Costain Group/£COST

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About Costain Group

Ticker
£COST
Primary listing
LSE
Employees
3,266

Costain Group Metrics

BasicAdvanced
£692M
18.73
£0.14
0.88
£0.04
1.60%

What the Analysts think about Costain Group

Analyst ratings (Buy, Hold, Sell) for Costain Group stock.
Analyst projections of the future price of Costain Group stock.

Bulls say / Bears say

Costain delivered first-half revenue growth of 3.4% and adjusted operating profit growth of 3.0%, while keeping its full-year guidance unchanged. Net cash was £164.4m and the interim dividend doubled to 2p, giving investors evidence of financial resilience and rising shareholder returns. (Costain, Construction News)
The £7bn forward work position covers 91% of consensus revenue for both 2026 and 2027. It gives Costain unusually strong medium-term visibility, with its order book and preferred-bidder book each standing at about £3.5bn. (Costain, Financial Conduct Authority)
Costain is positioned in expanding water, energy and defence markets, with Natural Resources revenue up 13.3% in the first half. Recent wins and extensions, including a £150m Thames Water wastewater package and a three-year United Utilities extension, support the expected AMP8-led acceleration. (Construction News, Costain)
Profitability has not yet shown the promised step-up: the first-half adjusted operating margin stayed at 3.2%, well below management’s medium-term ambition of more than 5%. The investment case therefore depends on converting the second-half activity increase into sustained margin expansion. (Costain, Building)
The £7bn forward-work figure is not all secured revenue: only half was the order book, while the other £3.5bn was preferred-bidder work that still needs further work orders. Investors must therefore allow for conversion and execution risk rather than treating the full figure as contracted backlog. (Financial Conduct Authority, IN Site)
The near-term earnings profile is heavily dependent on a second-half ramp-up in AMP8 water, Heathrow and road work. Transportation revenue fell 3.2% in the first half, so delays to those projects could leave Costain with weaker growth and cash generation than currently expected. (Costain, MarketScreener)
Data summarised monthly by Lightyear AI. Last updated on 16 Sept 2026.

Costain Group Financial Performance

Revenues and expenses
Income statement
QuarterlyAnnual
Q3 24
QoQ growth
Revenue
Net income
Profit margin

Costain Group Earnings Performance

Company profitability
Earnings per share
QuarterlyAnnual
Q4 23
Q1 24
Q2 24
Q3 24
Q4 24
Actual
Expected
Surprise

Funds containing Costain Group

Funds
Fund name
Fund size
£COST weighting
iShares FTSE 250£MIDD
£661M0.22%
Vanguard FTSE 250£VMID
£1.6B0.18%
Latest price is delayed by 15 minutes. Data displayed above is indicative only and its accuracy or completeness is not guaranteed. Actual execution price may vary. Past performance is not indicative of future results. Your return may be affected by currency fluctuations and applicable fees and charges. Capital at risk.
Market data provided by London Stock Exchange, through Infront.