SYNERGY HEALTH STERILISATION UK LIMITED
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Next accounts due
2026-12-31 (in 7mo)
Last filed for 2025-03-31
Confirmation statement due
2026-10-23 (in 5mo)
Last made up 2025-10-09
Watchouts
None on the register
Cash
£1K
-75% lowest in 3 filed years
Net assets
£97M
+21.2% highest in 3 filed years
Employees
238
+4.8% highest in 3 filed years
Profit before tax
£22M
+0.4% vs 2024
Name history
Renamed 3 times since incorporation
- SYNERGY HEALTH STERILISATION UK LIMITED 2011-12-01 → present
- ISOTRON LIMITED 2007-12-07 → 2011-12-01
- ISOTRON PUBLIC LIMITED COMPANY 1983-12-22 → 2007-12-07
- BRICKTRIM LIMITED 1983-11-21 → 1983-12-22
Net assets
3-year trend · vs Industrials median
Accounts
3-year trend · latest reflected 2025-03-31
| Metric | Trend | 2023-03-31 | 2024-03-31 | 2025-03-31 |
|---|---|---|---|---|
| Turnover | — | — | — | |
| Operating profit | — | — | — | |
| Profit before tax | £24,462,000 | £21,546,000 | £21,635,000 | |
| Net profit | £19,805,000 | £16,187,000 | £16,588,000 | |
| Cash | £30,000 | £4,000 | £1,000 | |
| Total assets less current liabilities | £90,896,000 | £85,395,000 | £105,663,000 | |
| Net assets | £87,734,000 | £80,296,000 | £97,335,000 | |
| Equity | £87,734,000 | £80,296,000 | £97,335,000 | |
| Average employees | 227 | 227 | 238 | |
| Wages | £10,231,000 | £11,408,000 | £13,588,000 |
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
People
3 active · 28 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| BURTON, Karen Louise | Director | 2025-11-14 | May 1967 | American |
| KOHLER, Kenneth | Director | 2025-05-15 | Jun 1962 | American |
| UBBING, John Patrick | Director | 2023-05-31 | Feb 1987 | American |
Show 28 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| MASON, Timothy Charles | Secretary | 2013-07-30 | 2014-07-23 |
| MCKENZIE-WYNNE, Derrick Paul | Secretary | — | 2010-09-01 |
| STUBBINS, David Riley | Secretary | 2010-09-01 | 2013-07-30 |
| TURNER, Jonathan Paul | Secretary | 2014-07-23 | 2017-09-08 |
| AZIZ, Jonathan Giles Ashley | Director | 2002-11-06 | 2007-04-02 |
| BARKER, John Kirk | Director | — | 2007-03-31 |
| BUCHAN, Charles Walter Edward Ralph | Director | 2003-09-01 | 2007-04-02 |
| CLIVE, Colin George | Director | — | 2003-11-05 |
| COWARD, Adrian Vincent, Dr | Director | 2010-09-01 | 2018-03-08 |
| EATON, Michael John | Director | 2016-08-11 | 2025-04-23 |
| FITZHERBERT, Charles Edward | Director | — | 2002-06-30 |
| FLETCHER, David Malcolm | Director | — | 1996-01-01 |
| HILL, Gavin | Director | 2010-04-26 | 2016-04-29 |
| JACQUES, Ivan Mark | Director | 2007-02-26 | 2010-04-26 |
| KENNEDY, George Macdonald | Director | 2002-04-25 | 2007-04-02 |
| LINCOLN, Paul Lawrence | Director | 2020-06-11 | 2023-05-31 |
| MASON, Timothy Charles | Director | 2012-02-09 | 2014-07-23 |
| MCKENZIE-WYNNE, Derrick Paul | Director | — | 2010-09-01 |
| O'NEILL, Michael Kevin | Director | 1998-01-28 | 2010-03-31 |
| RENDLE, Peter John | Director | 2017-09-08 | 2020-05-07 |
| SANTING, Paul Nigel | Director | 2002-01-28 | 2023-05-31 |
| SOMERFIELD, Kathryn Louise | Director | 2010-09-01 | 2015-12-10 |
| STEEVES, Richard Martin, Dr | Director | 2007-02-26 | 2015-11-10 |
| THOMPSON, Christopher Ronald | Director | — | 2003-10-08 |
| TOKICH, Michael Joseph | Director | 2016-06-22 | 2025-11-14 |
| TURNER, Jonathan Paul | Director | 2014-07-23 | 2017-09-08 |
| WEAVER, Christopher Giles Herron | Director | 2003-07-14 | 2007-04-02 |
| WOOLSTON, John Anthony, Dr | Director | — | 2007-06-29 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Synergy Health Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100% | 2016-04-06 | Active |
Filing timeline
Last 20 of 278 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2025-11-17 | AP01 | officers | Appoint person director company with name date | |
| 2025-11-17 | TM01 | officers | Termination director company with name termination date | |
| 2025-11-10 | AA | accounts | Accounts with accounts type full | |
| 2025-10-23 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-06-03 | AP01 | officers | Appoint person director company with name date | |
| 2025-05-22 | TM01 | officers | Termination director company with name termination date | |
| 2024-12-16 | AA | accounts | Accounts with accounts type full | |
| 2024-10-23 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-01-10 | AA | accounts | Accounts with accounts type full | |
| 2023-10-11 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-06-19 | AP01 | officers | Appoint person director company with name date | |
| 2023-06-19 | TM01 | officers | Termination director company with name termination date | |
| 2023-06-19 | TM01 | officers | Termination director company with name termination date | |
| 2023-04-11 | AA | accounts | Accounts with accounts type full | |
| 2022-10-21 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-12-20 | AA | accounts | Accounts with accounts type full | |
| 2021-10-19 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-08-31 | AD01 | address | Change registered office address company with date old address new address | |
| 2021-07-19 | CH01 | officers | Change person director company with change date | |
| 2021-01-19 | AA | accounts | Accounts with accounts type full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 0
- Officers appointed
- 2
- Officers resigned
- 1
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.
Year-on-year
FY2024 → FY2025 · period ending 2025-03-31 vs 2024-03-31
-
Turnover
—
Not reported
-
Cash
-75%
£4,000 £1,000
lowest in 3 filed years
-
Net assets
+21.2%
£80,296,000 £97,335,000
highest in 3 filed years
-
Employees
+4.8%
227 238
highest in 3 filed years
-
Profit before tax
+0.4%
£21,546,000 £21,635,000
-
Wages
+19.1%
£11,408,000 £13,588,000
highest in 3 filed years
Each % is (latest − prior) ÷ |prior| for the line item as filed. Periods don't have to be exactly 12 months apart — a long or short period (typical around incorporation or year-end changes) will distort the comparison. Lines a company doesn't report are omitted. About these numbers