Harald Buchner

advantec Beteiligungskapital AG & Co. KGaA engages in the establishment, acquisition, and sale of companies and shareholdings, as well as investment in firms. It also specializes in the management takeover of businesses, including the management of participating interests in firms. The company was founded on June 3, 1999 and is headquartered in Berlin, Germany.

Confidence Holding AG is a technology holding company, which provides Internet services. It plans to participate in other companies with a focus on IT and Internet services. The company was founded on April 8, 2004 and is headquartered in Berlin, Germany.

Innovativ Capital AG is a technology holding company, which engages in the acquisition, management, sale and merger of companies, assets and investments, particularly in growth-oriented companies. The company was founded on July 4, 2000 and is headquartered in Berlin, Germany.

Protektus AG engages in the acquisition, holding, management, and sale of participating interests in companies operating in the security technology sector. The company was founded on June 16, 1998 and is headquartered in Berlin, Germany.