Gulf Marine Services (LSE:GMS) EBITDA Margin %: 50.30% (As of Dec. 2025) — Near Median


LSE:GMS Gulf Marine Services PLC LSE:GMS
55 GF Score
Price £0.19
GF Value £0.17
Valuation Fairly Valued
! 3 Warning Signs
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What is Gulf Marine Services EBITDA Margin %?

Gulf Marine Services LSE:GMS +1.41% 55 EBITDA Margin % is 50.30% as of Dec. 2025, which is 2% above its 10-year median of 49.52. GuruFocus rates LSE:GMS with a GF Score™ of 55/100 and a GF Value™ of £0.17 (Fairly Valued). The stock has 3 warning signs investors should review. Among 916 Oil & Gas companies, Gulf Marine Services ranks better than 82.86% on this metric.

EBITDA Margin % is calculated as EBITDA divided by its Revenue. Gulf Marine Services's EBITDA for the six months ended in Dec. 2025 was £38.0 Mil. Gulf Marine Services's Revenue for the six months ended in Dec. 2025 was £75.5 Mil. Therefore, Gulf Marine Services's EBITDA margin for the quarter that ended in Dec. 2025 was 50.30%.


Gulf Marine Services  (LSE:GMS) EBITDA Margin % Explanation

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.


Gulf Marine Services EBITDA Margin % Related Terms


Gulf Marine Services EBITDA Margin % Historical Data

* Premium members only.

The historical data trend for Gulf Marine Services'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.

Gulf Marine Services EBITDA Margin % Chart

Gulf Marine Services Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EBITDA Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 70.66 57.43 70.45 60.55 51.62

Gulf Marine Services Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
EBITDA Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 83.59 49.06 71.23 53.16 50.30

LSE:GMS vs SLB, BKR, HAL: EBITDA Margin % Comparison

For the Oil & Gas Equipment & Services subindustry, Gulf Marine Services'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.


Gulf Marine Services EBITDA Margin % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Gulf Marine Services's EBITDA Margin % distribution charts can be found below:

* The bar in red indicates where Gulf Marine Services's EBITDA Margin % falls into.


LSE:GMS
55GF Score
Gulf Marine Services PLC LSE:GMS
EBITDA Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Gulf Marine Services EBITDA Margin % Calculation

EBITDA margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent.

Gulf Marine Services's EBITDA Margin % for the fiscal year that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=72.543/140.524
=51.62 %

Gulf Marine Services's EBITDA Margin % for the quarter that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=37.967/75.486
=50.30 %

* 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.

Frequently Asked Questions Learn more about EBITDA Margin % →
What does a EBITDA Margin % of 50.30% mean?
Gulf Marine Services (LSE:GMS) has a EBITDA Margin % of 50.30% as of Dec. 2025. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Gulf Marine Services and its competitors. This is near median its historical median of 49.52. According to the industry distribution chart, Gulf Marine Services ranks #157 out of 916 companies in the Oil & Gas industry, placing it in the top 17.1%.
Is Gulf Marine Services' EBITDA Margin % too high?
Gulf Marine Services' current EBITDA Margin % of 50.30% is near median its 10-year median of 49.52. The Oil & Gas industry median EBITDA Margin % is 13.80. Gulf Marine Services' value of 50.30% is 264.5% above this industry median. Based on the distribution chart, Gulf Marine Services ranks #157 out of 916 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Gulf Marine Services has a GF Score™ of 55/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Gulf Marine Services' EBITDA Margin % compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, Gulf Marine Services ranks #157 out of 916 companies for EBITDA Margin %. This places Gulf Marine Services in the top 17% of its industry — outperforming the majority of peers. The industry median EBITDA Margin % is 13.80. Gulf Marine Services' value of 50.30% is 264.5% above this benchmark. While the company's 10-year median is 49.52 vs. the industry median of 13.80, Gulf Marine Services 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 an Oil & Gas company?
The median EBITDA Margin % among Oil & Gas companies is 13.80, based on 916 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. Gulf Marine Services's current EBITDA Margin % of 50.30% is 264.5% 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 Gulf Marine Services and its competitors. For the Oil & Gas industry, the median EBITDA Margin % is 13.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gulf Marine Services's current EBITDA Margin % is 50.30%, which is near median its own 10-year median of 49.52. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gulf Marine Services stock overvalued right now?
Based on GuruFocus' analysis, Gulf Marine Services (LSE:GMS) is currently considered Fairly Valued. The stock's GF Value™ is £0.17, compared to a current price of £0.19 — trading 9.6% above its estimated fair value. The current EBITDA Margin % is 50.30%, which is near median its 10-year median of 49.52 and 264.5% above the Oil & Gas industry median of 13.80. Gulf Marine Services' overall GF Score™ is 55/100 with 3 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 Gulf Marine Services (LSE:GMS), the current EBITDA Margin % is 50.30% 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 Gulf Marine Services (LSE:GMS) Overvalued in 2026?

Based on GuruFocus' analysis, Gulf Marine Services stock appears to be overvalued. The current stock price of £0.19 is trading 9.6% above its estimated GF Value™ of £0.17. GuruFocus considers Gulf Marine Services to be Fairly Valued.

Key valuation signals for LSE:GMS:

  • EBITDA Margin %: 50.30% (near median its 10-year median of 49.52)
  • GF Value™: £0.17 vs. price of £0.19 (9.6% above fair value)
  • GF Score™: 55/100 with 3 warning signs
  • Industry Position: 264.5% above the Oil & Gas median (#157 of 916)

No single metric tells the full story. See the LSE:GMS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Gulf Marine Services Business Description

Industry EnergyOil & Gas
Other Exchanges GMSl:UKG0M:Germany
Address P.O. Box 46046, Abu Dhabi, ARE
Gulf Marine Services PLC is a United Kingdom-based operator of self-propelled and self-elevating support vessels (SESVs). Its assets provide a stable platform for the delivery of a range of services performed by the company's clients throughout the total lifecycle of offshore oil, gas, and renewable energy activities. Its operating business segments include Six K-Class vessels, which include the Kamikaze, Kikuyu, Kawawa, Kudeta, Keloa, and Pepper vessels; Three S-Class vessels, which include the Shamal, Scirocco, and Sharqi vessels; Five E-Class vessels, which include the Endeavour, Endurance, Enterprise, and Evolution vessels; and the Other vessels segment.
55GF Score

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

£0.19
Price
£0.17
GF Value