



  • Engineering methods


Gruner GmbH,

Gruner GmbH, Hamburg
Raboisen 16
20095 Hamburg
T +49 40 3562 393-0
Contact Person
Manuel Tiedemann
T +49 40 3562 393 10
Manuel Tiedemann, Gruner GmbH, Hamburg