[3] He joined National League North side AFC Fylde in July 2022 on a one-month youth loan.
[4] In July 2023, Simkin signed a new long-term contract with Stoke and joined National League side Solihull Moors on a season long loan.
[6] Simkin made his professional debut on 9 December 2023 in the Championship against Sheffield Wednesday after Jack Bonham was unavailable due to sickness.
[7][8] On 12 January 2024, Simkin joined League Two side Forest Green Rovers on loan for the remainder of the 2023–24 season.
[9] Simkin made one appearance for Forest Green which came in a 2–0 defeat against Harrogate Town on 13 January 2024.