Zegrahm Expeditions was founded in 1990 and has since then been a leading adventure travel company specializing in small-ship expedition cruises, tours, and safaris to remote and intriguing destinations on all seven continents. Zegrahm Expeditions is based in Seattle and is operating Sea Adventure and Island Sky in the Arctic.
Blue Planet Expeditions was established in 2009 and has since then specialized in small ship expedition cruises around the world. Blue Planet Expeditions currently charter small ships on a per voyage basis for operation in the Arctic and the Falkland Islands. Blue Planet Expeditions is operating the vessel Stockholm in the Arctic.