Semar

Semar is a Norwegian engineering company at the heart of marine operations. We specialise in the planning and execution of complex marine projects, with a growing focus on supporting the offshore wind sector. Backed by a team of experienced project managers, multidisciplinary engineers, and seasoned mariners, we ensure safe and efficient delivery from concept to completion.

Our services cover the full spectrum of marine and offshore wind operation support—including engineering, planning, design, advisory, and execution. Every day, we work to bridge the gap between theory and practice in offshore environments, transforming technical insight into practical, reliable solutions for the renewable energy industry.

Since our founding in 1980, Semar has delivered broad expertise and added value to every project we undertake. Our core competencies include structural design and analysis, advanced hydrodynamics, method development, and mooring analysis for both temporary and permanent cases—skills that are critical for the successful installation of offshore wind farms.