Execution of roofing and facade work of all kinds, in particular creation of roofs of any nature, insulation of roofs, carrying out of repair work on roofs, renovation of roofs, facade construction, facade cladding, facade insulation and facade renovation; provision of all related work and services; participations; development, creation, production, registration, brokerage, financing, granting, licensing, acquisition, holding, management, administration, use, rental, encumbrance, sale or exploitation of any other type of securities, capital market instruments, participations, capital investments, licenses, patents, trademarks, know-how and any other intangible assets or rights and movable assets; establishment, brokerage, financing, acquisition, holding, management, administration, use, rental, development, reconstruction, renovation, encumbrance, sale or exploitation of real estate of any kind; trade in assets and raw materials of all kinds; taking out loans and credits for itself, subsidiaries, shareholders and third parties; granting loans and credits to subsidiaries, shareholders and third parties; assuming liability for loans and credits of subsidiaries, shareholders or third parties as guarantor; providing other guarantees of any kind, in particular pledges, fiduciary transfers or provision of other securities; entering into and assuming exchange liabilities; making any other form of short-term, medium-term or long-term investments, borrowings, financings and financial transactions.