Costain is to merge with May Gurney.
Costain earned pre-tax profits of about £26 million on revenues o f£930 million in 2012. May Gurney had revenues of about £700 million in its latest financial year, earning profits of #19.3 million.
Costain's existing shareholders will take 53% of the enlarged company, with May Gurney investors taking 47%.
The deal still needs the backing of both sets of shareholders.
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Cloudy, humid with occasional rain, sometimes heavy and thundery.
Temperatures soared and the sun shone but there were also some torrential thunderstorms - a typically mixed Bank Holiday weekend.
Rather cloudy with occasional rain on Bank Holiday Monday in the Anglia region. Some brighter spells are likely in places.