Provision of services and works in the areas of roof renovation, roofing, monument preservation, staircase construction, interior finishing, floors, timber construction, transport, removals, clearance work and all-round work. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business directly or indirectly related to its purpose, acquire, encumber, sell and manage real estate in Switzerland and abroad, acquire, manage and sell securities, intellectual property rights and licenses of all kinds, arrange financing of any kind for its own account or for the account of third parties, take out and grant loans, and provide guarantees and other securities for the liabilities of third parties and related persons.