18 year old Falkirk midfielder Conor McGrandles signed for Norwich City on 27th August 2014 for an undisclosed fee, reported to be Falkirk's record sale and said to be approximately £1million.

Conor worked under Norwich's first team coach Gary Holt at Falkirk.

He made his debut for Falkirk aged 16 and had made 82 senior appearances at the time of his transfer to Norwich.

He has also been called up by Scotland's Under-19s.

McGranldes made his Norwich City debut as substitute in the 6-1 home win over Millwall on Boxing Day 2014.

On 13th January 2016, he was loaned back to Falkirk for the remainder of the 2015/16 season. Falkirk manager Peter Housten said "He's an extremely talented player who hasn't quite had his break yet at Norwich and we feel that we can offer him the platform to get back to playing regular first-team football. He's a player that we of course know all about and I feel he can add to our squad. I'm sure it is a signing that will excite the fans." Houston's side were second in the Scottish Championship at the time of the loan.

On 5th May 2017, it was announced that Conor would be leaving the Canaries when his contract expired on 30th June 2017.

On 18th May 2017, it was announced that Conor would sign a two year contract with MK Dons on 1st July 2017. McGrandles played alongside Dons manager Robbie Neilson during his time with Falkirk. McGrandles made 27 appearances in his first season with the Dons but could not help them avoid relegation to League Two. The following year, MK Dons won promotion back to League One with Conor making 26 appearances, scoring once.

On 28th July 2020 MK Dons agreed to the mutual termination of his contract so that he could join Lincoln City. He had made 91 appearances for the Dons, scoring four goals.

At the beginning of January 2022 his form for Lincoln saw him linked with Scottish Premiership sides Aberdeen and Hibs.

On 27th May 2022 Conor announced that he would leave Lincoln in the summer when his contract expires as he wanted to explore options elsewhere. He had made 91 appearances for Lincoln captaining them on ocassion.

On 30th June 2022 he signed a three year contract with Charlton Athletic.

On 24th January 2023 he joined Cambridge on loan until the end of the season. He had played just 12 games for Charlton.

On 1st February 2024 he returned to Lincoln, joining them on loan until the end of the 2023/24 season. He had played just seven times for Charlton in 2023/24. McGrandles was described by Imps director Jez George as the League One side's "number one target" during the January transfer window."The fact that we waited until deadline day to secure this loan shows what we think of Conor," George added. He made three appearances for Lincoln.

He returned to Lincoln on 14th June 2024 signing a two year deal. As he had a year remaining on his Charlton contract, Lincoln paid an undisclosed fee.