Miller has been chief executive of the group since 1994
Long-standing chief executive of the Miller Group, Keith Miller, will step down from the role at the end of next month.
The news was disclosed in a statement issued by the board of Miller Group.
Keith Miller joined the firm in 1975 and has been chief executive since 1994.
A spokesperson for Miller Group confirmed Keith Miller would not be replaced in the role, with his responsibilities passing to the existing chief executives of the company’s three divisions - Miller Homes, Miller Developments and Miller Mining.
The spokesperson said: “His role will not be replaced as each of the operating units has its own chief executive and strong management teams in place.”
Keith Miller said: “We have strong management teams in place in Miller Homes, Miller Developments and Miller Mining, each of which is led by its own chief executive.
“I am looking forward to being able to report further impressive performance from Miller Homes and our other businesses when we announce our final results for 2014 in a few weeks’ time.
“The group has experienced tremendous growth over the past three years and the time is right to pass the leadership of our businesses to the respective management teams.”