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Next accounts due

2026-08-31 (in 3mo)

Last filed for 2024-11-30

Confirmation statement due

2027-04-14 (in 11mo)

Last made up 2026-03-31

Watchouts

None on the register

Cash

£4M

-6.7% vs 2023

Net assets

£24M

-0.1% vs 2023

Employees

226

-2.2% vs 2023

Profit before tax

£5M

+5.5% vs 2023

Name history

Renamed 3 times since incorporation

  1. PORVAIR FILTRATION GROUP LIMITED 2002-11-27 → present
  2. PORVAIR TECHNOLOGY LIMITED 1993-02-26 → 2002-11-27
  3. ACCUMATIC FILTRATION LIMITED 1989-04-19 → 1993-02-26
  4. PLUSGAS BENNETT MARKETING LIMITED 1966-09-28 → 1989-04-19

Accounts

2-year trend · latest reflected 2024-11-30

Metric Trend 2023-11-302024-11-30
Turnover £33,344,000£40,901,000
Operating profit £5,081,000£5,617,000
Profit before tax £5,031,000£5,309,000
Net profit £3,777,000£3,847,000
Cash £4,042,000£3,772,000
Total assets less current liabilities £25,159,000£28,572,000
Net assets £23,797,000£23,769,000
Equity £23,797,000£23,769,000
Average employees 231226
Wages £9,885,000£10,221,000

Values shown as filed in the company's annual accounts. indicates the figure wasn't present under that line item in that period. About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2023-11-302024-11-30
Operating margin 15.2%13.7%
Net margin 11.3%9.4%
Return on capital employed 20.2%19.7%
Gearing (liabilities / total assets) 23.9%33.9%
Current ratio 2.93x2.61x
Interest cover 101.62x18.24x

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.

Audit & accounting basis

Accounting basis
FRS 101 - Reduced Disclosure Framework
Reporting scope
Standalone (parent only)
Auditor
RSM UK Audit LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“The Directors have made appropriate enquiries and reviewed the current financial position, including all the information presented in its strategic review of the business and the forecast covering the twelve months from the date of this report ("the going concern assessment period") and have considered foreseeable downsides, stress tests and scenarios. The Directors have a reasonable expectation that the Company has adequate resources to continue in operational existence for the going concern assessment period.”

Group structure

  1. PORVAIR FILTRATION GROUP LIMITED · parent
    1. Microfiltrex Limited 100% · England and Wales · dormant

Significant events

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 229 total filings

Date Type Category Description
2026-04-02 CS01 confirmation-statement Confirmation statement with no updates PDF
2025-09-02 AA accounts Accounts with accounts type full
2025-06-06 TM02 officers Termination secretary company with name termination date PDF
2025-06-06 AP03 officers Appoint person secretary company with name date PDF
2025-04-16 AP01 officers Appoint person director company with name date PDF
2025-04-15 TM01 officers Termination director company with name termination date PDF
2025-04-08 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-09-05 AA accounts Accounts with accounts type full
2024-03-31 CS01 confirmation-statement Confirmation statement with updates PDF
2023-06-13 AA accounts Accounts with accounts type full
2023-04-10 CS01 confirmation-statement Confirmation statement with no updates PDF
2022-09-01 AA accounts Accounts with accounts type full
2022-05-05 CS01 confirmation-statement Confirmation statement with no updates PDF
2021-08-14 AA accounts Accounts with accounts type full
2021-07-23 AP01 officers Appoint person director company with name date PDF
2021-07-23 TM01 officers Termination director company with name termination date PDF
2021-07-23 AP03 officers Appoint person secretary company with name date PDF
2021-07-23 TM01 officers Termination director company with name termination date PDF
2021-07-23 TM02 officers Termination secretary company with name termination date PDF
2021-06-01 MR04 mortgage Mortgage satisfy charge full PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
4

last 12 months

Capital events
0

last 24 months

Officers appointed
1

last 12 months

Officers resigned
1

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Year-on-year

FY2023 → FY2024 · period ending 2024-11-30 vs 2023-11-30

Each % is (latest − prior) ÷ |prior| for the line item as filed. The comparison is only shown when the latest and prior accounts cover broadly equal-length periods — short or long stubs (typical around incorporation or a year-end change) are suppressed rather than misrepresented. Lines a company doesn't report are omitted. About these numbers

Official Companies House page