The company's purpose is to carry out all engineering work on wooden structures, all construction work on wooden structures or containing wood, including notably wooden frames and structures, roofs, halls, slabs, floors, walls using traditional or innovative techniques, large-span floors, wooden skeletons and wall panels, joinery, partitions and stairs, wooden bridges, walkways and towers, other wood-based constructions; the operation of a general building contractor; all expert work in these fields (for complete purpose see articles of association).