Siamrajathanee PCL (BKK:SO) Profitability Rank: 7 (As of Jun. 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

BKK:SO Siamrajathanee PCL BKK:SO
87 GF Score
Price ฿4.76
GF Value ฿4.97
Valuation Fairly Valued
! 6 Warning Signs
View Full Analysis

What is Siamrajathanee PCL Profitability Rank?

Siamrajathanee PCL BKK:SO +0.42% 87 Profitability Rank is 7 as of Jun. 2026, which is at its 10-year median of 7.00. GuruFocus rates BKK:SO with a GF Score™ of 87/100 and a GF Value™ of ฿4.97 (Fairly Valued). The stock has 6 warning signs investors should review.

Siamrajathanee PCL has the Profitability Rank of 7.

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way. It is rated on a scale of 1 to 10 and is based on these factors:

1. Operating Margin %
2. Piotroski F-Score
3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.
4. Consistency of the profitability
5. Predictability Rank

A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

Siamrajathanee PCL's Operating Margin % for the quarter that ended in Jun. 2026 was 8.49%. As of today, Siamrajathanee PCL's Piotroski F-Score is 5.


Siamrajathanee PCL Profitability Rank Related Terms


BKK:SO vs CTAS, CPRT, GPN: Profitability Rank Comparison

For the Specialty Business Services subindustry, Siamrajathanee PCL's Profitability Rank, along with its competitors' market caps and Profitability Rank 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 Profitability Rank vs Business Services Industry

For the Business Services industry and Industrials sector, Siamrajathanee PCL's Profitability Rank distribution charts can be found below:

* The bar in red indicates where Siamrajathanee PCL's Profitability Rank falls into.


BKK:SO
87GF Score
Siamrajathanee PCL BKK:SO
Profitability Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Siamrajathanee PCL Profitability Rank Calculation

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way.

The rank is rated on a scale of 1 to 10. A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

Siamrajathanee PCL has the Profitability Rank of 7.

Profitability Rank is not directly related to the Financial Strength. But if a company is consistently profitable, its financial strength will be stronger.

Profitability Rank is based on these factors:

1. Operating Margin %

Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.

Siamrajathanee PCL's Operating Margin % for the quarter that ended in Jun. 2026 is calculated as:

Operating Margin %=Operating Income (Q: Jun. 2026 ) / Revenue (Q: Jun. 2026 )
=61.027 / 718.738
=8.49 %

* 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.

2. Piotroski F-Score

The zones of discrimination were as such:

Good or high score = 8 or 9
Bad or low score = 0 or 1

Siamrajathanee PCL has an F-score of 5 indicating the company's financial situation is typical for a stable company.

3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.

Warning Sign:

Siamrajathanee PCL operating margin has been in a 5-year decline. The average rate of decline per year is -1.3%.

4. Consistency of the profitability

5. Predictability Rank

Frequently Asked Questions Learn more about Profitability Rank →
What does a Profitability Rank of 7 mean?
Siamrajathanee PCL (BKK:SO) has a Profitability Rank of 7 as of Jun. 2026. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Siamrajathanee PCL and its competitors. This is near median its historical median of 7.00. Over the past decade, Siamrajathanee PCL's Profitability Rank has ranged from 4.00 to 7.00.
Is Siamrajathanee PCL's Profitability Rank too high?
Siamrajathanee PCL's current Profitability Rank of 7 is near median its 10-year median of 7.00. Over the past 10 years, this metric has ranged from a low of 4.00 to a high of 7.00. Overall, Siamrajathanee PCL has a GF Score™ of 87/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Siamrajathanee PCL's Profitability Rank compare to CTAS and CPRT?
Siamrajathanee PCL's Profitability Rank of 7 can be compared against companies in the Business Services industry. Historically, Siamrajathanee PCL's own Profitability Rank has ranged from 4.00 to 7.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Profitability Rank for a Business Services company?
A good Profitability Rank depends on the Business Services industry context. However, Profitability Rank should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Profitability Rank mean?
A high Profitability Rank can signal that a stock is expensive relative to its fundamentals. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Siamrajathanee PCL and its competitors. Siamrajathanee PCL's current Profitability Rank is 7, which is near median its own 10-year median of 7.00. 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 Fairly Valued. The stock's GF Value™ is ฿4.97, compared to a current price of ฿4.76 — trading 4.2% below its estimated fair value. The current Profitability Rank is 7, which is near median its 10-year median of 7.00. Siamrajathanee PCL'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 Profitability Rank calculated?
Profitability Rank is calculated from a company's financial statements. For Siamrajathanee PCL (BKK:SO), the current Profitability Rank is 7 as of Jun. 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 ฿4.76 is trading 4.2% below its estimated GF Value™ of ฿4.97. GuruFocus considers Siamrajathanee PCL to be Fairly Valued.

Key valuation signals for BKK:SO:

  • Profitability Rank: 7 (near median its 10-year median of 7.00)
  • GF Value™: ฿4.97 vs. price of ฿4.76 (4.2% below fair value)
  • GF Score™: 87/100 with 6 warning signs

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 Business Description

Address 329 Moo 10, Old Railway Road, Kusolsong Samakkee Soi 1, Samrong Subdistrict, Phra Pradaeng District, Samutprakarn, THA, 10130
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.
87GF Score

Get the complete analysis for BKK:SO

Profitability Rank is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

฿4.76
Price
฿4.97
GF Value