Costain’s 1H26 results provided strong strategic validation, with the shares up 4.6% on the day after an already strong run. Revenue rose 3.4% to £543.1m, adjusted PBT 3.2% to £19.2m and adjusted EPS 3.6% to 5.7p, with adjusted operating margin holding YoY at 3.2%. Revenue growth and margin stability reflect the benefits of the contract quality in the order book and increasingly diversified end-markets, particularly Water, Defence, Nuclear and Aviation. The £7.0bn forward work position is up 67% ....
