Asunto Oy Aamuyönkuja 4

Onni Isännöinti is a professional property management company specializing in small housing companies (taloyhtiöt) across Finland. They offer a flexible service model where clients pay only for legally required property management services, including accounting, invoice processing, charge monitoring, and customer service at a fixed monthly fee. They operate fully digitally, enabling them to serve housing companies throughout Finland including technical property management.