MIRION TECHNOLOGIES (IST) LIMITED
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Cash
£2.8m
+94.1% highest in 3 filed years
Net assets
£8.6m
+15.8% highest in 3 filed years
Employees
62
-3.1% vs 2024
Profit before tax
£1.2m
-29.3% vs 2024
Net assets
3-year trend · vs Technology 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 | £8,552,030 | £10,770,112 | £9,815,451 | -8.9% | |
| Operating profit | £167,561 | £1,615,914 | £1,122,338 | -30.5% | |
| Profit before tax | £168,745 | £1,634,756 | £1,156,287 | -29.3% | |
| Net profit | £154,566 | £1,641,513 | £1,176,985 | -28.3% | |
| Cash | £1,084,780 | £1,448,845 | £2,812,504 | +94.1% | |
| Total assets less current liabilities | £5,840,014 | £7,488,276 | £8,961,007 | +19.7% | |
| Net assets | £5,817,044 | £7,458,557 | £8,635,542 | +15.8% | |
| Equity | £5,817,044 | £7,458,557 | £8,635,542 | +15.8% | |
| Average employees | 52 | 64 | 62 | -3.1% | |
| Wages | £2,996,056 | £3,110,119 | £3,092,889 | -0.6% | |
| Directors' remuneration | — | — | — | — |
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 | 2.0% | 15.0% | 11.4% | |
| Net margin | 1.8% | 15.2% | 12.0% | |
| Return on capital employed | 2.9% | 21.6% | 12.5% | |
| Gearing (liabilities / total assets) | 30.1% | 26.1% | 26.9% | |
| Current ratio | 3.27x | 3.79x | 4.05x |
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 2 times since incorporation
- MIRION TECHNOLOGIES (IST) LIMITED 2009-01-15 → present
- IMAGING AND SENSING TECHNOLOGY LIMITED 2000-04-20 → 2009-01-15
- REES INSTRUMENTS LIMITED 1970-12-11 → 2000-04-20
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Grant Thornton UK 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 a period of 12 months from the date of approving the financial statements.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
2 active · 20 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| BLAKELAW SECRETARIES LIMITED | Corporate Secretary | 1996-10-22 | — | — |
| COCKS, James Francis Charles | Director | 2017-08-17 | Dec 1971 | British |
Show 20 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| DALRYMPLE, David Russell | Secretary | 1996-03-07 | 1996-10-22 |
| GODFREE, Alan William | Secretary | — | 1996-03-07 |
| BINETTI, Louis | Director | 1996-03-07 | 2004-05-24 |
| CLARK, Mark William | Director | — | 1996-03-07 |
| DALRYMPLE, David Russell | Director | 1996-03-07 | 2004-05-24 |
| GODFREE, Alan William | Director | — | 1996-03-07 |
| GRAFF, Brian Seth | Director | 2011-01-19 | 2015-01-21 |
| HARTMAN, Donald | Director | 2004-11-29 | 2007-06-21 |
| JOHNSON, Bryan Keith William | Director | — | 1996-03-07 |
| KLEIN, Robert J | Director | 2004-11-19 | 2010-12-07 |
| KYLES, Roy Allen | Director | 1996-03-07 | 2004-05-24 |
| LOGAN, Thomas | Director | 2007-12-07 | 2021-10-21 |
| MAHER, Sophie Elizabeth | Director | 2016-06-23 | 2017-09-13 |
| NEAL, Kenneth Ronald | Director | 2008-03-12 | 2018-08-28 |
| PONZI, Philip Charles | Director | 1996-03-07 | 2004-05-24 |
| ROSEN, Seth | Director | 2015-01-21 | 2017-07-24 |
| SIBLEY, Allen Charles | Director | 2004-05-24 | 2008-03-12 |
| SIBLEY, Allen Charles | Director | — | 1996-03-07 |
| WHEATON, Michael Henry | Director | — | 1996-03-07 |
| WILSON, Iain | Director | 2007-06-21 | 2017-07-24 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mirion Technologies (Global) Ltd | Corporate entity | Shares 75–100%, Voting 75–100% | 2016-04-06 | Active |
Filing timeline
Last 20 of 188 total filings
Material constitutional events — rename, articles re-file, resolution
- 2022-01-05 MA Memorandum articles
- 2022-01-05 RESOLUTIONS Resolution
- 2021-11-09 MA Memorandum articles
- 2021-11-09 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-10-12 | AA | accounts | Accounts with accounts type full | |
| 2026-09-16 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-09-25 | AA | accounts | Accounts with accounts type full | |
| 2025-09-23 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-10-13 | AA | accounts | Accounts with accounts type full | |
| 2024-09-11 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-10-16 | AA | accounts | Accounts with accounts type full | |
| 2023-09-18 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-01-07 | AA | accounts | Accounts with accounts type full | |
| 2022-09-20 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-01-05 | MA | incorporation | Memorandum articles | |
| 2022-01-05 | RESOLUTIONS | resolution | Resolution | |
| 2022-01-04 | AA01 | accounts | Change account reference date company previous extended | |
| 2021-11-09 | MA | incorporation | Memorandum articles | |
| 2021-11-09 | RESOLUTIONS | resolution | Resolution | |
| 2021-11-03 | PSC05 | persons-with-significant-control | Change to a person with significant control | |
| 2021-10-27 | TM01 | officers | Termination director company with name termination date | |
| 2021-09-13 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-07-09 | AA | accounts | Accounts with accounts type full | |
| 2020-09-11 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 2
- 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.