Company history 

Successful since 1991

With more than a dozen robotic equipment units and hand lances, today, Wannenwetsch is one of the leading operators of high-pressure water technology in Europe. And our machinery fleet is constantly being adapted and expanded to satisfy market requirements. Our working radius stretches far beyond Europe and makes us a worldwide operating company.

Every day, 50 highly qualified employees work to ensure that all benefits of high-pressure water blasting can be efficiently and effectively deployed in building renovation. Technical innovation and high-quality awareness are some of the core competencies of our company. Wannenwetsch services are pioneers in technical and efficient innovation.

At a glance

  • 1991: Launch with one robot and one hand lance
  • Today: 50 highly qualified employees
  • Leading operator in Europe
  • Global working radius
  • Innovation and quality awareness – a strong connection to the future

Milestones, figures and facts

Click the arrows to browse our company history in images.



Company founded by Dr Alexander Wannenwetsch with one robot and one hand lance.


Development of the first in-house standard robot & integration of an in-house design and development division


First international contract in Aarlborg, Denmark, through the development of TYPE 1 telescopic robot with a working height of 6.5 m

To job report "Aarlborg" »


Fire damage repair of the Mont Blanc Tunnel in Italy/France through the development of the Type 2 telescopic robot with a working height of 7.50 m


Wannenwetsch becomes part of the Keller Group


First contract outside Europe through the development of the Type 4 telescopic robot with a working height of up to 12 m for deployment in a shipyard in Korea.


First deployment under pressurised air in the City-Tunnel Leipzig; custom design and exhaust extraction for pump units

To job report "City Tunnel Leipzig" »


Concrete cutting in the Calais / Dover Euro Tunnel through the development of a specially designed curved beam for deployment in the tunnel

To job report "Euro-Tunnel" »


Addition of particulate filters and use of 2000 bar robot technology for the remedial works of the P6 multi-storey car park at the Zurich Airport in Switzerland

To job report "Zurich Airport" »


Investment in super-silent pump unit


25-year company anniversary of Wannenwetsch GmbH & inauguration and moving into a new office building

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