DEWI-OCC, founded in 2003, is a 100% subsidiary of UL International GmbH and has therefore been part of UL since 2012. Maritime competence and special know-how of the wind energy industry form the basis for the technical and scientific. Supporting the growing offshore industry. An interdisciplinary team of qualified and experienced engineers is ready to meet all requirements. DEWI-OCC is a certification body for onshore and offshore wind turbines/components accredited by DAkkS. Certifications and type tests are just as much a part of the wide range of services as damage/risk analyses and commissioning/recurring tests.