FIO | 2,286 followers on LinkedIn. Lösungen für Immobilienmakler:innen und die Finanzwirtschaft | Since 1999, FIO has stood consistently for high efficiency web-based software solutions. Our line of FIOPORT products is designed for real-estate management and marketing, payment transactions, claims management and the like. FIO has proven to be the leader company in that particular branch of software solutions.