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: 187.60 to 193
• 50-Day Range: 170 to 202.50
• 52-Week Range: 117 to 206
• Volume: 297,746 shs
• Average Volume: 2.28 million shs
• Market Capitalization: £509.47 million
• P/E Ratio: 13.99
• Dividend Yield: 2.25%
• Price Target: GBX 190
• Consensus Rating: Moderate Buy

Costain Group Stock Analysis - MarketRank™

Costain Group scored higher than 44% 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: 1.5 / 5
• Analyst Rating: Moderate Buy

Consensus Rating

Costain Group has received a consensus rating of Moderate Buy. The company's average rating score is 2.67, and is based on no strong buy ratings, 2 buy ratings, 1 hold rating, and no sell ratings.

Upside/Downside

The consensus price target for Costain Group is close to its current price, suggesting limited near-term upside or downside.

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 13.87, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 38.28.

Price to Earnings Ratio vs. Sector

The P/E ratio of Costain Group is 13.87, which means that it is trading at a less expensive P/E ratio than the Industrials sector average P/E ratio of about 25.20.

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 2.25. P/B Ratios below 3 indicates that a company is reasonably valued 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 2.25%, 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 21.90%. This payout ratio is at a healthy, sustainable level, below 75%.

News and Social Media

• Score: 3.9 / 5
• News Sentiment: 1.27

News Sentiment

Costain Group has a news sentiment score of 1.27. 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 higher news sentiment than the 0.57 average news sentiment score of Industrials companies.

News Coverage This Week

MarketBeat has tracked 6 news articles for Costain Group this week, compared to 1 article on an average week.

Search Interest

148 people have searched for COST on MarketBeat in the last 30 days. This is an increase of 51% compared to the previous 30 days.

MarketBeat Follows

Only 1 people have added Costain Group to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% 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 6,599.79% more of their company's stock than they have bought. Specifically, they have bought £7,462.51 in company stock and sold £499,972.21 in company stock.

Percentage Held by Insiders

47.97% 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.

COST Stock Analysis - Frequently Asked Questions

How have COST shares performed this year?

Costain Group's stock was trading at GBX 159.20 at the beginning of 2026. Since then, COST stock has increased by 19.3% and is now trading at GBX 190.

How were Costain Group's earnings last quarter?

Costain Group PLC (LON:COST) issued its earnings results on Tuesday, March, 10th. The company reported $14.50 EPS for the quarter. Costain Group had a net margin of 3.57% and a trailing twelve-month return on equity of 14.87%.
Read the conference call transcript.

How do I buy shares of Costain Group?

Shares of COST stock and other U.K. stocks can be purchased through online brokerage accounts that support trading on the London Stock Exchange (LSX). Some U.K. companies can be purchased through major U.S. brokerages in the form of American Depository Receipts (ADRs), which are placeholder equities held in a trust by a bank that represent shares of a foreign stock.

What other stocks do shareholders of Costain Group own?

Based on aggregate information from My MarketBeat watchlists, some other companies that Costain Group investors own include Fluor (FLR), Jacobs Engineering Group (JEC), KBR (KBR), NVIDIA (NVDA), Advanced Micro Devices (AMD), Meta Platforms (META) and John Wood Group (WG).

Company Calendar

• Last Earnings: 3/10/2026
• Today: 5/05/2026

Industry, Sector and Symbol

• Stock Exchange: LON
• Sector: Industrials
• Industry: Engineering & Construction
• Sub-Industry: Retail
• 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 190
• High Price Target: GBX 240
• Low Price Target: GBX 150
• Potential Upside/Downside: +0.2%
• Consensus Rating: Moderate Buy
• Rating Score (0-4): 2.67
• Research Coverage: 3 Analysts

Profitability

• EPS (Trailing Twelve Months): GBX 13.70
• Trailing P/E Ratio: 13.84
• Forward P/E Ratio: 13.78
• P/E Growth: 1.63
• Net Income: £29.90 million
• Net Margins: 3.57%
• Pretax Margin: N/A
• Return on Equity: 14.87%
• Return on Assets: 5.63%

Debt

• Debt-to-Equity Ratio: 9.68
• Current Ratio: 1.44
• Quick Ratio: 1.32

Sales & Book Value

• Annual Sales: £1.05 billion
• Price / Sales: 0.48
• Cash Flow: GBX 217.49 per share
• Price / Cash Flow: 0.87
• Book Value: GBX 84.30 per share
• Price / Book: 2.25

Miscellaneous

• Outstanding Shares: 265,901,000
• Free Float: N/A
• Market Cap: £504.04 million
• Optionable: Not Optionable
• Beta: 0.91