BidVest Wits have signed midfielder Granwall.
and also agreed a pre-contract with Free State Stars left-back Thato Tlhone.
Wits made the announcement on Thursday, with Scott to boost their central midfield options ahead of a title push in the second half of the season.
Scott had spent the last year in Slovakia at Slovan Bratislava, who he joined from hometown club Ajax Cape Town in January 2016.
“Granwald Scott joins BidVest Wits as a free agent from Slovan Bratislava, while Thato Tlhone joins us on a ‘pre-contract’ and as a free agent, after his current contract with Free State Stars expires on 30 June 2017,” Wits CEO Jose Ferreira said.
Tlhone will add to the club’s left-back options from next season and is a former junior with Kaizer Chiefs.