Costain GroupCTNGY 59 FCF Margin % is 11.74% as of Dec. 2025, which is 360% above its 10-year median of 2.55. GuruFocus rates CTNGY with a GF Score™ of 59/100 and a GF Value™ of $1.24. The stock has 5 warning signs investors should review. Among 1,770 Construction companies, Costain Group ranks better than 58.93% on this metric.
The historical rank and industry rank for Costain Group's FCF Margin % or its related term are showing as below:
CTNGY'
s FCF Margin % Range Over the Past 10 Years
Min: -5.22 Med: 2.55 Max: 5.23
Current: 4.59
During the past 13 years, the highest FCF Margin % of Costain Group was 5.23%. The lowest was -5.22%. And the median was 2.55%.
CTNGY's FCF Margin % is ranked better than 58.93% of 1770
companies
in the Construction industry
Industry Median: 2.61
vs CTNGY: 4.59
Costain Group FCF Margin % Related Terms
Costain Group FCF Margin % Historical Data
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The historical data trend for Costain Group's FCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Engineering & Construction subindustry, Costain Group's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Costain Group FCF Margin % vs Construction Industry
For the Construction industry and Industrials sector, Costain Group's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Costain Group's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Costain Group (CTNGY) has a FCF Margin % of 11.74% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Costain Group and its competitors. This is 360% above median its historical median of 2.55. According to the industry distribution chart, Costain Group ranks #727 out of 1770 companies in the Construction industry, placing it in the top 41.1%.
Is Costain Group's FCF Margin % too high?
Costain Group's current FCF Margin % of 11.74% is 360% above median its 10-year median of 2.55. The Construction industry median FCF Margin % is 2.61. Costain Group's value of 11.74% is 349.8% above this industry median. Based on the distribution chart, Costain Group ranks #727 out of 1770 companies in the Construction industry, which is above the industry midpoint. Overall, Costain Group has a GF Score™ of 59/100, reflecting its overall financial health beyond just this single metric.
How does Costain Group's FCF Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, Costain Group ranks #727 out of 1770 companies for FCF Margin %. This puts Costain Group in the upper half of its industry. The industry median FCF Margin % is 2.61. Costain Group's value of 11.74% is 349.8% above this benchmark. While the company's 10-year median is 2.55 vs. the industry median of 2.61, Costain Group has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Construction company?
The median FCF Margin % among Construction companies is 2.61, based on 1,770 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Costain Group's current FCF Margin % of 11.74% is 349.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Costain Group and its competitors. For the Construction industry, the median FCF Margin % is 2.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Costain Group's current FCF Margin % is 11.74%, which is 360% above median its own 10-year median of 2.55. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costain Group stock overvalued right now?
Costain Group (CTNGY) has a current FCF Margin % of 11.74%. The stock's GF Value™ is $1.24, compared to a current price of $3.30 — trading 166.1% above its estimated fair value. The current FCF Margin % is 11.74%, which is 360% above median its 10-year median of 2.55 and 349.8% above the Construction industry median of 2.61. Costain Group's overall GF Score™ is 59/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Costain Group (CTNGY), the current FCF Margin % is 11.74% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Costain Group (CTNGY) Overvalued in 2026?
Based on GuruFocus' analysis, Costain Group stock appears to be overvalued.
The current stock price of $3.30 is trading 166.1% above its estimated GF Value™ of $1.24.
Key valuation signals for CTNGY:
FCF Margin %: 11.74% (360% above median its 10-year median of 2.55)
GF Value™: $1.24 vs. price of $3.30 (166.1% above fair value)
Industry Position: 349.8% above the Construction median (#727 of 1770)
No single metric tells the full story. See the CTNGY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Costain Group PLC offers solutions and services. It provides engineering and technology solutions and advisory and development, design, management, project delivery, technology integration and asset optimization and support services to highways, nuclear, oil and gas, power, water sectors, rail. The company has two segments Transportation and Natural resources. The transportation segment covers highways, rail, and nuclear markets and the Natural resources segment comprises of water, power and oil and gas markets. Majority of revenue is from Transportation Segment.
59GF Score
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