Trevor Mawby has joined construction firm McNicholas Group as commercial director.
Regional contractor Bluestone has appointed David Swan as business development director for its southern division.
Beechcroft Developments have appointment Mark Griffiths (left) land manager. Greg McGovern has joined the firm as contracts manager and Angelo Hellawell joins as site manager.
Steve Mylward has joined Arcadia Ventures as buyer and estimator.
Northampton-based housebuilder Persimmon Homes Midlands has appointed Sue Blackman deputy managing director.
Thermal insulation manufacturer Celotex has appointed Digby Harper managing director.
Adrian Barden has been promoted to managing director by materials distributor Wolseley Centers.
Materials producer Fosroc has appointed Alex McDonald regional sales manager responsible for the South-east. Andy Boileau has been promoted to regional sales manager of the northern team.
Heating manufacturer Nu-Way has appointed Christian Feldemann engineering and development manager.
Paul Jeffrey (left) has been promoted to associate director of engineering and environmental consultant White Young Green. He will based in the London office.
Property and construction consultant MDA has made Robert McGuinn associate director. He will be based at the company's Leicester office.
Simon Davies has joined consulting engineer JMP Consultants as an associate. He will be based in central London.