Reinhold Rüther

RWTÜV GmbH is a technology service provider based in Essen, Germany, with subsidiaries in Germany. The German company's focus is on diversity, integrity, communication, customer orientation, sustainability, and entrepreneurship. The private company provides services in energy and environmental, telecommunications, insurance, and advanced consulting. The company has made strategic investments and is a secure partner for investments. The company also prioritizes company succession. The CEO of the company is Reinhold Rüther.

Part of RWTÜV e V, CUBIS Consulting Group GmbH is a holding German company that operates in the field of management consulting services. The company is based in Essen, Germany. The CEOs are Fabian Fechner, Reinhold Rüther, Thomas Biedermann. The company was founded in 2006.

CETECOM GmbH engages in the provision of testing and certification of products with radio technologies. It offers EMC (electromagnetic compatibility) testing, radio testing, cellular testing, conformance testing, electrical safety testing, and audio testing services. The company was founded in 1993 and is headquartered in Essen, Germany.

Part of RWTÜV e V, RWTÜV Grundstücksverwaltungs-GmbH is a German company that provides real estate services. The company is based in Essen, Germany. The CEOs are Reinhold Rüther, Werner Schmitz. The company was founded in 2003.

TÜV NORD AG provides testing, inspection, and certification services. It offers seminars, courses, professional development, and in-house training courses in relevant subjects to companies and private individuals. The company was founded in 1869 and is headquartered in Hannover, Germany.

Part of RWTÜV e V, Aktaios Verwaltungs-GmbH is a German company that provides investment services. The company is based in Essen, Germany. The company was founded in 2005. The CEO is Thomas Biedermann.