The core activity of h-plan engineering gmbh is the provision of engineering and planning services in the field of construction, particularly in the areas of: project management and construction management, plant engineering, including energy efficiency and environmental technology, reinforced concrete construction, steel construction and timber construction, road construction, including road surface renovation and asphalt paving, and photovoltaic systems and renewable energies. The company also offers energy consulting and calculation services and has a broad network of architects and other specialists in the construction industry.