Sam Winkel

Questos AG provides financial services. It engages in the acquisition, sale, and management of assets. The firm's investment assets include information technology software development companies, real estate, shareholdings in other enterprises and new media businesses. The company was founded on April 19, 2000 and is headquartered in Munich, Germany.

Aureum Realwert AG engages in the acquisition, administration and sale of financial assets such as investments in other companies. It invests in real assets including precious metals, raw materials, and real estate. The company was founded by Wolfgang Kuennecke on November 18, 1991 and is headquartered in Berlin, Germany.

Carthago Value Invest AG is a closed-end investment fund/investment trust. The company is headquartered in Bremen, Germany.

Blockchain Infrastructure Group AG is a holding company, which engages in detection and identity protection solutions. It specializes in personal security assistance. The company was founded by Thomas Short in 2008 and is headquartered in Berlin, Germany.

Schraad Metallbau AG engages in the production and manufacture of metal products. Its products include ferrous metals, non-ferrous metals, precious metals, and minor metals. The company was founded in 1999 and is headquartered in Bremen, Germany.