Richardson has been the goalkeeping coach at Doncaster Rovers, Nottingham Forest, Cheltenham Town, Peterborough United and Wycombe Wanderers; he is currently the goalkeeping coach at Hull City.
Doncaster Rovers
Richardson returned to Doncaster Rovers as goalkeeping coach in the summer of 2005. On 11 January 2008 he departed Rovers to succeed David Watson as the goalkeeping coach at Nottingham Forest.
Nottingham Forest
Rejoining Forest, where he had coached the academy goalkeepers in the 2004–2005 season, he was also registered as a player being allocated the squad number 38. He would be an unused substitute goalkeeper on occasions for Forest, wearing the squad number 39 in the 2008–2009 season, the last time being on 3 January 2009 when Forest beatManchester City 3–0 in the FA Cup 3rd Round. He departed the club following the appointment of Billy Davies as manager, rejecting an alternative role with the club after Davies appointed Pete Williams as goalkeeping coach.
Cheltenham Town
He joined Cheltenham Town as goalkeeping coach at the start of the 2009–2010 season whilst also acting as back-up goalkeeper. He was sent off as an unused substitute in a match against Lincoln City on 14 November 2009. He parted company with the club on 21 January 2010 following the new manager Mark Yates deciding to operate without a goalkeeping coach for the remainder of the 2009–10 season.
Peterborough United
On 3 February 2010 he signed a two and a half-year contract to become player-goalkeeping coach at Peterborough United . He was given the number 37 shirt and appeared as an unused substitute for the game against Blackpool on 17 April 2010 due to the absence of number 1 Joe Lewis and the number 30 shirt for the match against Huddersfield in the play-off final, where again he was on the bench due to the absence of Lewis. Richardson left this role by mutual consent on 21 January 2013.
Wycombe Wanderers
On 30 January 2014 it was reported that Richardson had signed as the goalkeeping coach for Wycombe Wanderers; he also registered as a non-contract player with the squad number 44. During the 2014–15 season, having changed his squad number to 13, he was named as a substitute on thirty-five occasions for Wycombe but did not make a first-team appearance. At the age of 46, he played a competitive gamefor the first time in over 8 years on 30 January 2016, after an injury to first-choice goalkeeper Alex Lynch during a match against Plymouth Argyle, and kept a clean sheet in a 1–0 victory – the first time Plymouth had failed to score at home that season.
Hull City
On 26 January 2018, Richardson was appointed goalkeeping coach for Hull City.
