George Quantrell played for Norwich's Under-18s during the 2017/18 season, making his debut against Fulham on 25th November 2017. He is a defender.
George subsequently moved to Dereham. He spent some time with Stowmarket before returning to Dereham on 16th February 2020. In October 2020 he returned to Stowmarket.
On 19th May 2021 he joined Southern League side Leiston.
He moved to Braintree on 18th July 2023. He returned to Leiston in November 2023.