Ulf van Lengerich

Solventis AG provides research, sales, and trading services. It offers its services to companies, financial investors and strategic partners. The company was founded in July 2000 and is headquartered in Frankfurt am Main, Germany.

SPARTA Invest AG engages in the acquisition, management, and disposal of participating interests in corporations and partnerships as well as listed stock corporations. Its business activities also include the management of its own assets, financial transactions, and transactions in financial instruments. The company was founded on May 25, 2004 and is headquartered in Heidelberg, Germany.

Augenklinik Dardenne SE is a modern eye clinic that specializes in cataract surgery, laser eye surgery, glaucoma treatment, and eyelid surgery. The company is based in Germany, specifically in Bad Godesberg. The German company also provides regular eye check-ups. The CEOs of the private company are Tobias Schulz-Isenbeck, Piper Burkhard, Patricia Geller.

Solventis Wertpapierhandelsgesellschaft mbH (SW) is the brokerage subsidiary of Solventis AG. The firm is headquartered in Mainz, Germany. The firm provides corporate and thematic research.