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L & K Engineering CoTPE:6139 -5.55%87 FCF Margin % is 25.22% as of Dec. 2025, which is 493% above its 10-year median of 4.25. GuruFocus rates TPE:6139 with a GF Score™ of 87/100 and a GF Value™ of NT$698.56 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 1,768 Construction companies, L & K Engineering Co ranks better than 94.68% on this metric.
The historical rank and industry rank for L & K Engineering Co's FCF Margin % or its related term are showing as below:
TPE:6139'
s FCF Margin % Range Over the Past 10 Years
Min: -12.79 Med: 4.25 Max: 29.52
Current: 29.52
During the past 13 years, the highest FCF Margin % of L & K Engineering Co was 29.52%. The lowest was -12.79%. And the median was 4.25%.
TPE:6139's FCF Margin % is ranked better than 94.68% of 1768
companies
in the Construction industry
Industry Median: 2.6
vs TPE:6139: 29.52
L & K Engineering Co FCF Margin % Related Terms
L & K Engineering Co FCF Margin % Historical Data
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The historical data trend for L & K Engineering Co'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.
TPE:6139 vs PWR, FIX, EME: FCF Margin % Comparison
For the Engineering & Construction subindustry, L & K Engineering Co'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.
L & K Engineering Co FCF Margin % vs Construction Industry
For the Construction industry and Industrials sector, L & K Engineering Co's FCF Margin % distribution charts can be found below:
* The bar in red indicates where L & K Engineering Co'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.
L & K Engineering Co (TPE:6139) has a FCF Margin % of 25.22% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on L & K Engineering Co and its competitors. This is 493% above median its historical median of 4.25. According to the industry distribution chart, L & K Engineering Co ranks #94 out of 1768 companies in the Construction industry, placing it in the top 5.3%.
Is L & K Engineering Co's FCF Margin % too high?
L & K Engineering Co's current FCF Margin % of 25.22% is 493% above median its 10-year median of 4.25. The Construction industry median FCF Margin % is 2.60. L & K Engineering Co's value of 25.22% is 870% above this industry median. Based on the distribution chart, L & K Engineering Co ranks #94 out of 1768 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, L & K Engineering Co has a GF Score™ of 87/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does L & K Engineering Co's FCF Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, L & K Engineering Co ranks #94 out of 1768 companies for FCF Margin %. This places L & K Engineering Co in the top 5% of its industry — outperforming the majority of peers. The industry median FCF Margin % is 2.60. L & K Engineering Co's value of 25.22% is 870% above this benchmark. While the company's 10-year median is 4.25 vs. the industry median of 2.60, L & K Engineering Co 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 2.60, based on 1,768 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. L & K Engineering Co's current FCF Margin % of 25.22% is 870% 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 L & K Engineering Co and its competitors. For the Construction industry, the median FCF Margin % is 2.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. L & K Engineering Co's current FCF Margin % is 25.22%, which is 493% above median its own 10-year median of 4.25. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is L & K Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, L & K Engineering Co (TPE:6139) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$698.56, compared to a current price of NT$834.00 — trading 19.4% above its estimated fair value. The current FCF Margin % is 25.22%, which is 493% above median its 10-year median of 4.25 and 870% above the Construction industry median of 2.60. L & K Engineering Co's overall GF Score™ is 87/100 with 6 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 L & K Engineering Co (TPE:6139), the current FCF Margin % is 25.22% 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 L & K Engineering Co (TPE:6139) Overvalued in 2026?
Based on GuruFocus' analysis, L & K Engineering Co stock appears to be overvalued.
The current stock price of NT$834.00 is trading 19.4% above its estimated GF Value™ of NT$698.56.
GuruFocus considers L & K Engineering Co to be Modestly Overvalued.
Key valuation signals for TPE:6139:
FCF Margin %: 25.22% (493% above median its 10-year median of 4.25)
GF Value™: NT$698.56 vs. price of NT$834.00 (19.4% above fair value)
Industry Position: 870% above the Construction median (#94 of 1768)
No single metric tells the full story. See the TPE:6139 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
L & K Engineering Co Ltd is a Taiwan-based professional engineering company that provides fully integrated turnkey engineering services for cleanroom construction projects, process utility systems, electrical and mechanical engineering, and other associated engineering projects. The main business includes design and manufacture of hospitals, pharmaceutical and biochemically sterile rooms, electronics clean room, related mechanical and electrical peripherals, and manufacturing process pipelines, especially turnkey engineering services.
87GF Score
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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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