The son of Hong Kong street car racer Jim Chong Shing, he started racing at an early age at the Zhuhai International Circuit.

He then scored a sensational pole position in the Macau Formula Renault race, beating drivers like Kamui Kobayashi, Scott Speed and Bruno Senna.

[12] After being released from jail, he entered the 2009 Formula BMW Pacific race at the 2009 Macau Grand Prix.

[16] At 2am on 23 June 2010, Jim crashed his friend's car into the back of a taxi on Cherry Street in Hong Kong.

[17] In 2011 and 2012, Jim joined 778 Autosport and drove one of their Kias in the China Touring Car Championship.

On 8 March 2013, KCMG announced that Jim will partner Alexandre Imperatori and Matt Howson to drive its no.47 Morgan-Nissan LMP2 entry at the 6 Hours of Silverstone, part of the 2013 FIA World Endurance Championship season.

[19] Chinese driver Ho Pin Tung will take his place in the team for the 2013 24 Hours of Le Mans.

[20] On 9 October 2019, KCMG announced that Jim Ka To will join KCMG regular WTCR competitors Tiago Monteiro and Attila Tassi for the Suzuka Round of the 2019 World Touring Car Cup in a wild card entry.