PORVAIR FILTRATION GROUP LIMITED
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Cash
£2.4m
-36.5% lowest in 3 filed years
Net assets
£24m
+2% highest in 3 filed years
Employees
230
+1.8% vs 2024
Profit before tax
£3.8m
-27.8% lowest in 3 filed years
Net assets
3-year trend · vs Basic Materials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-11-30
| Metric | Trend | 2023-11-30 | 2024-11-30 | 2025-11-30 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £33,344,000 | £40,901,000 | £37,107,000 | -9.3% | |
| Operating profit | £5,081,000 | £5,617,000 | £4,104,000 | -26.9% | |
| Profit before tax | £5,031,000 | £5,309,000 | £3,833,000 | -27.8% | |
| Net profit | £3,777,000 | £3,847,000 | £2,817,000 | -26.8% | |
| Cash | £4,042,000 | £3,772,000 | £2,395,000 | -36.5% | |
| Total assets less current liabilities | £25,159,000 | £28,572,000 | £29,045,000 | +1.7% | |
| Net assets | £23,797,000 | £23,769,000 | £24,236,000 | +2% | |
| Equity | £23,797,000 | £23,769,000 | £24,236,000 | +2% | |
| Average employees | 231 | 226 | 230 | +1.8% | |
| Wages | £9,885,000 | £10,221,000 | £10,492,000 | +2.7% | |
| Directors' remuneration | £653,000 | £770,000 | £914,000 | +18.7% | |
| Directors' pension contributions | £78,000 | £90,000 | £52,000 | -42.2% | |
| Highest paid director | £265,000 | £353,000 | £448,000 | +26.9% |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-11-30 | 2024-11-30 | 2025-11-30 |
|---|---|---|---|---|
| Operating margin | 15.2% | 13.7% | 11.1% | |
| Net margin | 11.3% | 9.4% | 7.6% | |
| Return on capital employed | 20.2% | 19.7% | 14.1% | |
| Gearing (liabilities / total assets) | 23.9% | 33.9% | 35.6% | |
| Current ratio | 2.93x | 2.61x | 2.37x | |
| Interest cover | — | 18.24x | 15.14x |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Name history
Renamed 3 times since incorporation
- PORVAIR FILTRATION GROUP LIMITED 2002-11-27 → present
- PORVAIR TECHNOLOGY LIMITED 1993-02-26 → 2002-11-27
- ACCUMATIC FILTRATION LIMITED 1989-04-19 → 1993-02-26
- PLUSGAS BENNETT MARKETING LIMITED 1966-09-28 → 1989-04-19
Audit & accounting basis
- Accounting basis
- FRS 101
- Reporting scope
- Standalone (parent only)
- Auditor
- RSM UK Audit LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Directors have a reasonable expectation that the Company has adequate resources to continue in operational existence for the going concern assessment period. The Company has the full financial support, including a letter of support, from its ultimate parent, Porvair plc... The Company therefore continues to adopt the going concern basis in preparing its financial statements.”
Group structure
- PORVAIR FILTRATION GROUP LIMITED · parent
- Microfiltrex Limited 100%
Significant events
- “The business has a strong order book for deliveries in the next 12 months, a resilient supplier network and a strong balance sheet with a significant cash balance of £3.3 million as at 31 May 2026.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
7 active · 31 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| DOUGLASS, Andrew Stephen | Secretary | 2025-06-06 | — | — |
| BOXALL, Ian Stuart | Director | 2012-09-25 | Sep 1963 | British |
| CAMAN JAVVI, Hooman | Director | 2025-04-15 | Aug 1987 | Swedish,Iranian |
| HUGHES, Michael John | Director | 2021-01-21 | Jan 1964 | British |
| LIDDELL, Thomas Mark | Director | 2008-04-07 | Feb 1975 | British |
| MELLOR, David Malcolm | Director | 2011-01-31 | Aug 1979 | British |
| MILLS, James Alan | Director | 2021-07-23 | Jun 1973 | British |
Show 31 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BEECH, Christiaan Nicklaas | Secretary | 2008-03-14 | 2013-08-06 |
| DAVIS, Stephen Michael | Secretary | 1999-07-20 | 2002-11-06 |
| HOWIE, Philip Robert Sutherland | Secretary | — | 1992-07-30 |
| INGLIS, James Cormack | Secretary | 1996-01-17 | 1999-07-20 |
| ROBINSON, James Frederick | Secretary | 2002-11-06 | 2008-03-14 |
| RODGERS, Simon Jon, Dr | Secretary | 2013-08-06 | 2021-07-23 |
| SYMONDS, Kenneth John | Secretary | 1992-07-30 | 1996-07-15 |
| TYLER, Christopher Patric | Secretary | 2021-07-23 | 2025-06-06 |
| AMEY, David | Director | 2001-05-01 | 2016-04-30 |
| BINGHAM, Lewis Gordon | Director | — | 1996-07-15 |
| BRIGHT, Nigel John | Director | 1998-09-09 | 2001-05-01 |
| BUSSON, Alan Paul | Director | 1991-08-31 | 1992-07-30 |
| DAVIS, Stephen Michael | Director | 2001-05-01 | 2008-03-31 |
| DAVIS, Stephen Michael | Director | 1996-07-15 | 1999-07-20 |
| ELLIS, Stephen John | Director | 1996-01-17 | 1998-03-31 |
| GRAY, John James | Director | 1997-12-05 | 1998-07-31 |
| INGLIS, James Cormack | Director | 1996-01-17 | 2001-05-01 |
| JENKINSON, James William Buchanan | Director | 2000-08-09 | 2001-09-06 |
| MORAN, Mark | Director | 1998-09-09 | 2004-01-31 |
| MORGAN, John Mansel | Director | — | 1999-07-20 |
| PARKS, Andrew Duncan | Director | 1996-07-15 | 2000-08-07 |
| ROBERTS, Warwick Reginald, Dr | Director | — | 1991-08-31 |
| ROBINSON, James Frederick | Director | 2001-05-01 | 2011-01-31 |
| SEXTON, John Stirling, Dr | Director | 2001-05-01 | 2007-12-31 |
| SPRY, Sally Lane | Director | 1991-10-14 | 1992-07-30 |
| STIRLING, Ian | Director | 2001-09-27 | 2021-07-23 |
| STOCKS, Benjamin Denys William | Director | 1998-09-09 | 2025-04-15 |
| STRINGER, Phillip George | Director | 1996-01-07 | 1998-02-24 |
| SYMONDS, Kenneth John | Director | 1992-07-30 | 1996-07-15 |
| TYLER, Christopher Patric | Director | 2004-09-06 | 2021-07-23 |
| WELLS, Stuart | Director | 2013-03-26 | 2020-07-17 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Porvair Filtration Limited | Corporate entity | Shares 75–100% | 2016-04-06 | Active |
Filing timeline
Last 20 of 233 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-08-13 | AA | accounts | Accounts with accounts type full | |
| 2026-07-22 | TM01 | officers | Termination director company with name termination date | |
| 2026-07-22 | TM01 | officers | Termination director company with name termination date | |
| 2026-07-22 | AP01 | officers | Appoint person director company with name date | |
| 2026-04-02 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-09-02 | AA | accounts | Accounts with accounts type full | |
| 2025-06-06 | TM02 | officers | Termination secretary company with name termination date | |
| 2025-06-06 | AP03 | officers | Appoint person secretary company with name date | |
| 2025-04-16 | AP01 | officers | Appoint person director company with name date | |
| 2025-04-15 | TM01 | officers | Termination director company with name termination date | |
| 2025-04-08 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-09-05 | AA | accounts | Accounts with accounts type full | |
| 2024-03-31 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2023-06-13 | AA | accounts | Accounts with accounts type full | |
| 2023-04-10 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-09-01 | AA | accounts | Accounts with accounts type full | |
| 2022-05-05 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-08-14 | AA | accounts | Accounts with accounts type full | |
| 2021-07-23 | AP01 | officers | Appoint person director company with name date | |
| 2021-07-23 | TM01 | officers | Termination director company with name termination date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.