About us Helios Group of Companies is an economic entity, formed in Mastichari - Kos, Greece. Our mission is to encourage, promote and develop tourism as a major socio-economic activity, to generate foreign currency and local employment, ultimately spreading the benefits of tourism to both private and public sector. Our vision is the excellence in service delivery by understanding the needs of the guests and ensuring the right executives on board. Secure reliablility, by being consistent in delivering what we promise by being knowledgeable about our products, services and the travel industry.