Peter Arnoth

T-Mobile Austria GmbH engages in the provision of mobile telecommunications, fixed-line network, and Internet services. It also operates an online platform, which offers mobile phones. The company was founded in October 1996 and is headquartered in Vienna, Austria.

NiEDERMEYER GmbH owns and operates a chain of consumer electronics retail stores. It offers cameras, mobile phones, computer equipment and photo development services. The firm also operates as an online retailer of cameras and camera equipment. The company was founded in 1957 and is headquartered in Vienna, Austria.

Part of Telefónica SA, E-PCPM GmbH & Co. KG is a German company that provides mobile telecommunications and data services. The company is based in Dusseldorf, Germany.

Vav Holding & Consulting GmbH is an investment holding private company based in Vienna, Austria.

Part of cyan AG, Cyan Security Group GmbH provides digital security solutions. The company is based in Vienna, Austria. Peter Arnoth has been the CEO of the Austrian company since 2011. Cyan Security Group was acquired by cyan AG on March 28, 2018.

Cyan Mobile Security GmbH provides digital security services. The private company is based in Vienna, Austria.