She currently plays as a midfielder for Heart of Midlothian in the Scottish Women's Premier League, and for the Scotland national team.

She played for boys' teams in her youth before joining Hibernian girls as a 14-year-old.

[3][1] Robertson won her first major trophy when she played in the 2010 Scottish Women's Cup final, as an 18-year-old against Rangers.

[10] In August 2021, Robertson moved Birmingham City from Celtic on a season-long loan.

[11] On 29 June 2024, Robertson joined Hearts on a two-year deal from Celtic.