Grenke AG is a German manufacturer-independent leasing company which is specialized in office communication-products, including printers, copiers, telephone systems, servers and laptop computers.

[9] At the end of February 2018, company founder Grenke resigned from the management board after his term of office had expired.

[10] Wolfgang Grenke was elected to the supervisory board at the company's annual general meeting on May 3, 2018.

Since August 1, 2021, the former capital markets director of Bayern LB Michael Bücker was CEO of Grenke AG.

[16] In 2020, Grenke entered the US-market by establishing a franchising company headquartered in Phoenix, Arizona.