Siamrajathanee PCLBKK:SO 88 Net Margin % is 7.81% as of Mar. 2026, which is 8% above its 10-year median of 7.20. GuruFocus rates BKK:SO with a GF Score™ of 88/100 and a GF Value™ of ฿5.68 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,074 Business Services companies, Siamrajathanee PCL ranks better than 69.55% on this metric.
The historical rank and industry rank for Siamrajathanee PCL's Net Margin % or its related term are showing as below:
BKK:SO'
s Net Margin % Range Over the Past 10 Years
Min: 5.57 Med: 7.2 Max: 8.45
Current: 8.04
BKK:SO's Net Margin % is ranked better than 69.55% of 1074
companies
in the Business Services industry
Industry Median: 3.83
vs BKK:SO: 8.04
Siamrajathanee PCL (BKK:SO) 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.
Siamrajathanee PCL Net Margin % Related Terms
Siamrajathanee PCL Net Margin % Historical Data
* Premium members only.
The historical data trend for Siamrajathanee PCL'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.
BKK:SO vs CTAS, CPRT, GPN: Net Margin % Comparison
For the Specialty Business Services subindustry, Siamrajathanee PCL'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.
Siamrajathanee PCL Net Margin % vs Business Services Industry
For the Business Services industry and Industrials sector, Siamrajathanee PCL's Net Margin % distribution charts can be found below:
* The bar in red indicates where Siamrajathanee PCL'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.
Siamrajathanee PCL (BKK:SO) has a Net Margin % of 7.81% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Siamrajathanee PCL and its competitors. This is near median its historical median of 7.20. Over the past decade, Siamrajathanee PCL's Net Margin % has ranged from 5.57 to 8.45. According to the industry distribution chart, Siamrajathanee PCL ranks #327 out of 1074 companies in the Business Services industry, placing it in the top 30.4%.
Is Siamrajathanee PCL's Net Margin % too high?
Siamrajathanee PCL's current Net Margin % of 7.81% is near median its 10-year median of 7.20. Over the past 10 years, this metric has ranged from a low of 5.57 to a high of 8.45. The Business Services industry median Net Margin % is 3.83. Siamrajathanee PCL's value of 7.81% is 103.9% above this industry median. Based on the distribution chart, Siamrajathanee PCL ranks #327 out of 1074 companies in the Business Services industry, which is above the industry midpoint. Overall, Siamrajathanee PCL has a GF Score™ of 88/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Siamrajathanee PCL's Net Margin % compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Siamrajathanee PCL ranks #327 out of 1074 companies for Net Margin %. This puts Siamrajathanee PCL in the upper half of its industry. The industry median Net Margin % is 3.83. Siamrajathanee PCL's value of 7.81% is 103.9% above this benchmark. Historically, Siamrajathanee PCL's own Net Margin % has ranged from 5.57 to 8.45 over the past decade. While the company's 10-year median is 7.20 vs. the industry median of 3.83, Siamrajathanee PCL 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 Net Margin % for a Business Services company?
The median Net Margin % among Business Services companies is 3.83, based on 1,074 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. Siamrajathanee PCL's current Net Margin % of 7.81% is 103.9% 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 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 Siamrajathanee PCL and its competitors. For the Business Services industry, the median Net Margin % is 3.83 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siamrajathanee PCL's current Net Margin % is 7.81%, which is near median its own 10-year median of 7.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siamrajathanee PCL stock overvalued right now?
Based on GuruFocus' analysis, Siamrajathanee PCL (BKK:SO) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿5.68, compared to a current price of ฿4.64 — trading 18.3% below its estimated fair value. The current Net Margin % is 7.81%, which is near median its 10-year median of 7.20 and 103.9% above the Business Services industry median of 3.83. Siamrajathanee PCL's overall GF Score™ is 88/100 with 5 warning signs 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 Siamrajathanee PCL (BKK:SO), the current Net Margin % is 7.81% as of Mar. 2026. 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 Siamrajathanee PCL (BKK:SO) Overvalued in 2026?
Based on GuruFocus' analysis, Siamrajathanee PCL stock appears to be undervalued.
The current stock price of ฿4.64 is trading 18.3% below its estimated GF Value™ of ฿5.68.
GuruFocus considers Siamrajathanee PCL to be Modestly Undervalued.
Key valuation signals for BKK:SO:
Net Margin %: 7.81% (near median its 10-year median of 7.20)
GF Value™: ฿5.68 vs. price of ฿4.64 (18.3% below fair value)
Industry Position: 103.9% above the Business Services median (#327 of 1074)
No single metric tells the full story. See the BKK:SO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Siamrajathanee PCL is an outsourcing services company in Thailand for both the government and private sectors. It is principally engaged in providing outsourcing services and vehicle operating lease services. The company, along with its subsidiaries, is organized into business units based on its products and services and has the following reportable segments: the Outsourcing service segment, the Rental service segment, and others. A majority of its revenue is generated from the Outsourcing service segment, which provides services like Workforce management, corporate car rental, landscape maintenance, and industrial waste disposal. Geographically, the group operates only in Thailand.
88GF Score
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