Production company Banijay UK said the 60-year-old was "committed to fully co-operating throughout the process".
Broadcaster Kirsty Wark, who was a Celebrity MasterChef contestant in 2011, said he told "sexualised" jokes during filming.
NewsNight's Kirsty Wark has made allegations against Gregg Wallace, who has stepped away from MasterChef after the BBC ...
Gregg Wallace steps away from BBC's MasterChef as Kirsty Wark accuses him of telling 'sexualised jokes' - Wallace, 60, is ...
GREGG Wallace allegedly made sexual remarks to 13 colleagues including BBC presenter Kirsty Wark – as the star today stepped ...
BBC Masterchef host Gregg Wallace has thanked fans for “showing support” after he quit the show following allegations he made ...
Kirsty Wark is among 13 people who have accused MasterChef presenter Gregg Wallace of making inappropriate sexual comments.
Gregg Wallace is to step away from presenting MasterChef while complaints made by individuals about historical allegations of ...
The Daily Mirror also reports that Wallace was "probed over sexual comments" and 13 complaints were made over his "jokes', ...
Gregg Wallace, presenter of MasterChef since 2005, is to step away from the role as a result of historical misconduct ...
Respected Scottish broadcaster Kirsty Wark has been among those to lodge complaints over the behaviour of Masterchef judge ...