Andreas Romankiewicz

ZERTUS GmbH operates as a holding company with interests in food industries. It offers confectionery and delicatessen products; dextrose in tablet and powder form, as well as a range of products for sports nutrition and starch containing dry goods for consumer goods, trading, and retail sectors. The company was founded in 1826 by Friedrich Theodor Meyer and is headquartered in Hamburg, Germany.

Kalfany Geschäftsführungs GmbH is a private company based in Herbolzheim, Germany. The CEOs of the German company are Andreas Romankiewicz, Klaus Richter. Kalfany Geschäftsführungs GmbH provides investment services.

Dextro Energy GmbH & Co. KG is a German company that specializes in providing energy-boosting products for athletes and fitness enthusiasts. The private company is based in Krefeld, Germany and was founded in 1927. The company's products include dextrose-based energy drinks, electrolyte tablets, energy gels, and carbohydrate bars. The CEOs are Stefan Harms and Andreas Romankiewicz.

Part of Zuckerraffinerie Tangermünde Fr. Meyers Sohn Holding GmbH, Zertus UK Holding Ltd. is a holding company that operates through its subsidiaries to manufacture snacks and confectionery products. The company is based in Fakenham, UK and was founded in 2012.

Zuckerraffinerie Tangermünde Fr. The company is based in Hamburg, Germany and has a global presence of subsidiaries in several regions. Meyers Sohn Holding GmbH is an investment firm with a focus on confectionery and fine foods distribution. The German company was founded in 1992 and is led by CEOs Alessandra Cama and Stephan Tendam.