Diales GroupLSE:DIAL +1.59%50 PB Ratio is 1.23 as of Jul. 05, 2026, which is 1% below its 10-year median of 1.24. GuruFocus rates LSE:DIAL with a GF Score™ of 50/100 and a GF Value™ of £0.26 (Modestly Overvalued). The stock has 8 warning signs investors should review. Among 1,048 Business Services companies, Diales Group ranks better than 63.45% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-05), Diales Group's share price is £0.32. Diales Group's Book Value per Share for the quarter that ended in Mar. 2026 was £0.26. Hence, Diales Group's PB Ratio of today is 1.23.
Warning Sign:
Diales Group PLC stock PB Ratio (=1.23) is close to 3-year high of 1.23.
The historical rank and industry rank for Diales Group's PB Ratio or its related term are showing as below:
LSE:DIAL'
s PB Ratio Range Over the Past 10 Years
Min: 0.59 Med: 1.24 Max: 2.78
Current: 1.23
During the past 13 years, Diales Group's highest PB Ratio was 2.78. The lowest was 0.59. And the median was 1.24.
LSE:DIAL's PB Ratio is ranked better than 63.45% of 1048
companies
in the Business Services industry
Industry Median: 1.67
vs LSE:DIAL: 1.23
During the past 12 months, Diales Group's average Book Value Per Share Growth Rate was 1.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -5.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -8.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -1.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Diales Group was 158.00% per year. The lowest was -13.70% per year. And the median was 7.90% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Diales Group PB Ratio Related Terms
Diales Group PB Ratio Historical Data
* Premium members only.
The historical data trend for Diales Group's PB Ratio 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 Consulting Services subindustry, Diales Group's PB Ratio, along with its competitors' market caps and PB Ratio 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.
Diales Group PB Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, Diales Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Diales Group's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Diales Group's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Diales Group (LSE:DIAL) has a PB Ratio of 1.23 as of Jul. 05, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Diales Group and its competitors. This is near median its historical median of 1.24. Over the past decade, Diales Group's PB Ratio has ranged from 0.59 to 2.78. According to the industry distribution chart, Diales Group ranks #383 out of 1048 companies in the Business Services industry, placing it in the top 36.5%.
Is Diales Group's PB Ratio too high?
Diales Group's current PB Ratio of 1.23 is near median its 10-year median of 1.24. Over the past 10 years, this metric has ranged from a low of 0.59 to a high of 2.78. The Business Services industry median PB Ratio is 1.67. Diales Group's value of 1.23 is 26.3% below this industry median. Based on the distribution chart, Diales Group ranks #383 out of 1048 companies in the Business Services industry, which is above the industry midpoint. Overall, Diales Group has a GF Score™ of 50/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diales Group's PB Ratio compare to VRSK and EFX?
According to the Business Services industry distribution chart, Diales Group ranks #383 out of 1048 companies for PB Ratio. This puts Diales Group in the upper half of its industry. The industry median PB Ratio is 1.67. Diales Group's value of 1.23 is 26.3% below this benchmark. Historically, Diales Group's own PB Ratio has ranged from 0.59 to 2.78 over the past decade. While the company's 10-year median is 1.24 vs. the industry median of 1.67, Diales 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 PB Ratio for a Business Services company?
The median PB Ratio among Business Services companies is 1.67, based on 1,048 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diales Group's current PB Ratio of 1.23 is 26.3% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Diales Group and its competitors. For the Business Services industry, the median PB Ratio is 1.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diales Group's current PB Ratio is 1.23, which is near median its own 10-year median of 1.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diales Group stock overvalued right now?
Based on GuruFocus' analysis, Diales Group (LSE:DIAL) is currently considered Modestly Overvalued. The stock's GF Value™ is £0.26, compared to a current price of £0.32 — trading 23.1% above its estimated fair value. The current PB Ratio is 1.23, which is near median its 10-year median of 1.24 and 26.3% below the Business Services industry median of 1.67. Diales Group's overall GF Score™ is 50/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Diales Group (LSE:DIAL), the current PB Ratio is 1.23 as of Jul. 05, 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 Diales Group (LSE:DIAL) Overvalued in 2026?
Based on GuruFocus' analysis, Diales Group stock appears to be overvalued.
The current stock price of £0.32 is trading 23.1% above its estimated GF Value™ of £0.26.
GuruFocus considers Diales Group to be Modestly Overvalued.
Key valuation signals for LSE:DIAL:
PB Ratio: 1.23 (near median its 10-year median of 1.24)
GF Value™: £0.26 vs. price of £0.32 (23.1% above fair value)
Industry Position: 26.3% below the Business Services median (#383 of 1048)
No single metric tells the full story. See the LSE:DIAL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Diales Group PLC provides advisory services to the engineering and construction industries. The company offers quantity surveying, quantum and planning experts, mediators, arbitrators, and project management services; and other consultancy services, including planning, programming, Litigation, and Alternative Dispute Resolution. The company covers building, marine, mining, infrastructure, energy, and other sectors. The company has segments in Europe and America, Middle East, and Asia Pacific. Maximum revenue is gained from Europe and America.
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