[2][3] During her training, she played various roles, including Hermione in The Winters Tale (2013), Mimi in Rent (2014), Elmire in Tartuffe (2014), and Virginia in Soul Music (2015).

McIntosh made her West End debut playing Anna of Cleves in the musical SIX.

In 2019, the SIX cast members were nominated for the Olivier Award for Best Actress in a Supporting Role in a Musical.

[5] McIntosh left the production in November 2021,[6] though she joined other original cast members for three performances at Hampton Court Palace.

[11] McIntosh is a member of the girl group SVN, formed in 2020 with original Six cast members Jarnéia Richard-Noel (Jaye’J), Millie O’Connell, Maiya Quansah-Breed, Aimie Atkinson, Natalie Paris and Grace Mouat.