Swarbrick's first Premier League appointment came in December 2010 when he took charge of a goalless draw between Fulham and Sunderland.

[1][3] During his second Premier League appointment in February 2011 Swarbrick issued his first red card in England's top division, to DJ Campbell of Blackpool as they lost 4–0 away to Wolverhampton Wanderers.

[4] It was announced on 20 June 2011 that Swarbrick had been promoted to the Select Group of Referees who officiate all Premier League fixtures.

He joined the Select Group for the 2011/12 season alongside fellow newly promoted official Jonathan Moss.

[5] After a match between Sheffield Wednesday and Aston Villa on 24 February 2018, Swarbrick attracted criticism for his performance.