Her performance as Chaar in Bad Behaviour garnered her the "Best Supporting Actress" accolade at the 2010 Melbourne Underground Film Festival.
Grimshaw began her training at the Southbank Institute of Technology in Brisbane, where she completed a performing arts and acting diploma, graduating in 2006.
[4][3] Grimshaw began her professional acting career by starring as Constance in the short film The Covenant of Mr Kasch.
[4] In 2020, she appeared as Sarah in the second season of the drama series Bloom, which was broadcast via Stan[2] Grimshaw then played Claire McCormick in the feature film How Do You Know Chris?, which was directed by Ashley Harris.
[8] The following year, Grimshaw appeared as Helen in the film Road to Perth, which was later sold to US and Canadian on-demand streaming services.