Öckeröborgen is a marine conglomerate based in Öckerö in the archipelago of Gothenburg. With over 100 years of experience, they are known for delivering high-quality services while prioritizing environmental sustainability. The group consists of several maritime companies, including Ö-varvet, Hasslö varv, Tenö varv, Simrishamns varv, Berg Marin, Power House, Power Tech Sweden, Imatech Marin & Industri, Donsö Engine and Shiprepair, Swede Ship Marine, Swede Ship Composite, Swede Ship Yachtservice, Swede Ship Sublift, CKG i Uddevalla, and Ö-PAC.

Ö-varvet, located on Öckerö, offers dry docking, repairs, services, conversions, new builds, and marine electronics. Hasslö varv provides slipways up to 300 tons, indoor facilities, workshops, and carpentry services. Tenö varv specializes in maintenance and repair work for Swedish commercial shipping.

Simrishamns varv is a leading provider of shipyard services on the east and south coasts. Berg Marin is a technology information company focused on developing descriptions, manuals, and training materials. Power House offers marine and industrial power solutions, while Power Tech Sweden manufactures electric and hybrid propulsion systems.

Imatech Marin & Industri provides technical support, training, and cost-effective application solutions. Donsö Engine and Shiprepair is a fully equipped workshop specializing in high-speed diesel engines. Swede Ship Marine, Swede Ship Composite, Swede Ship Yachtservice, and Swede Ship Sublift are specialized shipyards on Sweden's west coast.

CKG i Uddevalla offers installations and expertise in onboard power supply and communication. Lastly, Ö-PAC Technology provides innovative technology for predictive maintenance and ship dynamics modeling. Overall, Öckeröborgen is a trusted brand with a diverse range of maritime products and services