N'Guessan made his competitive debut for Leicester on 8 August, coming on as a half time substitute for Andy King against Swansea City, scoring the winning goal as Leicester won 2–1.[10] He scored his second goal just four days later in a 2–0 League Cup win over Macclesfield Town on 12 August, making his full debut for the club.[11] On 6 February 2010, N'Guessan helped Leicester to their first away victory over Blackpool in 73 years by scoring in a 2–1 win.[12]
Southampton (loan)
On 26 January 2011, N'Guessan signed a six-month loan deal with Southampton who had the first option to buy N'Guessan at the end off the 2010–11 season. He played 15 minutes in their 2–1 loss to Manchester United in the FA Cup 4th Round. He started the away game at Exeter City, setting up Rickie Lambert's first goal in a 2–1 victory.
Millwall
On 8 August N'Guessan joined Millwall on a six-month loan.[15] He scored on his debut at Plymouth in the League Cup on 9 August 2011. On 31 August 2011, he signed for Millwall permanently on a three-year deal. N'Guessan signed a 3-year contract with Millwall stating "The manager has shown faith in me and I think I can do well here. I hope to do that and help Millwall up the table."[16]
Charlton Athletic (loan)
On 19 March 2012, he joined Charlton on loan until the end of the season. N'Guessan was named in the starting line up for Charlton v Yeovil on 20 March 2012 and scored 7 minutes into his debut
Swindon Town
N'Guessan joined Swindon Town on a free transfer on 2 September 2013 following his release from Millwall.
