The sole proprietorship aims to plan, design and execute new and renovation constructions, take over construction management tasks, construction and project management mandates and assume other services in the construction industry; Furthermore, it exercises fiduciary transactions for the construction industry, in particular organization, planning, execution and administration of new buildings and total constructions, as well as providing services in the area of property management, building technology and craft work. Execution of electrical installations of all kinds. The sole proprietorship can establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or establish similar or related companies, and enter into all transactions that can achieve synergies with the main purpose; Furthermore, it can acquire, manage and sell securities. The sole proprietorship can acquire, develop, manage and exploit patents, licenses and manufacturing processes, as well as acquire, manage and sell real estate, and provide guarantees and other securities.