Hattulan Hirsi produces log houses, cabins and other log buildings. The company serves homes, holiday houses, cabins, saunas and leisure buildings using factory-machined or handcrafted log structures supplied as frames, kits or completed buildings.

Its service scope includes model configuration, factory production, interior and exterior options, transport and site placement or assembly. Delivery content defines dimensions, finishes, transport, installation and responsibility for foundations, utilities and final site work.