The execution of all construction, conversion and renovation work on buildings, including in particular the preparation of studies and diagnostics in the field of energy optimization. The company may also carry out any other activity that has a direct or indirect connection with these objectives; it may in particular establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire companies with an identical or similar purpose, or merge with such companies, carry out all operations and conclude all contracts suitable for developing and expanding its purpose or relating directly or indirectly thereto.