Porvair (LSE:PRV) Interest Coverage: 30.68 (As of Nov. 2025) — 68% Above Median


LSE:PRV Porvair PLC LSE:PRV
93 GF Score
Price £8.50
GF Value £7.57
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Porvair Interest Coverage?

Porvair LSE:PRV +4.17% 93 Interest Coverage is 30.68 as of Nov. 2025, which is 68% above its 10-year median of 18.24. GuruFocus rates LSE:PRV with a GF Score™ of 93/100 and a GF Value™ of £7.57 (Modestly Overvalued). The stock has 1 warning sign investors should review. Among 2,329 Industrial Products companies, Porvair ranks better than 59.47% on this metric.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income by its Interest Expense. Porvair's Operating Income for the six months ended in Nov. 2025 was £12.5 Mil. Porvair's Interest Expense for the six months ended in Nov. 2025 was £-0.4 Mil. Porvair's interest coverage for the quarter that ended in Nov. 2025 was 30.68. The higher the ratio, the stronger the company's financial strength is.

The historical rank and industry rank for Porvair's Interest Coverage or its related term are showing as below:

LSE:PRV' s Interest Coverage Range Over the Past 10 Years
Min: 12.54   Med: 18.24   Max: 23.75
Current: 23.75


LSE:PRV's Interest Coverage is ranked better than
59.47% of 2329 companies
in the Industrial Products industry
Industry Median: 14.79 vs LSE:PRV: 23.75

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.


Porvair  (LSE:PRV) Interest Coverage Explanation

Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.

Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .


Porvair Interest Coverage Related Terms


Porvair Interest Coverage Historical Data

* Premium members only.

The historical data trend for Porvair's Interest Coverage 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.

Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.

Porvair Interest Coverage Chart

Porvair Annual Data
Trend Nov16 Nov17 Nov18 Nov19 Nov20 Nov21 Nov22 Nov23 Nov24 Nov25
Interest Coverage
Get a 7-Day Free Trial Premium Member Only Premium Member Only 18.19 22.23 23.32 14.20 23.75

Porvair Semi-Annual Data
May16 Nov16 May17 Nov17 May18 Nov18 May19 Nov19 May20 Nov20 May21 Nov21 May22 Nov22 May23 Nov23 May24 Nov24 May25 Nov25
Interest Coverage 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 20.23 11.44 18.94 19.21 30.68

LSE:PRV vs VLTO, ZWS, CECO: Interest Coverage Comparison

For the Pollution & Treatment Controls subindustry, Porvair's Interest Coverage, along with its competitors' market caps and Interest Coverage 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.


Porvair Interest Coverage vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Porvair's Interest Coverage distribution charts can be found below:

* The bar in red indicates where Porvair's Interest Coverage falls into.


LSE:PRV
93GF Score
Porvair PLC LSE:PRV
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Porvair Interest Coverage Calculation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:

If Interest Expense is negative and Operating Income is positive, then

Interest Coverage=-1* Operating Income /Interest Expense

Else if Interest Expense is negative and Operating Income is negative, then

The company did not have earnings to cover the interest expense.

Else if Interest Expense is 0 and Long-Term Debt & Capital Lease Obligation is 0, then

The company had no debt (1).


Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Porvair's Interest Coverage for the fiscal year that ended in Nov. 2025 is calculated as

Here, for the fiscal year that ended in Nov. 2025, Porvair's Interest Expense was £-1.0 Mil. Its Operating Income was £24.5 Mil. And its Long-Term Debt & Capital Lease Obligation was £12.0 Mil.

Interest Coverage=-1* Operating Income (A: Nov. 2025 )/Interest Expense (A: Nov. 2025 )
=-1*24.464/-1.03
=23.75

Porvair's Interest Coverage for the quarter that ended in Nov. 2025 is calculated as

Here, for the six months ended in Nov. 2025, Porvair's Interest Expense was £-0.4 Mil. Its Operating Income was £12.5 Mil. And its Long-Term Debt & Capital Lease Obligation was £12.0 Mil.

Interest Coverage=-1* Operating Income (Q: Nov. 2025 )/Interest Expense (Q: Nov. 2025 )
=-1*12.516/-0.408
=30.68

* 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.

The higher the ratio, the stronger the company's Financial Strength is.

Frequently Asked Questions Learn more about Interest Coverage →
What does a Interest Coverage of 30.68 mean?
Porvair (LSE:PRV) has a Interest Coverage of 30.68 as of Nov. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Porvair and its competitors. This is 68% above median its historical median of 18.24. Over the past decade, Porvair's Interest Coverage has ranged from 12.54 to 23.75. According to the industry distribution chart, Porvair ranks #944 out of 2329 companies in the Industrial Products industry, placing it in the top 40.5%.
Is Porvair's Interest Coverage too high?
Porvair's current Interest Coverage of 30.68 is 68% above median its 10-year median of 18.24. Over the past 10 years, this metric has ranged from a low of 12.54 to a high of 23.75. The Industrial Products industry median Interest Coverage is 14.79. Porvair's value of 30.68 is 107.4% above this industry median. Based on the distribution chart, Porvair ranks #944 out of 2329 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Porvair has a GF Score™ of 93/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Porvair's Interest Coverage compare to VLTO and ZWS?
According to the Industrial Products industry distribution chart, Porvair ranks #944 out of 2329 companies for Interest Coverage. This puts Porvair in the upper half of its industry. The industry median Interest Coverage is 14.79. Porvair's value of 30.68 is 107.4% above this benchmark. Historically, Porvair's own Interest Coverage has ranged from 12.54 to 23.75 over the past decade. While the company's 10-year median is 18.24 vs. the industry median of 14.79, Porvair 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 Interest Coverage for an Industrial Products company?
The median Interest Coverage among Industrial Products companies is 14.79, based on 2,329 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Porvair's current Interest Coverage of 30.68 is 107.4% 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 Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Porvair and its competitors. For the Industrial Products industry, the median Interest Coverage is 14.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Porvair's current Interest Coverage is 30.68, which is 68% above median its own 10-year median of 18.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Porvair stock overvalued right now?
Based on GuruFocus' analysis, Porvair (LSE:PRV) is currently considered Modestly Overvalued. The stock's GF Value™ is £7.57, compared to a current price of £8.50 — trading 12.3% above its estimated fair value. The current Interest Coverage is 30.68, which is 68% above median its 10-year median of 18.24 and 107.4% above the Industrial Products industry median of 14.79. Porvair's overall GF Score™ is 93/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For Porvair (LSE:PRV), the current Interest Coverage is 30.68 as of Nov. 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 Porvair (LSE:PRV) Overvalued in 2026?

Based on GuruFocus' analysis, Porvair stock appears to be overvalued. The current stock price of £8.50 is trading 12.3% above its estimated GF Value™ of £7.57. GuruFocus considers Porvair to be Modestly Overvalued.

Key valuation signals for LSE:PRV:

  • Interest Coverage: 30.68 (68% above median its 10-year median of 18.24)
  • GF Value™: £7.57 vs. price of £8.50 (12.3% above fair value)
  • GF Score™: 93/100 with 1 warning sign
  • Industry Position: 107.4% above the Industrial Products median (#944 of 2329)

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


Porvair Business Description

Other Exchanges PVARF:USAPRVl:UK
Address 7 Regis Place, Bergen Way, King\'s Lynn, Norfolk, GBR, PE30 2JN
Porvair PLC is an environmental treatment control company. It develops filtration solutions to be used by various types of industries. The company caters to its clients through three divisions: Aerospace and Industrial, Laboratory, and Metal Melt Quality. The Aerospace and Industrial Division is a key revenue generator, principally serving the aviation, energy, and industrial markets. Laboratory Division principally serving the bioscience and environmental laboratory instrument and consumables market. Metal Melt Quality Division principally serves the world aluminium, North American Free Trade Agreement (NAFTA), iron foundry, and superalloys markets. The company generates the majority of its manufacturing revenue from sales in the United States.
93GF Score

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

£8.50
Price
£7.57
GF Value