profit from every £100 of sales.
£0£100
Porvair
£8.56-2.06% today
+11.7% in 1 year
1-year low £6.901-year high £9.06
Trading in the middle of its range for the past year.
The essentials
Four questions every investor asks, answered in one line each.
more sales each year, on average, 2022 to 2025.
0%20% a year
You pay £21.79 for every £1 of profit it makes in a year.
CheapExpensive
It holds more cash than debt.
No debt5 years
Money in, money out
What Porvair sold, what it kept, and what it did with the cash.
Sales went from £173 million in 2022 to £194 million in 2025, with £18.1 million of profit last year.
SalesProfit
Porvair handed back 18% of the cash it generated last year.
£3M
Free cash flow 2025£16M
Bought back its own shares–
Paid as dividends£3M
Cash vs. debt£23M vs. £14M
Porvair vs. similar companies
Porvair grows in the middle of these 5 and is priced in the middle for its profits.
| Company | Profit from £100 of sales | Sales growth a year | Price per £1 of profit |
|---|---|---|---|
| Porvair | 21.8× · Fair price | ||
 Canmax Technologies | 75.9× · Very expensive | ||
 Kurita Water Industries | 29.7× · Fair price | ||
 Zijin Longking | 21.1× · Fair price | ||
 Organo | 17.5× · Fair price |
AI analysis
An AI analyst reads Porvair's last five years, its segments, earnings, insiders and peers, and writes the bull case, the bear case and what the price expects.
Run the AI analysisFull statementsIncome, balance sheet and cash flow, year by year
Income statement
| In millions of GBP | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 173 | 176 | 193 | 194 | |
| 59 | 62 | 65 | 69 | |
| 20 | 21 | 23 | 24 | |
| 26 | 28 | 30 | 32 | |
| 15 | 16 | 16 | 18 | |
| 0.32 | 0.35 | 0.36 | 39.30 | |
| 34.2% | 35.4% | 33.8% | 35.4% | |
| 11.5% | 12.1% | 11.8% | 12.6% | |
| 8.5% | 9.1% | 8.6% | 9.4% |
Balance sheet
| In millions of GBP | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Total assets | 188 | 196 | 215 | 224 |
| Cash | 18 | 17 | 16 | 23 |
| Total debt | 11 | 16 | 20 | 14 |
| Total liabilities | 57 | 56 | 62 | 56 |
| 131 | 140 | 153 | 168 | |
| 46 | 46 | 46 | 46 | |
| 10.3% | 10.1% | 9.8% | 10.0% | |
| 11.2% | 11.4% | 10.8% | 10.8% |
Cash flow
| In millions of GBP | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 18 | 21 | 22 | 24 | |
| 5 | 5 | 5 | 8 | |
| 13 | 16 | 16 | 16 | |
| Dividends paid | 2 | 3 | 3 | 3 |
| – | – | – | – | |
| 1 | 1 | 1 | 1 |
Valuation
- 21.8×
- –
- 0.05
- 2.2×
- 2.0×
- 24.6×
- 11.9×
- 4.1%
- 4.6%
- 0.7%
Profitability
- 35.4%
- 12.6%
- 9.4%
- –
- 10.0%
- 10.0%
- –
- –
- –
- –
Growth
- +4.0%
- +397.1%
- –
- –
- +0.2%
Financial health
- -0.3×
- 0.09
- –
- 23.6×
- 2.54
- –
- –
How it ranks in Industrials
Each dot is where the company stands among every company over $300M in the sector. Further right is better.
Top 35%of 982
Top 28%of 991
Bottom 49%of 875
Bottom 35%of 988
Top 47%of 988
0.7%of the share price, paid each year
On $1,000 invested$7a year at today's yield, before tax
–per share
Raised–not every year
How safe it looks
16.3% of its profit
Room to growStretchedMore than it earns: 18.3%
News
No recent news on file.
Insider trades
Our insider feed has not updated since May 26, 2026. Trades filed after that are not listed yet.
No insider trades on file.
The seven classic investing rulebooks
2/7Passes 2 of 7. Each bar is how well the company fits that investor's published rules, from 0 to 100; 60 or more counts as a pass.
Warren Buffett
63Pass
Benjamin Graham
66Pass
Philip Fisher
46No pass
Peter Lynch
51No pass
Joel Greenblatt
33No pass
Charlie Munger
48No pass
Terry Smith
40No pass
Questions about Porvair
Is Porvair a good stock to buy?
A solid business at a fair price. 2 of the 7 famous investors' published rulebooks we apply pass it. Whether it suits you depends on your goals and the price you pay; invest-like never tells anyone to buy or sell. The AI analysis lays out the case for and against. Read the Porvair AI analysis
What does Porvair do?
Porvair plc engages in the filtration, laboratory, and environmental technology business. It operates through three segments: Aerospace & Industrial, Laboratory, and Metal Melt Quality. It is in Pollution & Treatment Controls, based in King's Lynn, United Kingdom, with 992 employees.
Does Porvair pay a dividend?
Yes. At today's price the dividend is 0.7% a year, about 16% of its yearly profit. In 2025 it paid out £2.95 million in dividends.
Is Porvair stock halal?
Yes. Porvair passes our halal screen: its business is permitted and its debt is 4% of its market value, under the 30% limit. How we check
How has Porvair stock done over the past year?
Up 11.7% over the past twelve months, to £8.56. It traded between £6.90 and £9.06 and is 5.5% below its high.
Who are Porvair's competitors?
The largest listed companies in the same industry are Canmax Technologies, Kurita Water Industries, Zijin Longking and Organo. The peers table on this page compares their profit, growth and price with Porvair's.
Prices: daily closes to Nov 13, 2026. Fundamentals: company reports via invest-like data.