On 14 November 2018, Ronan joined Isthmian League North team Mildenhall Town on loan.
[3] Later that season, he also spent time with Leyton Athletic in the Essex Senior League, playing 5 games.
On 8 July 2020, he signed with Gibraltar Premier League side Lincoln Red Imps.
After his contract with Lincoln Red Imps ended, Ronan returned to England and joined National League North side King's Lynn Town.
[3] Ronan made his international debut for Gibraltar on 5 September 2020 in the UEFA Nations League against San Marino.