Born in Huntingdon, Bass progressed through Portsmouth's youth categories. He first appeared on the first team bench on 7 March 2015 at the age of 16, he went onto feature on the Portsmouth bench a further 36 times before making his debut in a 3–2 defeat at Coventry City in the EFL Cup on the 9 August 2016.[3]
Salisbury (loan)
On 16 August 2016, Bass was loaned to Southern League South & West side Salisbury in an initial one-month deal, before returning to Portsmouth at the end of the season.
Return to Portsmouth
On 5 May 2018, Bass made his first league start for Pompey, keeping a clean sheet in the 2–0 home win in their final League One game of the season against Peterborough.[4] Four days later, the club took up the option of extension on his contract and renewed it for a further year.[5][6]
Torquay United (loan)
On 9 July 2018, Bass signed a new three-year contract at Portsmouth and moved on loan to National League South side Torquay United for their 2018–19 title winning season.[7]
On 12 July 2023, Alex Bass joined AFC Wimbledon on a season long loan.[12]
Notts County
On 18 June 2024, Alex Bass joined Notts County on a three-year deal.[13]
Peterborough United
On 30 June 2025, Bass joined League One side Peterborough United for an undisclosed fee, signing an initial three-year contract with the option for a further year.[14] Prior to the commencement of the 2025–26 season, he suffered a broken foot in a pre-season friendly against Milton Keynes Dons, estimate to rule him out for a period of six weeks.[15]
