London SecurityLSE:LSC 88 Gross Margin % is 74.08% as of Dec. 2025, which is 1% below its 10-year median of 74.72. GuruFocus rates LSE:LSC with a GF Score™ of 88/100 and a GF Value™ of £39.10 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 1,007 Business Services companies, London Security ranks better than 85% on this metric.
The historical rank and industry rank for London Security's Gross Margin % or its related term are showing as below:
LSE:LSC'
s Gross Margin % Range Over the Past 10 Years
Min: 73.15 Med: 74.72 Max: 79.42
Current: 73.27
During the past 13 years, the highestGross Margin % of London Security was 79.42%. The lowest was 73.15%. And the median was 74.72%.
LSE:LSC's Gross Margin % is ranked better than 85% of 1007
companies
in the Business Services industry
Industry Median: 34.46
vs LSE:LSC: 73.27
London Security had a gross margin of 74.08% for the quarter that ended in Dec. 2025 => Durable competitive advantage
The 5-Year average Growth Rate of Gross Margin for London Security was -0.50% per year.
London Security (LSE:LSC) 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
London Security had a gross margin of 74.08% for the quarter that ended in Dec. 2025 => Durable 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.
London Security Gross Margin % Related Terms
London Security Gross Margin % Historical Data
* Premium members only.
The historical data trend for London Security'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.
LSE:LSC vs ALLE, MSA, ADT: Gross Margin % Comparison
For the Security & Protection Services subindustry, London Security'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.
London Security Gross Margin % vs Business Services Industry
For the Business Services industry and Industrials sector, London Security's Gross Margin % distribution charts can be found below:
* The bar in red indicates where London Security'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.
London Security (LSE:LSC) has a Gross Margin % of 74.08% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on London Security and its competitors. This is near median its historical median of 74.72. Over the past decade, London Security's Gross Margin % has ranged from 73.15 to 79.42. According to the industry distribution chart, London Security ranks #151 out of 1007 companies in the Business Services industry, placing it in the top 15%.
Is London Security's Gross Margin % too high?
London Security's current Gross Margin % of 74.08% is near median its 10-year median of 74.72. Over the past 10 years, this metric has ranged from a low of 73.15 to a high of 79.42. The Business Services industry median Gross Margin % is 34.46. London Security's value of 74.08% is 115% above this industry median. Based on the distribution chart, London Security ranks #151 out of 1007 companies in the Business Services industry, which is in the top quartile — a strong position relative to peers. Overall, London Security has a GF Score™ of 88/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does London Security's Gross Margin % compare to ALLE and MSA?
According to the Business Services industry distribution chart, London Security ranks #151 out of 1007 companies for Gross Margin %. This places London Security in the top 15% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 34.46. London Security's value of 74.08% is 115% above this benchmark. Historically, London Security's own Gross Margin % has ranged from 73.15 to 79.42 over the past decade. While the company's 10-year median is 74.72 vs. the industry median of 34.46, London Security 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 Gross Margin % for a Business Services company?
The median Gross Margin % among Business Services companies is 34.46, based on 1,007 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. London Security's current Gross Margin % of 74.08% is 115% 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 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 London Security and its competitors. For the Business Services industry, the median Gross Margin % is 34.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. London Security's current Gross Margin % is 74.08%, which is near median its own 10-year median of 74.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is London Security stock overvalued right now?
Based on GuruFocus' analysis, London Security (LSE:LSC) is currently considered Modestly Undervalued. The stock's GF Value™ is £39.10, compared to a current price of £34.00 — trading 13% below its estimated fair value. The current Gross Margin % is 74.08%, which is near median its 10-year median of 74.72 and 115% above the Business Services industry median of 34.46. London Security's overall GF Score™ is 88/100 with 3 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 London Security (LSE:LSC), the current Gross Margin % is 74.08% 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 London Security (LSE:LSC) Overvalued in 2026?
Based on GuruFocus' analysis, London Security stock appears to be undervalued.
The current stock price of £34.00 is trading 13% below its estimated GF Value™ of £39.10.
GuruFocus considers London Security to be Modestly Undervalued.
Key valuation signals for LSE:LSC:
Gross Margin %: 74.08% (near median its 10-year median of 74.72)
GF Value™: £39.10 vs. price of £34.00 (13% below fair value)
Industry Position: 115% above the Business Services median (#151 of 1007)
No single metric tells the full story. See the LSE:LSC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
London Security PLC is an investment holding company that provides fire protection services and products. The business activity of the group functions through the United Kingdom, Belgium, the Netherlands, Austria, and the Rest of Europe. It derives revenue from the Outright sale of equipment, Maintenance, service, installation, and Equipment rental activity. The company's products are marketed under the Nu-Swift, Ansul, Total, and Master brands. The group operates in a single segment, which is the provision and maintenance of fire protection and security equipment in Europe.
88GF Score
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Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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