Liam Highfield turned professional in 2010 after finishing second in the 2009/2010 International Open Series (PIOS) rankings, immediately demonstrating his potential by reaching the semi-finals of a Players Tour Championship event in Gloucester the same year. Throughout his career, Highfield has maintained a persistent presence on the World Snooker Tour, securing notable victories including beating Mark Selby at the English Open in 2016. That same year, he further solidified his standing by reaching the last 16 of the UK Championship. A significant career milestone came in 2017 when he reached the quarter-finals of a ranking event for the first time at the Indian Open, showcasing his consistent performance in reaching the later stages of professional tournaments.
His recent form includes reaching the quarter-finals of the Shoot Out in 2023 and competing in the English Open and International Championship in 2025. His career trajectory highlights a proven ability to perform under pressure, secure significant victories, and a dedication to maintaining a prominent position within professional snooker.