Puustelli tehdasalue 2020

About the Group


Harjavalta Oy is a Finnish family enterprise founded in 1920 and is today a leading construction group and employer. Harjavalta Group includes Puustelli Group Oy, Kastelli Group Oy and Lapti Group Oy. Harjavalta Group had a turnover of around €407 million and 1,200 permanent employees in 2023.

Puustelli Group Oy

Puustelli Group Oy is a manufacturer of top-quality kitchen furniture and other home fittings and a full-service provider specialized in total remodeling.  

Leading manufacturer of fittings in Finland
Innovator of ecological Miinus kitchens
Own full-service speciality stores in Finland, Sweden and Estonia

Kastelli Group Oy

Kastelli Group Oy is specialized in the manufacture of prefabricated single-family home and holiday home kits, and homes and log homes that are ready to move into.

Leading pre-fab single-family home manufacturer in Finland
Headquartered in Oulu
National sales, delivery and installation service

Lapti Group Oy

Lapti Group Oy is specialized in the construction of affordable new homes in Finland’s largest growth centers. Lapti’s service offering also includes the construction of quality school, daycare and nursing properties, office and commercial properties, and healthcare properties across Finland.

Offices: Oulu, Kuopio, Joensuu, Jyväskylä, Tampere, Turku and Vantaa
Operates throughout Finland