Rasmussen Group is based in Kristiansand and operates as a corporate office with a diversified portfolio of financial investments. The company focuses on both listed and unlisted companies, and has a particular interest in early-stage investments. Through its subsidiary AVANTOR AS, Rasmussen Group has developed properties, and they have a significant property portfolio in Nydalen, Oslo, as well as development properties in Slemmestad and Tønsberg.
The company is the majority owner of Shearwater Geoservices Holding AS, which is recognized as the world's largest ship-owning seismic company. Rasmussen Group has its roots in Brekkestø, which gives the business a local anchorage. The company's strategic investments and property development contribute to a diverse and solid business model.