TELEDYNE GAS MEASUREMENT INSTRUMENTS LIMITED
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Cash
£1.6m
-5.2% vs 2024
Net assets
£16m
+47.1% highest in 3 filed years
Employees
76
-9.5% lowest in 3 filed years
Profit before tax
£7m
+52.5% highest in 3 filed years
Net assets
3-year trend · vs Industrials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-28
| Metric | Trend | 2023-12-31 | 2024-12-29 | 2025-12-28 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £18,243,000 | £18,598,000 | £20,826,000 | +12% | |
| Operating profit | £3,858,000 | £4,255,000 | £6,381,000 | +50% | |
| Profit before tax | £3,931,000 | £4,576,000 | £6,977,000 | +52.5% | |
| Net profit | £3,008,000 | £3,428,000 | £5,088,000 | +48.4% | |
| Cash | £1,246,000 | £1,725,000 | £1,636,000 | -5.2% | |
| Total assets less current liabilities | £7,515,000 | £11,086,000 | £16,204,000 | +46.2% | |
| Net assets | £7,335,000 | £10,864,000 | £15,978,000 | +47.1% | |
| Equity | £7,335,000 | £10,864,000 | £15,978,000 | +47.1% | |
| Average employees | 92 | 84 | 76 | -9.5% | |
| Wages | £3,658,000 | £3,624,000 | £3,475,000 | -4.1% | |
| Directors' remuneration | £77,000 | £66,000 | £73,000 | +10.6% |
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 | 2024-12-29 | 2025-12-28 |
|---|---|---|---|---|
| Operating margin | 21.1% | 22.9% | 30.6% | |
| Net margin | 16.5% | 18.4% | 24.4% | |
| Return on capital employed | 51.3% | 38.4% | 39.4% | |
| Gearing (liabilities / total assets) | 26.0% | 20.0% | 19.0% | |
| Current ratio | 3.88x | 5.24x | 5.45x |
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 1 time since incorporation
- TELEDYNE GAS MEASUREMENT INSTRUMENTS LIMITED 2020-01-20 → present
- GAS MEASUREMENT INSTRUMENTS LIMITED 1947-02-04 → 2020-01-20
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Forvis Mazars LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The company meets its day to day working capital requirements through its own cash generation and through intercompany advances from the Teledyne Group.”
Group structure
- TELEDYNE GAS MEASUREMENT INSTRUMENTS LIMITED · parent
- Gas Performance Testing Services Limited 100%
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 38 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| WARGENT, Nicholas James | Secretary | 2019-08-01 | — | — |
| BELAK, Cynthia Yuson | Director | 2019-08-01 | Dec 1956 | American |
| FOURLEGNIE, Thibault Guy | Director | 2021-11-19 | Dec 1977 | French |
| WARGENT, Nicholas James | Director | 2019-08-01 | Oct 1973 | British |
Show 38 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BROWN, Ian Richard | Secretary | 2018-04-30 | 2019-08-01 |
| HUNTER, David Stuart | Secretary | 1996-07-25 | 2015-02-27 |
| JUBB, David Anthony | Secretary | 2017-10-04 | 2018-04-30 |
| MANSON, Derek Charles | Secretary | — | 1993-12-23 |
| MILNE, James George | Secretary | 1993-12-21 | 1996-07-25 |
| SCHIESER, Peter | Secretary | 2015-02-27 | 2017-10-04 |
| ALLAN, Frederick James | Director | — | 1991-04-02 |
| ALPHONSUS, Anton Bernard | Director | 2015-11-10 | 2017-03-10 |
| ASHLEY, David James | Director | 2017-10-04 | 2019-08-01 |
| AYRE, Mark | Director | 2017-08-31 | 2017-10-04 |
| BENNY, Paul Andrew | Director | 2015-02-27 | 2015-10-30 |
| BOWIE, Andrew | Director | 2015-11-10 | 2017-08-31 |
| CHAMBERS, Michael | Director | 2017-10-04 | 2018-05-31 |
| COOPER, Jonathan George | Director | 1994-11-15 | 1995-03-24 |
| CUNNINGHAM, Douglas Harry Charles | Director | 1999-09-01 | 2007-09-30 |
| DEVITA, Stephen | Director | 2019-08-01 | 2021-11-12 |
| FELDMAN, Jesse | Director | 2011-07-29 | 2015-02-27 |
| GILCHRIST, John Robert, Dr | Director | 2003-08-04 | 2005-06-17 |
| HUNTER, David Stuart | Director | 1996-07-25 | 2022-06-30 |
| LERNER, Barry | Director | 2015-02-27 | 2017-10-04 |
| MALIK, Mohammad Irfan | Director | 2017-10-04 | 2019-08-01 |
| MANSON, Derek Charles | Director | — | 2009-04-03 |
| MARKIN, Adam | Director | 2011-07-29 | 2015-02-27 |
| MCGREGOR, George | Director | 2005-06-20 | 2013-06-28 |
| MCGUIRE, Peter | Director | 2011-07-29 | 2012-07-27 |
| MILNE, James George | Director | — | 1999-08-31 |
| PEREZ-DEISBOECK, Lizette Marie | Director | 2011-07-29 | 2015-02-27 |
| RATTRAY, Alastair Fisher | Director | 1993-10-01 | 1995-03-24 |
| RATTRAY, Carolyn Aline Fleming | Director | 1993-10-01 | 1995-03-24 |
| RATTRAY, Colin Andrew Fleming | Director | — | 1993-08-15 |
| RATTRAY, Frances | Director | — | 1995-03-24 |
| RENNIE, Martin Paul | Director | 2006-07-01 | 2012-06-29 |
| ROBINSON, Mark Stephen | Director | 2008-09-15 | 2010-02-19 |
| SCHIESER, Peter | Director | 2015-02-27 | 2017-10-04 |
| SEMERCIYAN, Simla | Director | 2018-05-01 | 2019-08-01 |
| SHERIFF, James Anderson | Director | — | 2005-09-30 |
| WALLACE, Robert Calderwood | Director | 1994-02-15 | 1995-03-24 |
| WHITTAKER, Thomas Geoffrey | Director | 1995-07-11 | 2000-05-01 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Rhombi Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2021-03-11 | Active |
| Gmi Group Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2021-03-11 |
Filing timeline
Last 20 of 241 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-10-08 | AA | accounts | Accounts with accounts type full | |
| 2026-05-06 | CH01 | officers | Change person director company with change date | |
| 2026-04-07 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-09-25 | AA | accounts | Accounts with accounts type full | |
| 2025-04-03 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-09-04 | AA | accounts | Accounts with accounts type full | |
| 2024-04-03 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-07-25 | AA | accounts | Accounts with accounts type full | |
| 2023-04-03 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-09-16 | AA | accounts | Accounts with accounts type full | |
| 2022-06-30 | TM01 | officers | Termination director company with name termination date | |
| 2022-04-07 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2022-04-07 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2022-04-07 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2021-11-19 | AP01 | officers | Appoint person director company with name date | |
| 2021-11-19 | TM01 | officers | Termination director company with name termination date | |
| 2021-10-05 | AA | accounts | Accounts with accounts type full | |
| 2021-04-07 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2020-12-23 | AA | accounts | Accounts with accounts type full | |
| 2020-04-03 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 3
- 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.