Rachael is the MSP for Ettrick, Roxburgh and Berwickshire. Rachael first became an MSP in 2016 when she was elected as a list member for the South of Scotland. Following the resignation of John Lamont in 2017 to contest the General Election, Rachael was selected by the party as the candidate for Ettrick Roxburgh and Berwickshire and was elected on June 8th, 2017 in a by-election with 53.55% of the vote and a 9,338 majority.
Since becoming an MSP, Rachael has held various Shadow Cabinet roles, including Shadown Cabinet Secretary for Tourism and Small Businesses and Shadown Cabinet Secretary for Rural Affairs and Tourism. At present, Rachael is the role as Shadow Cabinet Secretary for Social Security and Older People.
Rachael is the Scottish Conservative and Unionist candidate for Ettrick, Roxburgh and Berwickshire constituency in the 2021 Scottish Parliament Election.