Founded in 1979 ISO has developed a CRM system, Emerald, tailored specifically to the needs of the tourism market for more than 30 years. Emerald supports the entire process of the tourism value chain – from initial travel advisories to follow-up to the customer getting back for arranging the next trip. ISO possess profound knowledge and have the required skills to implement and optimize the IT of tourism active or globally. With Emerald, ISO has developed a CRM system tailored specifically to the needs of the tourism market. Emerald supports the entire process of the tourism value chain — from initial travel advisories to follow-up to the customer getting back for arranging the next trip.