operation of a design company for all architectural projects in the most diverse areas of construction as well as their development and execution; the company will provide advice on implementation, establish plans, call on specialized technicians if necessary, and compile all files to obtain building permits; it may also promote and develop the sector of renewable and alternative energies; the purchase and sale of any real estate and movable property, including the rental and management of buildings in the broadest sense of the term; the same applies to the promotion of individual or collective housing (cf. statutes for complete purpose)