Costain GroupCTNGY 59 Gross Margin % is 11.90% as of Dec. 2025, which is 109% above its 10-year median of 5.69. GuruFocus rates CTNGY with a GF Score™ of 59/100 and a GF Value™ of $1.23. The stock has 5 warning signs investors should review. Among 1,719 Construction companies, Costain Group ranks worse than 78.13% on this metric.
The historical rank and industry rank for Costain Group's Gross Margin % or its related term are showing as below:
CTNGY'
s Gross Margin % Range Over the Past 10 Years
Min: -4.97 Med: 5.69 Max: 10.88
Current: 10.88
During the past 13 years, the highestGross Margin % of Costain Group was 10.88%. The lowest was -4.97%. And the median was 5.69%.
CTNGY's Gross Margin % is ranked worse than 78.13% of 1719
companies
in the Construction industry
Industry Median: 20.71
vs CTNGY: 10.88
Costain Group had a gross margin of 11.90% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Costain Group was 0.00% per year.
Costain Group (OTCPK:CTNGY) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Costain Group had a gross margin of 11.90% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Costain Group Gross Margin % Related Terms
Costain Group Gross Margin % Historical Data
* Premium members only.
The historical data trend for Costain Group's Gross 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 Gross Margin %, along with its competitors' market caps and Gross 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 Gross Margin % vs Construction Industry
For the Construction industry and Industrials sector, Costain Group's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Costain Group's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Costain Group (CTNGY) has a Gross Margin % of 11.90% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Costain Group and its competitors. This is 109% above median its historical median of 5.69. According to the industry distribution chart, Costain Group ranks #1343 out of 1719 companies in the Construction industry, placing it in the top 78.1%.
Is Costain Group's Gross Margin % too high?
Costain Group's current Gross Margin % of 11.90% is 109% above median its 10-year median of 5.69. The Construction industry median Gross Margin % is 20.71. Costain Group's value of 11.90% is 42.5% below this industry median. Based on the distribution chart, Costain Group ranks #1343 out of 1719 companies in the Construction industry, which is in the bottom quartile relative to peers. 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 Gross Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, Costain Group ranks #1343 out of 1719 companies for Gross Margin %. This places Costain Group in the lower half of its industry. The industry median Gross Margin % is 20.71. Costain Group's value of 11.90% is 42.5% below this benchmark. While the company's 10-year median is 5.69 vs. the industry median of 20.71, Costain Group has consistently been below 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 Gross Margin % for a Construction company?
The median Gross Margin % among Construction companies is 20.71, based on 1,719 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Costain Group's current Gross Margin % of 11.90% is 42.5% below 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Costain Group and its competitors. For the Construction industry, the median Gross Margin % is 20.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Costain Group's current Gross Margin % is 11.90%, which is 109% above median its own 10-year median of 5.69. 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 Gross Margin % of 11.90%. The stock's GF Value™ is $1.23, compared to a current price of $3.30 — trading 168.3% above its estimated fair value. The current Gross Margin % is 11.90%, which is 109% above median its 10-year median of 5.69 and 42.5% below the Construction industry median of 20.71. 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 Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Costain Group (CTNGY), the current Gross Margin % is 11.90% 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 168.3% above its estimated GF Value™ of $1.23.
Key valuation signals for CTNGY:
Gross Margin %: 11.90% (109% above median its 10-year median of 5.69)
GF Value™: $1.23 vs. price of $3.30 (168.3% above fair value)
Industry Position: 42.5% below the Construction median (#1343 of 1719)
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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