Asunto Oy Kristianinkatu 3

Isännät Oy is a Helsinki-based property management company operating since 1975, specializing in managing housing companies (taloyhtiöt) primarily in the Helsinki city center area. They provide full-service property management including accounting via Visma Fivaldi, maintenance coordination, and digital resident services through the Osuria platform. The firm holds ISA accreditation and employs property managers with professional qualifications in property management.