GVA is a world leading designer and provider of licensed technology for large floating marine platforms / units within Offshore Oil & Gas and Renewable Power. GVA is particularly strong in all applications of semi submersible 4-column platforms. GVA’s headquarters are located in Gothenburg, Sweden, and there are subsidiary operations in Houston, as well as an Sales office in Rio de Janeiro. The company’'s roots in Offshore Oil & Gas go back some 40 years through Götaverken Arendal Shipyard where the GVA series of semi-submersibles were originally developed and fabricated. The industrial fabrication and shipbuilding roots are going back to 1841. GVA have over the years produced a number of breakthrough design solutions that have re-shaped the industry globally.