BT GroupCHIX:BTL -0.23%64 Net Margin % is 4.33% as of Mar. 2026, which is 40% below its 10-year median of 7.24. GuruFocus rates CHIX:BTL with a GF Score™ of 64/100 and a GF Value™ of £1.38 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 368 Telecommunication Services companies, BT Group ranks better than 50% on this metric.
Net margin is calculated as Net Income divided by its Revenue. BT Group's Net Income for the
six
months ended in Mar. 2026 was £426 Mil. BT Group's Revenue for the
six
months ended in Mar. 2026 was £9,844 Mil. Therefore, BT Group's net margin for the quarter that ended in Mar. 2026 was 4.33%.
The historical rank and industry rank for BT Group's Net Margin % or its related term are showing as below:
CHIX:BTl'
s Net Margin % Range Over the Past 10 Years
Min: 4.11 Med: 7.24 Max: 9.22
Current: 5.48
CHIX:BTl's Net Margin % is ranked better than 50% of 368
companies
in the Telecommunication Services industry
Industry Median: 5.455
vs CHIX:BTl: 5.48
BT Group (CHIX:BTl) 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.
BT Group Net Margin % Related Terms
BT Group Net Margin % Historical Data
* Premium members only.
The historical data trend for BT Group'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.
For the Telecom Services subindustry, BT Group'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.
BT Group Net Margin % vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, BT Group's Net Margin % distribution charts can be found below:
* The bar in red indicates where BT Group'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.
BT Group (CHIX:BTL) has a Net Margin % of 4.33% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on BT Group and its competitors. This is 40% below median its historical median of 7.24. Over the past decade, BT Group's Net Margin % has ranged from 4.11 to 9.22. According to the industry distribution chart, BT Group ranks #184 out of 368 companies in the Telecommunication Services industry, placing it in the top 50%.
Is BT Group's Net Margin % too high?
BT Group's current Net Margin % of 4.33% is 40% below median its 10-year median of 7.24. Over the past 10 years, this metric has ranged from a low of 4.11 to a high of 9.22. The Telecommunication Services industry median Net Margin % is 5.46. BT Group's value of 4.33% is 20.6% below this industry median. Based on the distribution chart, BT Group ranks #184 out of 368 companies in the Telecommunication Services industry, which is above the industry midpoint. Overall, BT Group has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does BT Group's Net Margin % compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, BT Group ranks #184 out of 368 companies for Net Margin %. This puts BT Group in the upper half of its industry. The industry median Net Margin % is 5.46. BT Group's value of 4.33% is 20.6% below this benchmark. Historically, BT Group's own Net Margin % has ranged from 4.11 to 9.22 over the past decade. While the company's 10-year median is 7.24 vs. the industry median of 5.46, BT Group has consistently been below 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 Telecommunication Services company?
The median Net Margin % among Telecommunication Services companies is 5.46, based on 368 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. BT Group's current Net Margin % of 4.33% is 20.6% below 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 BT Group and its competitors. For the Telecommunication Services industry, the median Net Margin % is 5.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BT Group's current Net Margin % is 4.33%, which is 40% below median its own 10-year median of 7.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BT Group stock overvalued right now?
Based on GuruFocus' analysis, BT Group (CHIX:BTL) is currently considered Significantly Overvalued. The stock's GF Value™ is £1.38, compared to a current price of £1.97 — trading 42.8% above its estimated fair value. The current Net Margin % is 4.33%, which is 40% below median its 10-year median of 7.24 and 20.6% below the Telecommunication Services industry median of 5.46. BT Group's overall GF Score™ is 64/100 with 6 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 BT Group (CHIX:BTL), the current Net Margin % is 4.33% 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 BT Group (CHIX:BTL) Overvalued in 2026?
Based on GuruFocus' analysis, BT Group stock appears to be overvalued.
The current stock price of £1.97 is trading 42.8% above its estimated GF Value™ of £1.38.
GuruFocus considers BT Group to be Significantly Overvalued.
Key valuation signals for CHIX:BTL:
Net Margin %: 4.33% (40% below median its 10-year median of 7.24)
GF Value™: £1.38 vs. price of £1.97 (42.8% above fair value)
Industry Position: 20.6% below the Telecommunication Services median (#184 of 368)
No single metric tells the full story. See the CHIX:BTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
BT Group is the incumbent telecommunications operator in the UK. BT is the owner of Openreach, the largest fixed-line network in the country. Openreach operates as a separate entity due to regulatory requirements, but is still 100% owned by BT. Openreach has accelerated its fiber investments and expects to have 90% of the UK covered with FTTH by 2026. In the consumer division, BT has approximately 30% market share in broadband and mobile services. The enterprise segment serves large corporations, while the global services division provides communications consultancy services.
64GF Score
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