Tan Delta SystemsLSE:TAND 23 Gross Margin % is 59.91% as of Dec. 2025, which is 3% below its 10-year median of 61.84. GuruFocus rates LSE:TAND with a GF Score™ of 23/100 and a GF Value™ of £0.18 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 867 Oil & Gas companies, Tan Delta Systems ranks better than 87.54% on this metric.
The historical rank and industry rank for Tan Delta Systems's Gross Margin % or its related term are showing as below:
LSE:TAND'
s Gross Margin % Range Over the Past 10 Years
Min: 59.64 Med: 61.84 Max: 63.37
Current: 60.31
During the past 6 years, the highestGross Margin % of Tan Delta Systems was 63.37%. The lowest was 59.64%. And the median was 61.84%.
LSE:TAND's Gross Margin % is ranked better than 87.54% of 867
companies
in the Oil & Gas industry
Industry Median: 25.7
vs LSE:TAND: 60.31
Tan Delta Systems had a gross margin of 59.91% for the quarter that ended in Dec. 2025 => Durable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Tan Delta Systems was -0.80% per year.
Tan Delta Systems (LSE:TAND) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Tan Delta Systems had a gross margin of 59.91% for the quarter that ended in Dec. 2025 => Durable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Tan Delta Systems Gross Margin % Related Terms
Tan Delta Systems Gross Margin % Historical Data
* Premium members only.
The historical data trend for Tan Delta Systems's Gross 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.
LSE:TAND vs SLB, BKR, HAL: Gross Margin % Comparison
For the Oil & Gas Equipment & Services subindustry, Tan Delta Systems's Gross Margin %, along with its competitors' market caps and Gross 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.
Tan Delta Systems Gross Margin % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Tan Delta Systems's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Tan Delta Systems's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Tan Delta Systems (LSE:TAND) has a Gross Margin % of 59.91% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Tan Delta Systems and its competitors. This is near median its historical median of 61.84. Over the past decade, Tan Delta Systems' Gross Margin % has ranged from 59.64 to 63.37. According to the industry distribution chart, Tan Delta Systems ranks #108 out of 867 companies in the Oil & Gas industry, placing it in the top 12.5%.
Is Tan Delta Systems' Gross Margin % too high?
Tan Delta Systems' current Gross Margin % of 59.91% is near median its 10-year median of 61.84. Over the past 10 years, this metric has ranged from a low of 59.64 to a high of 63.37. The Oil & Gas industry median Gross Margin % is 25.70. Tan Delta Systems' value of 59.91% is 133.1% above this industry median. Based on the distribution chart, Tan Delta Systems ranks #108 out of 867 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Tan Delta Systems has a GF Score™ of 23/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tan Delta Systems' Gross Margin % compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, Tan Delta Systems ranks #108 out of 867 companies for Gross Margin %. This places Tan Delta Systems in the top 13% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 25.70. Tan Delta Systems' value of 59.91% is 133.1% above this benchmark. Historically, Tan Delta Systems' own Gross Margin % has ranged from 59.64 to 63.37 over the past decade. While the company's 10-year median is 61.84 vs. the industry median of 25.70, Tan Delta Systems 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 Gross Margin % for an Oil & Gas company?
The median Gross Margin % among Oil & Gas companies is 25.70, based on 867 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tan Delta Systems's current Gross Margin % of 59.91% is 133.1% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Tan Delta Systems and its competitors. For the Oil & Gas industry, the median Gross Margin % is 25.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tan Delta Systems's current Gross Margin % is 59.91%, which is near median its own 10-year median of 61.84. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tan Delta Systems stock overvalued right now?
Based on GuruFocus' analysis, Tan Delta Systems (LSE:TAND) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.18, compared to a current price of £0.28 — trading 55.6% above its estimated fair value. The current Gross Margin % is 59.91%, which is near median its 10-year median of 61.84 and 133.1% above the Oil & Gas industry median of 25.70. Tan Delta Systems' overall GF Score™ is 23/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Tan Delta Systems (LSE:TAND), the current Gross Margin % is 59.91% 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 Tan Delta Systems (LSE:TAND) Overvalued in 2026?
Based on GuruFocus' analysis, Tan Delta Systems stock appears to be overvalued.
The current stock price of £0.28 is trading 55.6% above its estimated GF Value™ of £0.18.
GuruFocus considers Tan Delta Systems to be Significantly Overvalued.
Key valuation signals for LSE:TAND:
Gross Margin %: 59.91% (near median its 10-year median of 61.84)
GF Value™: £0.18 vs. price of £0.28 (55.6% above fair value)
Industry Position: 133.1% above the Oil & Gas median (#108 of 867)
No single metric tells the full story. See the LSE:TAND stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tan Delta Systems PLC develops real-time oil analysis and analytic technologies and products with capabilities that enable equipment operators to significantly reduce operating costs, improve efficiency, and reduce carbon footprint. It develops all its core technologies and products in-house, with manufacturing undertaken by its carefully selected manufacturing partners with whom its dedicated production QA department works. Its products include Sensors, Kits, Display solutions, Gateways & modems, and Accessories & services. Geographically, its solutions are in use across the UK, Europe, North and South America, Asia, and the Middle East.
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