The contractor has enlisted Mike Donovan and Stephen Howard to the board as non-executive directors.
Non-executive director Chalmers Carr will retire from the board at the end of August. Balfour Beatty chairman Sir David John said: 'We welcome Mike Donovan and Stephen Howard to the Board. Their extensive experience of managing major plcs and of a range of international business and management environments will be of great value to us. 'We also offer our sincere thanks to Chalmers Carr, who has contributed much to the company during his time on the board.'