INSTITUTE OF ACOUSTICS LIMITED (THE)
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Cash
£783k
-29% lowest in 3 filed years
Net assets
£1.1m
-17.1% lowest in 3 filed years
Employees
9
+28.6% highest in 3 filed years
Profit before tax
—
Period ending 2025-12-31
Net assets
3-year trend · vs Consumer Discretionary median
INSTITUTE OF ACOUSTICS LIMITED (THE)·Consumer Discretionary median
INSTITUTE OF ACOUSTICS LIMITED (THE)·Consumer Discretionary median
INSTITUTE OF ACOUSTICS LIMITED (THE)·Consumer Discretionary median
INSTITUTE OF ACOUSTICS LIMITED (THE)·Consumer Discretionary median
INSTITUTE OF ACOUSTICS LIMITED (THE)·Consumer Discretionary median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £1,252,769 | £1,296,763 | £1,276,113 | -1.6% | |
| Operating profit | -£89,821 | -£146,217 | — | — | |
| Profit before tax | -£89,821 | -£146,217 | — | — | |
| Net profit | -£89,821 | -£146,217 | -£231,921 | -58.6% | |
| Cash | £1,271,661 | £1,102,100 | £782,894 | -29% | |
| Total assets less current liabilities | £1,502,747 | £1,356,530 | £1,124,609 | -17.1% | |
| Net assets | £1,502,747 | £1,356,530 | £1,124,609 | -17.1% | |
| Equity | £1,502,747 | £1,356,530 | £1,124,609 | -17.1% | |
| Average employees | 7 | 7 | 9 | +28.6% | |
| Wages | £255,734 | £282,580 | £352,291 | +24.7% | |
| Directors' remuneration | £0 | £0 | — | — |
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 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Operating margin | -7.2% | -11.3% | — | |
| Net margin | -7.2% | -11.3% | -18.2% | |
| Return on capital employed | -6.0% | -10.8% | — | |
| Gearing (liabilities / total assets) | 13.4% | 15.8% | — | |
| Current ratio | 6.14x | 5.35x | 4.22x |
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 102
- Reporting scope
- Standalone (parent only)
- Auditor
- RAYNER ESSEX LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Trustees have a reasonable expectation that the Charity has adequate resources to continue in operational existence for the foreseeable future. The Trustees consider that there are no material uncertainties about the Charity's ability to continue as a going concern. Thus the Charity continue to adopt the going concern basis of accounting in preparing the financial statements.”
Significant events
- “The Institute is in the final stages of petitioning for a Royal Charter.”
- “The year saw the Institute run 3 face-to-face conferences: Acoustics 2025 in Milton Keynes, Auditorium Acoustics in Bristol and Reproduced Sound in Harrogate.”
- “Membership again saw a small increase from 3146 in December 2024 to 3179 in December 2025 (excluding students).”
- “Dennis Baylis our Advertisement Manager who retired June 2025, Alex Shaida who has taken on the role from Dennis.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
18 active · 112 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| CHESNEY, Allan | Secretary | 2013-01-16 | — | — |
| BRESLIN, Michael | Director | 2025-10-20 | Apr 1961 | British |
| GOODHAND, Charles Daniel | Director | 2021-07-07 | Dec 1979 | British |
| LIU, Yuyou | Director | 2020-05-14 | Jan 1977 | British |
| MAHTANI MIRCHANDANI, Reena Motilal | Director | 2020-05-14 | Oct 1983 | Spanish,British |
| MCINTYRE, James | Director | 2023-10-16 | Jul 1970 | British |
| NIXON, Josephine Emma | Director | 2025-10-20 | Aug 1989 | British |
| NOTLEY, Hilary | Director | 2022-08-24 | Dec 1974 | British |
| PERKINS, Richard Adrian | Director | 2023-10-16 | Aug 1972 | British |
| ROGERS, Peter James | Director | 2022-08-24 | Jun 1970 | British |
| ROGERSON, Fiona Elizabeth | Director | 2020-05-14 | Jun 1970 | British |
| SAUNDERS, Daniel Krzysztof | Director | 2024-09-12 | Jan 1978 | British |
| SCAIFE, Mark Peter | Director | 2024-09-12 | Oct 1974 | British |
| SHIELDS, Paul James | Director | 2024-09-12 | May 1966 | British |
| SOMERVILLE, Alistair William Mcintosh | Director | 2020-05-14 | Dec 1954 | British |
| TORJUSSEN, Matthew Charles | Director | 2023-10-16 | Jun 1986 | British |
| WADDINGTON, David Charles, Prof | Director | 2022-08-24 | Jan 1965 | British |
| WEBB, Laura Josette | Director | 2024-09-12 | Jan 1965 | British |
Show 112 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BRATBY, Roy Douglas | Secretary | 1997-11-01 | 2006-03-30 |
| MACAN-LIND, Kevin Mark | Secretary | 2006-03-30 | 2012-09-07 |
| MACKENZIE, Catherine May | Secretary | — | 1997-10-31 |
| ORLOWSKI, Rafal John | Secretary | 2001-05-23 | 2007-06-05 |
| AINSWORTH, William Anthony, Dr | Director | — | 1994-04-20 |
| ANKERS, Michael Stanley | Director | — | 1994-04-20 |
| ANTONIO, Nicholas | Director | 2003-05-15 | 2007-06-05 |
| BARLOW, Chris, Dr | Director | 2019-05-13 | 2025-10-21 |
| BEAMISH, Louise D'Ann | Director | 2009-04-28 | 2013-07-02 |
| BENNETT, Stuart Charles | Director | — | 1996-04-17 |
| BERKTAY, Hasan Orhan, Professor | Director | — | 1990-03-28 |
| BERRY, Bernard Frederick | Director | 2001-05-23 | 2007-06-05 |
| BERRY, Bernard Frederick | Director | — | 2000-04-17 |
| BROUGHTON, Keith Austin | Director | 2001-05-23 | 2007-06-05 |
| BROUGHTON, Keith Austin | Director | 1992-10-08 | 2000-04-17 |
| BUDD, Anne Louise | Director | 2011-08-04 | 2015-08-14 |
| BULL, David George | Director | 1998-06-09 | 2002-03-25 |
| BURD, Alexander Nicolson | Director | 1992-05-19 | 2000-04-17 |
| CAMPBELL, Ian James | Director | 1996-04-17 | 2005-04-19 |
| CHARLES, Jeffrey Gwilym | Director | 1994-04-20 | 1997-05-20 |
| CHIVERS, Robert Christopher, Dr | Director | — | 1996-11-21 |
| COGGER, Nigel David, Dr | Director | 2010-05-27 | 2013-09-26 |
| COX, Trevor John, Professor | Director | 2008-05-14 | 2014-07-08 |
| COX, Trevor John, Professor | Director | 2001-05-23 | 2007-06-05 |
| CRAIK, Robert John Mcarthur, Professor | Director | 1997-05-20 | 2006-05-07 |
| CRAIK, Robert John Mcarthur, Professor | Director | 1993-04-22 | 1996-04-17 |
| DAVIES, William Jonathan, Professor | Director | 2010-05-27 | 2016-09-05 |
| DIBBLE, Kenneth | Director | 2009-04-28 | 2014-07-08 |
| DOBBINS, Peter Francis, Dr | Director | 1992-05-17 | 2000-04-17 |
| EGAN, William Edward | Director | 2012-06-15 | 2018-09-13 |
| ENGLISH, Colin Edward | Director | 1997-05-20 | 2010-05-26 |
| FAHY, Francis John, Professor | Director | — | 1991-04-16 |
| FENECH, Benjamin | Director | 2019-05-13 | 2023-10-16 |
| FOTHERGILL, Leslie Charles, Dr | Director | 1992-05-19 | 1995-05-10 |
| GIBBS, Barry Marshall, Prof | Director | 2016-09-05 | 2022-07-23 |
| GIBBS, Barry Marshall, Prof | Director | 1998-06-09 | 2007-06-05 |
| GLASGOW, James | Director | 2016-09-05 | 2018-09-13 |
| GOODHAND, Charles Daniel | Director | 2017-07-27 | 2019-05-13 |
| GREENLAND, Emma, Dr | Director | 2010-05-27 | 2014-09-09 |
| GRIMWOOD, Colin John | Director | 1997-05-12 | 2006-05-07 |
| HEALD, Gary, Prof | Director | 2022-06-24 | 2023-10-16 |
| HEALD, Gary John, Dr | Director | 2005-04-19 | 2007-06-05 |
| HEMPSTOCK, Thomas Ian, Dr | Director | — | 1990-03-28 |
| HILL, Christopher Anthony, Dr | Director | 1992-05-19 | 1998-06-09 |
| HILL, James Matthew | Director | 2018-09-13 | 2024-09-12 |
| HINTON, John Frederick | Director | 2006-05-17 | 2012-06-15 |
| HOLLAND, Keith, Dr | Director | 2014-07-08 | 2023-10-16 |
| HOROSHENKOV, Kirill Vsacheslavovich, Prof | Director | 2007-06-05 | 2009-04-28 |
| HOTHERSALL, David Charles, Dr | Director | — | 1995-05-10 |
| HUMPHREY, Victor Frederick, Prof | Director | 2007-06-05 | 2010-05-26 |
| HURST, Christopher John | Director | 2019-05-13 | 2020-12-09 |
| JACKSON, Geoffrey Michael, Dr | Director | — | 1990-03-28 |
| JONES, Anthony John, Doctor | Director | 2002-03-25 | 2008-05-14 |
| JONES, Anthony John, Doctor | Director | 1995-05-10 | 2001-05-23 |
| KANG, Jian | Director | 2006-05-17 | 2012-06-15 |
| KERRY, Geoffrey | Director | 2011-08-04 | 2016-09-05 |
| KERRY, Geoffrey | Director | 2000-04-17 | 2007-01-18 |
| KERRY, Geoffrey | Director | — | 1998-06-09 |
| LAMACRAFT, Angela | Director | 2019-05-13 | 2025-10-21 |
| LEIGHTON, Timothy Grant, Professor | Director | 2004-05-13 | 2007-06-05 |
| LEIGHTON, Timothy Grant, Professor | Director | 2000-04-17 | 2003-05-15 |
| LEPPER, Paul Andrew, Dr | Director | 2015-09-14 | 2024-09-12 |
| LEPPER, Paul Andrew, Dr | Director | 2012-06-15 | 2014-07-08 |
| LESTER, Martin Richard, Dr | Director | 2016-09-05 | 2024-09-12 |
| LESTER, Martin Richard | Director | 2007-06-05 | 2015-09-14 |
| LEWIS, David Norwood | Director | 2006-05-17 | 2010-05-26 |
| LORD, Peter, Professor | Director | — | 1994-04-20 |
| LOWERY, Pamela | Director | 2017-07-27 | 2019-05-13 |
| MACKENZIE, Richard Graeme | Director | 2011-08-04 | 2017-07-27 |
| MALPAS, Paul Royston | Director | 2009-04-28 | 2011-08-04 |
| MCCULLAGH, Gerald Charles, Doctor | Director | 2000-04-17 | 2005-10-12 |
| MCKELL, Bernadette, Dr | Director | 2004-05-13 | 2010-05-26 |
| MITSON, Ronald Bert | Director | — | 1990-03-28 |
| MOORE, Roger Kenneth, Prof | Director | — | 1993-04-22 |
| NELSON, Philip Arthur, Professor | Director | 1991-04-16 | 2000-04-17 |
| NOTLEY, Hilary | Director | 2013-07-02 | 2019-05-13 |
| ORLOWSKI, Rafal John | Director | 2001-05-23 | 2007-06-05 |
| PARRY, Graham | Director | 2016-09-05 | 2022-08-24 |
| PARRY, Graham Alfred | Director | 2011-08-04 | 2015-09-13 |
| PARSONS, Claire | Director | 2015-09-14 | 2017-07-27 |
| PERKINS, Richard Adrian | Director | 2010-05-27 | 2016-09-05 |
| PETERS, Robert Julian, Dr | Director | — | 1998-06-09 |
| RICE, Christopher George, Professor | Director | — | 1992-05-19 |
| RICHARDSON, Bernard Ellis, Dr | Director | — | 1992-05-19 |
| RICHARDSON, Russell James | Director | 2013-09-26 | 2020-05-14 |
| RIDLER, Susan Anne | Director | — | 1992-05-19 |
| ROBERTS, John Peter, Professor | Director | — | 1991-04-16 |
| ROGERS, Peter James | Director | 2014-07-08 | 2020-05-14 |
| ROGERS, Peter James | Director | 2007-06-05 | 2011-08-04 |
| SAGOO, Hardial Singh, Dr | Director | 2020-05-14 | 2022-08-24 |
| SHANKS, Emma | Director | 2015-09-14 | 2020-05-14 |
| SHIELD, Bridget, Prof | Director | 2007-06-05 | 2016-09-05 |
| SHIELD, Bridget Mary, Professor | Director | 1996-04-17 | 2005-04-19 |
| SMITH, Brian Victor, Dr | Director | — | 1992-05-19 |
| SOMERVILLE, Alistair William Mcintosh | Director | 2010-05-27 | 2016-09-05 |
| SOMERVILLE, Alistair William Mcintosh | Director | 2000-04-17 | 2009-04-28 |
| STEWART, Vicky | Director | 2016-09-05 | 2022-08-24 |
| TATHAM, Marcel Andre Armand, Dr | Director | 1995-05-10 | 2004-05-13 |
| THORNE, Peter Derrick, Professor | Director | 2007-06-05 | 2011-08-04 |
| TURNER, Stephen William | Director | 2018-09-13 | 2024-09-12 |
| TURNER, Stephen William | Director | 2005-04-19 | 2011-08-04 |
| TURNER, Stephen William | Director | 1996-04-17 | 2004-05-13 |
| TYLER, Richard Graham | Director | 2006-05-17 | 2010-05-26 |
| WALLIS, Alan Dudley | Director | — | 1995-05-10 |
| WALLIS, Daren Simon | Director | 2015-09-14 | 2020-05-14 |
| WATSON, Richard | Director | 2017-07-27 | 2019-05-13 |
| WATTS, David Lewis | Director | 2011-08-04 | 2017-07-27 |
| WEBB, Laura Josette | Director | 2014-07-08 | 2020-05-14 |
| WEBB, Laura Josette | Director | 2007-06-05 | 2011-08-04 |
| WHEELER, Peter David, Dr | Director | 1991-04-16 | 1998-06-09 |
| WHITE, Robert George, Prof | Director | 1998-06-09 | 2000-10-05 |
| WILLIAMS, Briony, Dr | Director | 2007-06-05 | 2009-04-28 |
Ownership
Persons with significant control
No persons with significant control on record.
Filing timeline
Last 20 of 369 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-07-24 | AA | accounts | Accounts with accounts type full | |
| 2026-02-12 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-02-09 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-02-09 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-23 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-17 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-17 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-17 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-17 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-01-17 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2025-10-28 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-28 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-23 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-23 | TM01 | officers | Termination director company with name termination date | |
| 2025-07-22 | AA | accounts | Accounts with accounts type full | |
| 2025-01-03 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-09-26 | AP01 | officers | Appoint person director company with name date | |
| 2024-09-26 | AP01 | officers | Appoint person director company with name date | |
| 2024-09-26 | AP01 | officers | Appoint person director company with name date | |
| 2024-09-25 | AP01 | officers | Appoint person director company with name date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 14
- Capital events
- 0
- Officers appointed
- 2
- Officers resigned
- 2
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.