London SecurityLSE:LSC 88 Pretax Margin % is 15.83% as of Dec. 2025, which is 2% below its 10-year median of 16.15. 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 1,074 Business Services companies, London Security ranks better than 75.7% on this metric.
The historical rank and industry rank for London Security's Pretax Margin % or its related term are showing as below:
LSE:LSC'
s Pretax Margin % Range Over the Past 10 Years
Min: 13.3 Med: 16.15 Max: 17.94
Current: 13.3
LSE:LSC's Pretax Margin % is ranked better than 75.7% of 1074
companies
in the Business Services industry
Industry Median: 5.35
vs LSE:LSC: 13.30
London Security (LSE:LSC) Pretax Margin % Explanation
The pretax margin, as know as pretax profit margin, is widely used to measure the operating efficiency of a company before deducting taxes.
The pretax margin is sometimes preferred over the net margin as tax expenditures can make profitability comparisons between companies misleading.
It is a useful tool to compare companies operating in the same sector and less effective when comparing companies from other sectors as each industry generally has different operating expenses and sales patterns.
The long term trend of the pretax margin is a good indicator of the competitiveness and health of the business.
London Security Pretax Margin % Related Terms
London Security Pretax Margin % Historical Data
* Premium members only.
The historical data trend for London Security's Pretax 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: Pretax Margin % Comparison
For the Security & Protection Services subindustry, London Security's Pretax Margin %, along with its competitors' market caps and Pretax 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 Pretax Margin % vs Business Services Industry
For the Business Services industry and Industrials sector, London Security's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where London Security's Pretax 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.
London Security (LSE:LSC) has a Pretax Margin % of 15.83% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on London Security and its competitors. This is near median its historical median of 16.15. Over the past decade, London Security's Pretax Margin % has ranged from 13.30 to 17.94. According to the industry distribution chart, London Security ranks #261 out of 1074 companies in the Business Services industry, placing it in the top 24.3%.
Is London Security's Pretax Margin % too high?
London Security's current Pretax Margin % of 15.83% is near median its 10-year median of 16.15. Over the past 10 years, this metric has ranged from a low of 13.30 to a high of 17.94. The Business Services industry median Pretax Margin % is 5.35. London Security's value of 15.83% is 195.9% above this industry median. Based on the distribution chart, London Security ranks #261 out of 1074 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 Pretax Margin % compare to ALLE and MSA?
According to the Business Services industry distribution chart, London Security ranks #261 out of 1074 companies for Pretax Margin %. This places London Security in the top 24% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 5.35. London Security's value of 15.83% is 195.9% above this benchmark. Historically, London Security's own Pretax Margin % has ranged from 13.30 to 17.94 over the past decade. While the company's 10-year median is 16.15 vs. the industry median of 5.35, 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 Pretax Margin % for a Business Services company?
The median Pretax Margin % among Business Services companies is 5.35, based on 1,074 companies in the industry. Companies in the top quartile (top 25%) have a Pretax Margin % significantly above this median, while those in the bottom quartile fall well below. However, Pretax Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. London Security's current Pretax Margin % of 15.83% is 195.9% 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 Pretax Margin % mean?
A high Pretax Margin % can signal that a stock is expensive relative to its fundamentals. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on London Security and its competitors. For the Business Services industry, the median Pretax Margin % is 5.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. London Security's current Pretax Margin % is 15.83%, which is near median its own 10-year median of 16.15. 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 Pretax Margin % is 15.83%, which is near median its 10-year median of 16.15 and 195.9% above the Business Services industry median of 5.35. 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 Pretax Margin % calculated?
Pretax Margin % is calculated from a company's financial statements. For London Security (LSE:LSC), the current Pretax Margin % is 15.83% 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:
Pretax Margin %: 15.83% (near median its 10-year median of 16.15)
GF Value™: £39.10 vs. price of £34.00 (13% below fair value)
Industry Position: 195.9% above the Business Services median (#261 of 1074)
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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