Borgmann is originally from Mülheim and studied German, philosophy, and history.

She attended the Folkwang University of the Arts in Essen and joined a theater troupe.

[2] Borgmann frequently portrays the villain in TV roles, such as in Tatort and Polizeiruf 110.

[3] In 2004, Borgmann was nominated at the German Television Awards in the category Best Actress – supporting role, for her performance in that year's Tatort serialized film.

From 2019 to 2020, she played the character of grown-up Elisabeth Doppler in the second season of the Netflix show Dark.