Sisustussuunnittelijat SI ry is a nationally recognized association for interior designers and interior architects, established in 1972. With 190 members who have completed professional studies in interior design or interior architecture, the association spans across Finland, bringing together talented individuals in the field. The expertise and professionalism of a registered interior designer can be identified by the SI abbreviation following their name.

Sisustussuunnittelijat SI ry aims to inspire and promote the art of interior design through its dedicated board and esteemed honorary members. The association organizes various events and collaborations, keeping its members engaged and updated. Additionally, Sisustussuunnittelijat SI ry offers valuable resources such as the Designer's Handbook and opportunities for partnerships.

Whether it's creating unique products or timeless spaces for residential or commercial clients, interior designer Minna Haapakoski exemplifies the excellence and creativity fostered by Sisustussuunnittelijat SI ry. With a rich heritage and a commitment to responsible design, Sisustussuunnittelijat SI ry continues to be at the forefront of the industry