On the September 11, 2005 episode of Sunday Night Heat, McGuinness would wrestle Danny Basham, losing after Basham hit an inverted DDT.
On December 15, 2016, WWE announced that McGuinness had signed with the company as a commentator. McGuinness made his commentary debut at the WWE United Kingdom Championship Tournament on 14 and 15 January 2017, alongside Michael Cole. McGuinness became a colour commentator for NXT on the February 8 episode, establishing himself as a "heel sympathizer". On September 4, McGuinness joined the 205 Live and Main Event commentary teams. On May 28, 2020, it was reported McGuinness had been put on hiatus due to the pandemic. He returned on the September 17 episode of NXT UK alongside Andy Shepherd, and the following night on 205 Live alongside Vic Joseph.
McGuinness was released by WWE on October 7, 2022.