Markus Klaus

JKK Beteiligungs GmbH provides administrative and business management consulting services. The private company is based in Wuerzburg, Germany.

First Climate AG operates as a carbon asset management company. The firm engages in the development, financing, and implementation of projects and customizing trading solutions for companies subject to the EU Emission Trading Scheme. It offers carbon investment management services, such as carbon investment advisory, risk management, and asset administration; sales and trading services, including intelligent market, sales, trading, and aviation; carbon asset development services, which include CDM and JI project cycle; project finance services; and climate neutral services, such as climate neutrality, project portfolio, and consulting. The company was founded in 1999 and is headquartered in Bad Vilbel, Germany.

Hosta - Werk für Schokolade-Spezialitäten GmbH & Co. KG is a German confectionery company that has been producing traditional and high-quality sweets since 1949. The private company was founded by Hermann Opferkuch and is based in Stimpfach-Randenweiler, Germany. Hosta is known for its delicious confectionery that has gained popularity over the years.

Hosta International AG is a Swiss company that specializes in confectionery production and operates confectionery stores. The private company is located in Switzerland and has subsidiaries in Italy, Poland, Netherlands, and Ukraine.

Harald Quandt Industriebeteiligungen GmbH (Harald Quandt Industriebeteiligungen) is a private equity subsidiary of Harald Quandt Family Office GmbH founded in 2017. The firm is headquartered in Bad Homburg vor der Hoehe, Germany.