but could not prevent the club missing out on promotion to the Football League in a 3–1 loss to Grimsby Town. The following 2016-17 National League season saw him play again at Wembley Stadium with Forest Green for the play-off final which this time saw a 3–1 win over Tranmere Rovers earn the club a first ever promotion to the Football League. At the end of the 2017–18 season, Forest Green announced that Marsh-Brown would be one of the players that would not be offered a new contract at the club. Dover Athletic (loan) Marsh-Brown joined National League team Dover Athletic on loan from Forest Green in March 2018. He scored twice on his debut at home against leaders Macclesfield Town as Dover won 2–0. He was used mainly as a substitute for the rest of the season making just one more start the following week away at Barrow. He scored late on in the final day away at Woking as Dover won 2–1, relegating Woking but finishing outside of the play-offs on goal difference. Newport County On 22 June 2018 Marsh-Brown joined Newport County on a two-year deal. He made his debut for Newport on 4 August 2018 in a 3-0 League Two defeat against Mansfield Town. On 30 March 2019 he scored his first goal for Newport in the 3-1 League Two win against Yeovil Town. He was part of the team that reached the League Two playoff final at Wembley Stadium on 25 May 2019. Newport lost to Tranmere Rovers, 1-0 after a goal in the 119th minute. His contract at Newport was terminated by mutual consent on 23 December 2019. Memphis 901 FC On 17 January 2020, USL Championship side Memphis 901 FC announced his signature. Gloucester City On 22 December 2020, Marsh-Brown joined National League North side Gloucester City. Wrexham On 10 April 2021, Marsh-Brown joined Wrexham on a non-contract basis, one of three signings that day. He made three appearances for the Welsh club before the end of the season. He was not offered a contract, but was invited back to pre-season training in summer 2021. East Riffa Marsh-Brown signed for Bahraini Premier League club East Riffa in September 2021. In February 2022, Marsh-Brown joined Malaysia Premier League side Kuching City. International career Marsh-Brown has 4 caps for England U16 and 11 caps for England U17. He was called up to the England C