 He made his return debut on the same day against Dover Athletic in the Kent Senior Cup.and played against Boreham Wood in the league.Brendan decided to signed for Hampton and Richmond FC of the Ryman League in October 2015, going on to make 31 appearances, scoring 12 goals and 15 assists, helping Hampton to win the league and promotion to the conference South.After a season at Welling United, it was announced in May 2019, that Kiernan had joined Harrogate Town.