He played domestically for Otago and Auckland and in Australia for New South Wales and Sydney Sixers.
[6] After his studies he returned to Sydney to work as a chartered accountant and play cricket for University.
[7] Bowling for New South Wales in the Sheffield Shield in November 2016, Somerville took 4 for 61 and 5 for 65 in a three-wicket victory over Western Australia and was named player of the match.
[8] He was one of the leading bowlers in the Sheffield Shield that season, with 35 wickets at an average of 23.14, including figures of 8 for 136 in the first innings against Queensland.
[9] He made his List A debut for New South Wales in the 2017–18 JLT One-Day Cup on 15 October 2017.