A source close to Jarvis said that the group had contingency plans in place in case Norris won the mayoral election, which takes place next year.
The source said: "If he is elected he will have to resign [from Jarvis]. If not he will carry on." The source denied Moayedi had been forced out by pressure from shareholders.
The decision to replace Moayedi follows a turbulent month for the group, which pulled out of rail maintenance and came under fire from a BBC radio programme for its performance on a PFI schools contract in the Wirral last week.