A pioneer in wood construction for over 50 years

High quality buildings
made of Finnish timber

A family-owned group

Our operations are based on customer-orientation and high-aspiring quality thinking.

With over half a century of experience, our customers can trust in our solid expertise in wooden and log construction. The values of our group include customer-orientation and high-aiming quality thinking, which are reflected in all of our operations from raw materials to professional working methods.

Read more about the history of our group

Our subsidiaries

PRT-Forest’s business consists of subsidiaries wholly owned by the parent company. The subsidiaries are Piklas Oy, PRT-Wood Oy and Lappli-Talot Oy.



As a manufacturer of windows and doors, Piklas offers Finnish quality to  consumers through its online store. The product selection includes everything from aluminium-structures required by low-energy construction to traditional wooden products designed for summer cabins.

Piklas' website

Key figures 2022

147.1 M€


-7.2 %

Change in revenue

-1.9 M€


0.4 M€

Operating margin

2.5 M€


3.9 M€


-10 %


40 %

Equity ratio



The financial figures of 2022 will be addressed in more detail in the Group’s annual report, which can be downloaded by clicking on the adjacent button.

Development of Group’s key figures

Development of Group’s revenue

Development of Group’s profit

Development of Group’s personnel

Development of Group’s operating margin

Development of Group’s investments