Aside from Germany, the company's core markets are Poland, Spain, the Netherlands, Belgium and the United Kingdom.

[2] The publicly traded company is listed in the SDAX and the Prime Standard segment of the Frankfurter Börse.

[4] In 2014, Ströer acquired the brand GIGA Television, which continues to run it with the former founders.

[8] [9] Ströer has used loopholes in national legislation to advertise for tobacco, specifically targeting young people, despite European laws prohibiting nicotine marketing in public places.

In German cities, as of 2019 notably Mainz and Hildesheim, the company has repeatedly placed advertising signs directly in front of schools, Kindergartens and playgrounds.