The family business onOffice was founded in 2001. The company is 100% self-financed and grows continuously from its own resou ... rces. Since its inception, more than 20,000 users have benefited from the expertise of onOffice enterprise, the online real estate software. With over 220 employees and CEO Stefan Mantl, the onOffice team convinces with its well-founded know-how not only real estate agents, but also banks, broker networks and prefabricated house manufacturers. read more