Kier has won water infrastructure work worth up to £25M.
The contractor was named as delivery partner for utility firm Sembcorp Bournemouth Water’s maintenance programme.
The deal is worth £3.5m per year, with the contract lasting an initial two years before a possible five-year extension.
Kier’s work will include repair and maintenance, mains laying and meter installation.
SBW managing director Roger Harrington said: “Kier’s experience and reputation in the industry are considerable, but more importantly, its approach to customer service is aligned to ours, which will ensure service delivery excellence for our customers.”