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Drawing on 20 years of experience in the oil and marine industry, Sebastian AS has acquired wide-ranging skills and know-how. Our professional and highly competent staff have extensive experience working in shipyards, on offshore installations and sailing ships. This unique expertise ensures the thorough, reliable and efficient preparation of consultancy and engineering services, with the main focus on safe maritime operations and cost-efficient solutions for our customers.

Sebastian AS knows the various parties in the marine business, both ship designers and equipment suppliers, and is aware of the strengths and weaknesses of different designs. Sebastian also has experience of project management, site management and construction supervision and can join the ship owner’s organization for project management. In a world full of information, Sebastian, as an independent company with high integrity, can help you to make the correct choices regarding concept, configuration and safety at an early phase in the project, always considering cost-efficiency. This helps to avoid later variation orders and costly rebuilding.

Sebastian provides consultancy and engineering services including: 

  • Electrical engineering work
  • Short circuit studies
  • Protective coordination studies
  • Voltage drop analysis
  • ESD and F&G diagrams
  • Electrical load analysis
  • I/O list instrumentation
  • PMS and switchboard specifications
  • Outline and building specifications
  • Electrical system philosophy
  • PMS philosophy
  • EMC guidance for ships installation
  • Survey reports on electrical systems
  • Conversion specifications
  • Concept analysis
  • Feasibility studies
  • Strategy studies
  • Design reviews
  • Project management for newbuildings and conversions
  • Supervision of electrical installations
  • Electrical survey verifications
  • Harbor and sea trial verifications
  • Internal communication design philosophy
  • IAS Functional design philosophy
  • Electrical power system philosophy
  • Redundancy and electrical distribution philosophy
  • Cable Selection philosophy





Sebastian AS
Sj√łgata 61
N-6065 Ulsteinvik
Tel: +47 70 08 11 99



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