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An update from Costain ( (GB:COST) ) is now available.
Costain Group PLC announced that Tony Quinlan, a Non-Executive Director and Chair of the Audit and Risk Committee, has been appointed as Non-Executive Chair of NextEnergy Solar Fund Limited, effective December 3, 2025. This appointment highlights Costain’s strategic alignment with sustainable energy initiatives and may enhance its influence in the renewable energy sector.
The most recent analyst rating on (GB:COST) stock is a Buy with a £170.00 price target. To see the full list of analyst forecasts on Costain stock, see the GB:COST Stock Forecast page.
Spark’s Take on GB:COST Stock
According to Spark, TipRanks’ AI Analyst, GB:COST is a Outperform.
Costain’s overall stock score is driven by its stable financial performance and positive technical indicators. The company’s strong balance sheet and effective debt management are significant strengths. However, modest margins and declining cash flow generation are areas for improvement. The stock’s valuation is fair, with potential for moderate returns.
To see Spark’s full report on GB:COST stock, click here.
More about Costain
Costain Group PLC operates in the engineering and construction industry, providing infrastructure solutions across the UK. The company focuses on sectors such as transportation, energy, and water, offering services that include project management, consultancy, and technology integration.
Average Trading Volume: 1,186,884
Technical Sentiment Signal: Buy
Current Market Cap: £388.9M
See more data about COST stock on TipRanks’ Stock Analysis page.

