Execution of new constructions, renovations and refurbishments, including all related work, particularly in the following areas: reinforcement, scaffolding, floor systems, ceiling systems, wall systems, drywall systems, kitchen systems, as well as sanitary, heating and ventilation systems, ventilation insulation, electrical, security, communication, building management systems and IT networks, formwork, painting and plastering, facade construction, carpentry and joinery, and construction cleaning. Provision of services in the aforementioned areas, particularly planning, consulting and construction management; complete purpose description according to the articles of association.