On 1 June, Motherwell announced that Dean Cornelius and David Devine had both signed new two-contract, keeping them at Motherwell until the summer of 2023.[1]
On 7 June, Motherwell announced that Scott Fox had signed a new one-year contract with the club.[2]
On 28 June, Motherwell signed professional contracts with 12 graduates from their youth academy.[3]
On 21 June, Motherwell announced their second signing of the summer, Justin Amaluzor on a one-year contract from Maidstone United.[5] The following day, Motherwell announced the signing of fellow striker Kaiyne Woolery on a three-year contract from Tranmere Rovers.[6]
On 5 July, Motherwell announced the return of Liam Kelly on a permanent transfer from Queens Park Rangers, with Kelly signing a three-year contract.[8] Three days later, 8 July, Motherwell announced that Trevor Carson had left the club to sign for Dundee United.[9]
On 13 July, Motherwell announced the signing of Darragh O'Connor from Leicester City Under-23s on a one-year contract.[10] Three days later, Motherwell announced the signing of Mich'el Parker on a contract until January 2022.[11]
On 24 July, Motherwell announced the signing of Callum Slattery from Southampton on a three-year contract for an undisclosed fee.[12]
On 29 July, Motherwell announced the signing of Juhani Ojala from Vejle on a two-year contract.[13]
August
On 26 August, Motherwell announced the signing of Sean Goss to a two-year contract after he'd left Shrewsbury Town earlier in the summer.[14]
On 30 September, Corey O’Donnell joined Albion Rovers until January 2022.[18] Later on the same day, David Devine joined East Fife on loan for the remainder of the season.[19]
On 1 December, Motherwell announced the signing of Ross Tierney on a three-and-a-half-year deal, for an undisclosed fee from Bohemians. Tierney joined the club when the transfer window opened on 1 January 2022.[22]
January
On 2 January, Motherwell announced the departure of Mich'el Parker, after his short-term contract had expired.[23]
On 5 January, Barry Maguire signed a new contract with Motherwell, keeping him at the club until the summer of 2024.[24]
On 18 February, Bevis Mugabi signed a new contract with Motherwell, until the summer of 2024.[33]
On 23 February, Scott Fox signed a new contract with Motherwell, until the summer of 2023.[34] The following day, 24 February, Nathan McGinley also extended his contract with Motherwell, until the summer of 2024.[35]