Our experts are available around the clock and can cover from our offices in Duisburg and Lauenburg not only Germany but also Belgium, The Netherlands, Luxembourg, France, Austria, Hungary and the Switzerland. Also assignments at the Danube, Scandinavia and Great Britain are no problem.

Our team consists of engineers covering Naval Architecture, Marine Engineering and Mariner with years of experience. Correspondence can be held in English or Dutch, reports will be prepared in any language as demanded.

Dipl. Ing. Patrick Gottschall - CEO

Publicity appointed and sworn average expert for average on Inland Waterway Vessels and Adjuster.

Member of Vereinigung Westdeutscher Schiffssachverständiger Duisburg e.V. (VWSD)
Member of Internationale Vereinigung des Rheinschiffsregister (IVR)

mobil: +49 171 5118788    

mail:  gottschall(at)

Carsten Beese

Dipl.Ing (FH - Schiffsbetriebstechnik), Expert

mobil: +49 151 28285722    

mail: beese(at)

Björn Albers

Expert, Inland navigator, ADN Expert

mobil: +49 151 52065252

mail:  albers(at)

Michael König

Ing (B-Eng.), Expert

mobil: +49 151 41414433

mail:  koenig(at)

Daniela Harus


mail: harus(at)


Tina Lison


mail:  lison(at)


Antje Gottschall