Alumasc GroupLSE:ALU 79 Net Margin % is 6.12% as of Dec. 2025, which is 8% below its 10-year median of 6.64. GuruFocus rates LSE:ALU with a GF Score™ of 79/100 and a GF Value™ of £2.39 (Fairly Valued). The stock has 1 warning sign investors should review. Among 501 Utilities - Regulated companies, Alumasc Group ranks worse than 55.49% on this metric.
Net margin is calculated as Net Income divided by its Revenue. Alumasc Group's Net Income for the
six
months ended in Dec. 2025 was £3.1 Mil. Alumasc Group's Revenue for the
six
months ended in Dec. 2025 was £50.4 Mil. Therefore, Alumasc Group's net margin for the quarter that ended in Dec. 2025 was 6.12%.
The historical rank and industry rank for Alumasc Group's Net Margin % or its related term are showing as below:
LSE:ALU'
s Net Margin % Range Over the Past 10 Years
Min: -7.88 Med: 6.64 Max: 9.75
Current: 7.07
LSE:ALU's Net Margin % is ranked worse than 55.49% of 501
companies
in the Utilities - Regulated industry
Industry Median: 8.8
vs LSE:ALU: 7.07
Alumasc Group (LSE:ALU) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Alumasc Group Net Margin % Related Terms
Alumasc Group Net Margin % Historical Data
* Premium members only.
The historical data trend for Alumasc Group's Net 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.
LSE:ALU vs AWK, WTRG, AWR: Net Margin % Comparison
For the Utilities - Regulated Water subindustry, Alumasc Group's Net Margin %, along with its competitors' market caps and Net 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.
Alumasc Group Net Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Alumasc Group's Net Margin % distribution charts can be found below:
* The bar in red indicates where Alumasc Group's Net 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.
Alumasc Group (LSE:ALU) has a Net Margin % of 6.12% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on Alumasc Group and its competitors. This is near median its historical median of 6.64. According to the industry distribution chart, Alumasc Group ranks #278 out of 501 companies in the Utilities - Regulated industry, placing it in the top 55.5%.
Is Alumasc Group's Net Margin % too high?
Alumasc Group's current Net Margin % of 6.12% is near median its 10-year median of 6.64. The Utilities - Regulated industry median Net Margin % is 8.80. Alumasc Group's value of 6.12% is 30.5% below this industry median. Based on the distribution chart, Alumasc Group ranks #278 out of 501 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Alumasc Group has a GF Score™ of 79/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Alumasc Group's Net Margin % compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Alumasc Group ranks #278 out of 501 companies for Net Margin %. This places Alumasc Group in the lower half of its industry. The industry median Net Margin % is 8.80. Alumasc Group's value of 6.12% is 30.5% below this benchmark. While the company's 10-year median is 6.64 vs. the industry median of 8.80, Alumasc 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 Net Margin % for an Utilities - Regulated company?
The median Net Margin % among Utilities - Regulated companies is 8.80, based on 501 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Alumasc Group's current Net Margin % of 6.12% is 30.5% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Alumasc Group and its competitors. For the Utilities - Regulated industry, the median Net Margin % is 8.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alumasc Group's current Net Margin % is 6.12%, which is near median its own 10-year median of 6.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alumasc Group stock overvalued right now?
Based on GuruFocus' analysis, Alumasc Group (LSE:ALU) is currently considered Fairly Valued. The stock's GF Value™ is £2.39, compared to a current price of £2.35 — trading 1.7% below its estimated fair value. The current Net Margin % is 6.12%, which is near median its 10-year median of 6.64 and 30.5% below the Utilities - Regulated industry median of 8.80. Alumasc Group's overall GF Score™ is 79/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Alumasc Group (LSE:ALU), the current Net Margin % is 6.12% 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 Alumasc Group (LSE:ALU) Overvalued in 2026?
Based on GuruFocus' analysis, Alumasc Group stock appears to be undervalued.
The current stock price of £2.35 is trading 1.7% below its estimated GF Value™ of £2.39.
GuruFocus considers Alumasc Group to be Fairly Valued.
Key valuation signals for LSE:ALU:
Net Margin %: 6.12% (near median its 10-year median of 6.64)
GF Value™: £2.39 vs. price of £2.35 (1.7% below fair value)
Industry Position: 30.5% below the Utilities - Regulated median (#278 of 501)
No single metric tells the full story. See the LSE:ALU stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alumasc Group PLC is a building product, system, and solution company. Its segment includes Water Management, Building Envelope, and Housebuilding Products. The company operates in the UK, Europe, North America, the Middle East, the Far East, and the Rest of the World. It generates the majority of its revenue from the United Kingdom. The company generates the majority of its revenue from Water Management, which provides rainwater and drainage products that capture, retain, and control the flow of rainwater inside and outside buildings from the original source to water course, sewer, or ground.
79GF Score
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