Klaus Hellwig

GBS Asset Management AG engages in the management of its own assets, particularly the purchase and sale of properties, securities, coins, and precious metals. It also specializes in the establishment of, investment in, and sale of firms. The company is headquartered in Frankfurt, Germany.

Rhein Ruhr Gebäude Service GmbH is a cleaning service company based in Dusseldorf, Germany. The German company offers cleaning services for commercial objects, including office complexes and industrial companies, as well as garden and landscape maintenance, winter service, facade and blind cleaning, and elevation cleaning. The private company also provides experienced craftsmen for renovation work, repairs, and installations. The company has been working in cleanliness for over 20 years and has set new standards in building cleaning. The company employ a good 250 permanent employees and offer high flexibility, highest reliability, and quality snacks. The company was founded in 1989, and the CEO is Klaus Hellwig.