About us


Sledge Hammer Engineering International B.V. founded in 1990, has gained experience in all types of complex on- and off-shore projects. Throughout the years we have managed to take upon bigger projects as we improved our qualitative and operational skills, processes and standards through experience.

Sledge Hammer

Sledge Hammer Engineering International B.V. (Sledge Hammer for short) is a high quality specialist in fabrication of special custom made heavy duty steel structures for the off-shore Industry, mob- and demobilizations of off-shore barges, fabrication and installation of sea-fastenings, piping, conversions and repairs.

Other information

Sledge Hammer has its own Quayside at Waalhaven Rotterdam with a Guaranteed Water depth of 10,6 meters. All works are executed in accordance with ISO 9001:2015, SCC** 2008/5.1, ISO 3834-2:2005, NEN 1090-1:2009/A1:2011 (under systeem 2+) and ISO 14001:2015 certification.