Founded in 2011, Green Sound OÜ provides advanced audio guide solutions across Estonia, the Baltics, and Scandinavia. The company aims to enhance guided tours and translation services by offering modern audio and radio systems for tourism groups, museums, factories, and other institutions. A key partner is DenEesti, with whom they serve the cruise tourism sector, managing full-service logistics. Green Sound is a member of the international Vox Network, a pioneer in wireless audio tour systems, enabling clear and comfortable communication for groups worldwide.