Verification & Validation

Verification & Validation is an important tool to establish the quality and functionality of equipment and systems, both technical and operational. Verification & Validation of equipment and system is a key mission for Sebastian AS.

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Get in touch
Contact us

Sebastian AS started its journey back in 1994 and have become a recognized name in the maritime and offshore industry.

We built much of our expertise from the oil and gas industry. The industry is changing and as a technological company we follow the transition into renewable and other new market segments.

Sebastian is eager to participate to a more sustainable future by sharing our knowledge and help our customers.

Marine & Offshore

Ensuring safe Marine Operations is one of the corner stones of Sebastian AS. This is ensured by thorough knowledge of the industry, both operationally and technically.

Sebastian AS can assist clients worldwide with necessary knowledge of statutory requirements and industry standards. Our staff have both technical and operational background, making Sebastian AS a reliable partner for any client.

Our task is to ensure your asset is built according to requirements and is fit for purpose.


  • DP Assurance
  • Marine Assurance
  • Vessel Assurance
  • MODU Assurance
  • Newbuilds – spec review and follow up at the yard
  • Retrofit – spec review and assistance including follow up at the yard
  • eCMID – Common Marine Inspection Document by our accredited vessel inspectors
  • Client representatives
  • Incident investigations
  • Assurance regarding sales and purchase of vessels
  • Other


  • Technical design review
  • Control system review
  • Redundancy concept? – fish handling system
  • Vessel intake (Live fish carrier etc) – marine assurance in conjunction with contract award for support vessels


Reducing risks for renewable energy projects

  • Wind
  • Solar
  • Hydropower
  • Hydrogen
  • Tidal
  • Bio power
  • Nuclear
  • Geothermal
  • Energy Storage
  • Power to X

Support for operations and maintenance


  • Feasibility study
  • Technical design review
  • Control system review
  • Redundancy concept safety systems


  • Energy storage with safety/ control systems
  • Shore power systems
  • Charging systems for battery powered vessels
  • Verification of safety systems for buildings, roads, tunnels, railroads etc.
  • Other

Sebastian provides consultancy and engineering services including

  • Design reviews
  • Concept studies
  • Feasibility studies
  • Philosophy documents
  • Specification review
  • Electrical design review
  • ESD/F&G review
  • Energy storage – system review
  • Assistance for ship purchase/ sale
  • CMID