About us

CSUB is a leading developer and manufacturer of Composite Products and Solutions


The CSUB group can take full responsibility for EPC contracts (Engineering, Procurement and Construction) for our customers. Solving challenges for our customers in joint cooperation is one of our strengths.

CSUB develops and manufactures structures and products in Glass Fibre Reinforced Polyester (GRP). The company makes large load-carrying structures by a closed and cost-efficient process that secures predictable and repeatable quality. The material can replace traditional materials such as steel, aluminium and concrete. The GRP material has a long design life (typically 50 yrs.), and provide environmental benefits compared to traditional materials.

The company was founded in 2003 and has delivered subsea structures to the offshore Oil & Gas industry. The company is continuously developing new product and solution offerings both on its own and in partnership with customers. The product portfolio in Oil & Gas market includes a large variety of solutions for protection, foundations and sub-sea processing.

The CSUB Group is also present in the Aquaculture market through the HighComp brand of solutions. Highcomp is also constantly developing new products. The main offering today is large onshore fish tanks, footbridges and closed floating production facilities. Other market segments are scrubbers, light bridges, floating swimming pools and harbour facilities.

The company has production facilities in Arendal and Bokn in Norway, and in Klaipeda, Lithuania. The company is certified in accordance with ISO 9001, 14001 and 18001.



Safety, Quality and Environment are integrated issues in all our activities. Our focus on risk assessments and continual improvements has paid off in form of;

  • A reduction in unwanted incidents
  • A better utilisation of our companies’ factors of input
  • More effective work processes


Our customers feedback are an important tool in our striving to become a better supplier of GRP structures. CSUB Group holds the following certifications: ISO 9001 certified, ISO 14001 and OHSAS 18001, using DNV GL as the certification agency.

Quality Management

For production quality control, CSUBTM have developed Quality Control Documents/Check lists to cover the following:

  • Receipt of materials – all raw materials and CPI to be checked upon receipt
  • Glass fibre layup – full traceability records for raw materials
  • Full traceability records for lay up and resin injection operation including temperature/ humidity etc.
  • Test procedures and logs
  • Final Inspection


For more information, contact us.