for Paul Cook's Accrington Stanley in May 2012 on a one-year deal. He made twenty appearances for Accrington in the 2012–13 season, his contract was terminated by mutual consent on 10 January 2013 after he fell out of new manager Leam Richardson's first team plans. Free agent He joined Torquay United on trial in July 2013, but failed to earn a contract. He also had trials at Dundee United and Partick Thistle, but was not offered a contract with either club. While on holiday in Vietnam, he briefly played for Vietnamese clubs Ha Noi FC and TDCS Dong Thap in the V.League 2. Southport Nsiala signed for Southport in January 2014, in a move that reunited him with John Coleman, his former manager at Accrington. He scored his first goal for the Sandgrounders on 15 March, in a 4–1 win over former club Macclesfield Town at Haig Avenue. He ended the 2013–14 season with 19 appearances to his name, helping Southport to finish two points above the relegation zone. Grimsby Town On 12 June 2014, Nsiala signed for Conference Premier side Grimsby Town on a one-year contract. He made his debut in the 0–0 stalemate to Bristol Rovers on the opening day of the season. He missed just six league games of the 2014–15 season as Paul Hurst's Mariners came 3rd in the Conference, and secured a play-off spot. Following a hamstring injury to Josh Gowling, Nsiala reverted to his favored centre-back position in the 2015 Conference Premier play-off Final against Bristol Rovers at Wembley on 17 May 2015; following a 1–1 draw after extra time, Grimsby lost 5–3 in a penalty shoot-out. On 3 June 2015, Nsiala agreed a new one-year deal with the club. Nsiala's first goal for the club came on 11 August 2015 in the second game of the 2015–16 season, scoring the 4th goal in 4–1 thrashing of Barrow, a scramble in the box and Nsiala dived into a challenge to flick it home. Nsiala played in Grimsby's 3–1 victory over Forest Green Rovers in the 2016 National League play-off Final at Wembley, seeing Grimsby promoted to League Two after a six-year absence from the Football League. Hartlepool United Nsiala joined Hartlepool United in June 2016 on a two-year deal, having turned down a new contract at Grimsby Town. Nsiala scored his first goal for the club in a 2–1 loss to Notts County on