Qatar Mulls Multi-Billion Investment in German Enterprises—Handelsblatt

Qatar had better be very gentle, especially if they are looking at the Small and Medium-sized Enterprises and doubly especially if they are looking for control positions.
As ref'd in 2018's "Sizing up Chinese Investments in Europe":

Germany in particular is very sensitive about this. And if the target of Chinese affection is one of the family-owned Mittelstand companies, well, I get to channel the tabloids with headlines such as 2012's "The Invisible Hand Touches Germany in No-no Place: China Grabs Putzmeister"
Ahem.

Via Sputnik:

Qatar may soon announce new multi-billion-dollar investments in German companies. According to the Handelsblatt newspaper, Emir of Qatar Tamim bin Hamad Al Thani will make an announcement during his upcoming meeting with German Chancellor Angela Merkel in Berlin on Friday.

"We are currently looking at several projects. Our commitment is good for the German and the Qatari economies," Qatari Finance Minister Ali Sharif Emadi told the publication.

Qatar already owns stakes in German companies Volkswagen, Deutsche Bank, Siemens, Hochtief and Solarworld.

Last year, Saudi Arabia, Egypt, Bahrain and the United Arab Emirates broke off diplomatic relations with Qatar, accusing it of supporting terrorism and interfering in their internal affairs. Through Kuwait, which is acting as a mediator in the crisis, the four Arab states handed over an ultimatum containing 13 demands to Doha, but the country has refused to comply with them....MORE 

Back to the SME's:
The German concern for their small and medium sized enterprises goes back quite a ways. Here's an old-timey pic via Wikipedia:

Representation of the supporting
role of the Mittelstand in Walter Wilhelms
„Mission des Mittelstandes“ (Mission of the Mittelstand, 1925)