Costain Group (COST) Share Price, News & Analysis

Company Overview

Costain improves people's lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK. By bringing together our unique mix of construction, consultancy, engineering and digital services, we work strategically with our customers and suppliers to meet critical national needs. Together, our people transform the performance of the infrastructure that connects, protects and powers people's lives. Our 3,500 people manage a workforce of around 14,500 people and collaborate with customers, partners, communities and wider industry to make infrastructure fit for a better future. Our ambition is to become a net zero business by 2045, while enhancing biodiversity and natural capital, and we have plans in place to deliver this. We are committed to procure responsibly and to be an inclusive and accessible business for all, enabling us to be our best while focusing on the outcomes that we deliver for people and planet.

Key Stats

• Today's Range: 247.50 to 255.20
• 50-Day Range: 208 to 254.50
• 52-Week Range: 125.60 to 255.20
• Volume: 2.24 million shs
• Average Volume: 2.31 million shs
• Market Capitalization: £669.72 million
• P/E Ratio: 18.18
• Dividend Yield: 2.08%
• Price Target: GBX 227.50
• Consensus Rating: Buy

Costain Group Stock Analysis - MarketRank™

Costain Group scored higher than 41% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

Analyst's Opinion

• Score: 1.7 / 5
• Analyst Rating: Buy

Consensus Rating

Costain Group has received a consensus rating of Buy. The company's average rating score is 3.00, and is based on no strong buy ratings, 2 buy ratings, no hold ratings, and no sell ratings.

Downside Risk

Costain Group has a consensus price target of GBX 227.50, representing about 10.6% downside from its current price of GBX 254.50.

Amount of Analyst Coverage

Costain Group has only been the subject of 1 research reports in the past 90 days.

Earnings and Valuation

• Score: 1.3 / 5
• Proj. Earnings Growth: N/A

Price to Earnings Ratio vs. the Market

The P/E ratio of Costain Group is 18.18, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 44.66.

Price to Earnings Ratio vs. Sector

The P/E ratio of Costain Group is 18.18, which means that it is trading at a less expensive P/E ratio than the Industrials sector average P/E ratio of about 25.52.

Price to Earnings Growth Ratio

Costain Group has a PEG Ratio of 1.63. PEG Ratios above 1 indicate that a company could be overvalued.

Price to Book Value per Share Ratio

Costain Group has a P/B Ratio of 3.02. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.

Short Interest

• Score: N/A
• Short Interest Level: N/A

Short Interest

There is no current short interest data available for COST.

Dividend

• Score: 1.7 / 5
• Dividend Strength: Weak

Dividend Yield

Costain Group pays a meaningful dividend of 2.08%, higher than the bottom 25% of all stocks that pay dividends.

Dividend Growth

Costain Group does not have a long track record of dividend growth.

Dividend Coverage

The dividend payout ratio of Costain Group is 30.00%. This payout ratio is at a healthy, sustainable level, below 75%.

News and Social Media

• Score: 2.7 / 5
• News Sentiment: 0.38

News Sentiment

Costain Group has a news sentiment score of 0.38. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.61 average news sentiment score of Industrials companies.

News Coverage This Week

MarketBeat has tracked 3 news articles for Costain Group this week, compared to 1 article on an average week.

Search Interest

87 people have searched for COST on MarketBeat in the last 30 days. This is an increase of 18% compared to the previous 30 days.

Company Ownership

• Score: 2.6 / 5
• Insider Trading: Selling Shares

Insider Buying vs. Insider Selling

In the past three months, Costain Group insiders have sold 21,358.46% more of their company's stock than they have bought. Specifically, they have bought £3,984.12 in company stock and sold £854,930.90 in company stock.

Percentage Held by Insiders

49.35% of the stock of Costain Group is held by insiders. A high percentage of insider ownership can be a sign of company health.

Percentage Held by Institutions

36.41% of the stock of Costain Group is held by institutions.

Company Calendar

• Last Earnings: 8/13/2026
• Today: 9/19/2026
• CMD 2026: 11/19/2026

Industry, Sector and Symbol

• Stock Exchange: LON
• Sector: Industrials
• Industry: Construction & Engineering
• Sub-Industry: Construction & Engineering
• Current Symbol: LON:COST
• CIK: N/A
• Web: costain.com
• Phone: +44-1628-842444
• Fax: N/A
• Employees: 3,270
• Year Founded: N/A

Price Target and Rating

• Average Price Target for Costain Group: GBX 227.50
• High Price Target: GBX 275
• Low Price Target: GBX 180
• Potential Upside/Downside: -10.6%
• Consensus Rating: Buy
• Rating Score (0-4): 3.00
• Research Coverage: 2 Analysts

Profitability

• EPS (Trailing Twelve Months): GBX 14
• Trailing P/E Ratio: 18.18
• Forward P/E Ratio: 18.50
• P/E Growth: 1.63
• Net Income: £29.90 million
• Net Margins: 3.57%
• Pretax Margin: N/A
• Return on Equity: 14.73%
• Return on Assets: 5.63%

Debt

• Debt-to-Equity Ratio: 12.61
• Current Ratio: 1.40
• Quick Ratio: 1.32

Sales & Book Value

• Annual Sales: £1.06 billion
• Price / Sales: 0.63
• Cash Flow: GBX 291.99 per share
• Price / Cash Flow: 0.87
• Book Value: GBX 84.30 per share
• Price / Book: 3.02

Miscellaneous

• Outstanding Shares: 263,150,000
• Free Float: N/A
• Market Cap: £669.72 million
• Optionable: Not Optionable
• Beta: 0.89