Ralf Gärtner

Gärtner & Lang GmbH is a German company that manufactures automotive parts and accessories. The private company is based in Sontra, Germany. The CEOs of the company are Ralf Gärtner, Thomas B. J. Wollschlaeger.

Part of Wolters Kluwer NV, Tagetik GmbH is a German company that wholesales data processing equipment, peripheral devices and software. The company is based in Unterschleißheim, Germany. The CEOs are Ralf Gärtner, Anna Heinrichs, Claus Koppensteiner. The company was founded in 2016.

Wolters Kluwer Software und Service GmbH develops and provides software solutions. It is an application software company that provides business-critical solutions to two related markets: tax accountants and SMEs. It develops, licenses and manages standard and sector specific software for bookkeeping, accounts production, tax, cost accounting, payroll administration and controlling. The company was founded in 1921 and is headquartered in Ludwigsburg, Germany.

Comarch Software und Beratung AG engages in the provision of information technology (IT) and business software solutions. It offers enterprise resource planning, finances, customer relationship management, business intelligence, electronic data interchange, document management system, enterprise content management, IT infrastructure, as well as hosting and outsourcing services. The company was founded in 1973 and is headquartered in Munich, Germany.