Siamrajathanee PCLBKK:SO 88 EBITDA Margin % is 20.49% as of Mar. 2026, which is 28% above its 10-year median of 16.04. 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 1,071 Business Services companies, Siamrajathanee PCL ranks better than 73.67% on this metric.
EBITDA Margin % is calculated as EBITDA divided by its Revenue. Siamrajathanee PCL's EBITDA for the
three
months ended in Mar. 2026 was ฿146 Mil. Siamrajathanee PCL's Revenue for the
three
months ended in Mar. 2026 was ฿713 Mil. Therefore, Siamrajathanee PCL's EBITDA margin for the quarter that ended in Mar. 2026 was 20.49%.
EBITDA Margin % is the ratio of EBITDA divided by net sales or Revenue. It is an performance metric measuring company's operating profitability. EBITDA Margin takes depreciation and amortization, interest expense and tax into account, which makes it easy to compare the relative profitability of companies of different sizes in the same industry.
Siamrajathanee PCL EBITDA Margin % Related Terms
Siamrajathanee PCL EBITDA Margin % Historical Data
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The historical data trend for Siamrajathanee PCL's EBITDA 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: EBITDA Margin % Comparison
For the Specialty Business Services subindustry, Siamrajathanee PCL's EBITDA Margin %, along with its competitors' market caps and EBITDA 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 EBITDA Margin % vs Business Services Industry
For the Business Services industry and Industrials sector, Siamrajathanee PCL's EBITDA Margin % distribution charts can be found below:
* The bar in red indicates where Siamrajathanee PCL's EBITDA 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 EBITDA Margin % of 20.49% as of Mar. 2026. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Siamrajathanee PCL and its competitors. This is 28% above median its historical median of 16.04. Over the past decade, Siamrajathanee PCL's EBITDA Margin % has ranged from 12.71 to 21.00. According to the industry distribution chart, Siamrajathanee PCL ranks #282 out of 1071 companies in the Business Services industry, placing it in the top 26.3%.
Is Siamrajathanee PCL's EBITDA Margin % too high?
Siamrajathanee PCL's current EBITDA Margin % of 20.49% is 28% above median its 10-year median of 16.04. Over the past 10 years, this metric has ranged from a low of 12.71 to a high of 21.00. The Business Services industry median EBITDA Margin % is 10.93. Siamrajathanee PCL's value of 20.49% is 87.5% above this industry median. Based on the distribution chart, Siamrajathanee PCL ranks #282 out of 1071 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 EBITDA Margin % compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Siamrajathanee PCL ranks #282 out of 1071 companies for EBITDA Margin %. This puts Siamrajathanee PCL in the upper half of its industry. The industry median EBITDA Margin % is 10.93. Siamrajathanee PCL's value of 20.49% is 87.5% above this benchmark. Historically, Siamrajathanee PCL's own EBITDA Margin % has ranged from 12.71 to 21.00 over the past decade. While the company's 10-year median is 16.04 vs. the industry median of 10.93, 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 EBITDA Margin % for a Business Services company?
The median EBITDA Margin % among Business Services companies is 10.93, based on 1,071 companies in the industry. Companies in the top quartile (top 25%) have a EBITDA Margin % significantly above this median, while those in the bottom quartile fall well below. However, EBITDA Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Siamrajathanee PCL's current EBITDA Margin % of 20.49% is 87.5% 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 EBITDA Margin % mean?
A high EBITDA Margin % can signal that a stock is expensive relative to its fundamentals. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Siamrajathanee PCL and its competitors. For the Business Services industry, the median EBITDA Margin % is 10.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siamrajathanee PCL's current EBITDA Margin % is 20.49%, which is 28% above median its own 10-year median of 16.04. 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 EBITDA Margin % is 20.49%, which is 28% above median its 10-year median of 16.04 and 87.5% above the Business Services industry median of 10.93. 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 EBITDA Margin % calculated?
EBITDA Margin % is calculated from a company's financial statements. For Siamrajathanee PCL (BKK:SO), the current EBITDA Margin % is 20.49% 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:
EBITDA Margin %: 20.49% (28% above median its 10-year median of 16.04)
GF Value™: ฿5.68 vs. price of ฿4.64 (18.3% below fair value)
Industry Position: 87.5% above the Business Services median (#282 of 1071)
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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