[2] Allardice signed his first professional contract for Dundee United in June 2014, but missed most of the 2014–15 season due to a knee injury.
[4] In May 2018 he signed a new one-year contract with Dundee United[5] before joining Scottish League One side Dumbarton on a six-month loan deal.
[7] He was released later that month, joining League of Ireland Premier Division club Bohemians after a successful trial.
[11] He would play an important part for the Caley Jags over three seasons and helped the club to an unlikely 2023 Scottish Cup final appearance.
[12] In June 2023, Allardice would leave Inverness and join their Highland derby rivals, Scottish Premiership club Ross County.