PROTHERICS UK LIMITED
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Next accounts due
2027-09-30 (in 1y)
Last filed for 2025-12-31
Confirmation statement due
2026-11-27 (in 6mo)
Last made up 2025-11-13
Watchouts
None on the register
Cash
£10M
+86% vs 2024
Net assets
£59M
-80.7% vs 2024
Employees
140
+0.7% vs 2024
Profit before tax
-£243M
-1,187.6% vs 2024
Name history
Renamed 2 times since incorporation
- PROTHERICS UK LIMITED 1999-11-02 → present
- THERAPEUTIC ANTIBODIES UK LTD. 1998-02-06 → 1999-11-02
- THERAPEUTIC ANTIBODIES U.K. LTD. 1997-11-12 → 1998-02-06
Net assets
2-year trend · vs Health Care median
Accounts
2-year trend · latest reflected 2025-12-31
| Metric | Trend | 2024-12-31 | 2025-12-31 |
|---|---|---|---|
| Turnover | £54,482,000 | £24,271,000 | |
| Operating profit | £20,041,000 | £8,955,000 | |
| Profit before tax | £22,316,000 | -£242,712,000 | |
| Net profit | £16,732,000 | -£245,498,000 | |
| Cash | £5,335,000 | £9,921,000 | |
| Total assets less current liabilities | £305,414,000 | £60,101,000 | |
| Net assets | £304,323,000 | £58,825,000 | |
| Equity | £304,323,000 | £58,825,000 | |
| Average employees | 139 | 140 | |
| Wages | £6,168,000 | £6,796,000 |
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 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|
| Operating margin | 36.8% | 36.9% | |
| Net margin | 30.7% | -1011.5% | |
| Return on capital employed | 6.6% | 14.9% | |
| Current ratio | 5.73x | 1.66x | |
| Interest cover | 691.07x | 814.09x |
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
- Reporting scope
- Standalone (parent only)
- Auditor
- Kreston Reeves Audit LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“On the basis of current financial projections and cash resources and facilities available, and after making due enquiries, the directors have a reasonable expectation that the Company has adequate resources to continue to operate for the foreseeable future. For this reason, they continue to adopt the going concern basis in preparing 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 · 28 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| JENKINSON, Samuel | Director | 2022-07-01 | Oct 1976 | British |
| PATEL, Janit Vishnuprasad | Director | 2025-01-01 | Sep 1969 | British |
Show 28 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BROWN, Vance Ronald | Secretary | 2020-02-28 | 2021-03-01 |
| COLLIER, Paul Robert | Secretary | 1998-01-09 | 2008-06-16 |
| JOHNSTON, Elaine Maureen | Secretary | 2019-01-11 | 2020-02-28 |
| JONES, Lygia Jane | Secretary | 2018-10-02 | 2019-01-11 |
| JONES, Lygia Jane | Secretary | 2012-02-15 | 2016-09-20 |
| MADDOX, Peter Geoffrey | Secretary | 2009-03-16 | 2012-02-15 |
| MCINTYRE, Ian William Robert | Secretary | 1997-11-12 | 1998-01-09 |
| MORRIS, David Charles | Secretary | 2016-09-20 | 2018-10-02 |
| VICKERS, Julie Alison | Secretary | 2008-06-16 | 2009-03-16 |
| ABOGADO NOMINEES LIMITED | Corporate Secretary | 2019-10-16 | 2021-03-01 |
| COLLYER BRISTOW SECRETARIES LIMITED | Corporate Secretary | 2021-03-01 | 2025-06-11 |
| SWIFT INCORPORATIONS LIMITED | Corporate Nominee Secretary | 1997-11-12 | 1997-11-12 |
| BROWN, Vance Ronald | Director | 2020-02-28 | 2021-03-01 |
| CHARD, Timothy | Director | 1997-12-04 | 2001-03-23 |
| CHRISTIE, James Campbell | Director | 1999-03-08 | 2010-12-31 |
| HEATH, Andrew John William, Dr | Director | 1998-07-29 | 2008-12-04 |
| HIGHAM, Anthony | Director | 2017-12-31 | 2024-12-31 |
| JOHNSTON, Elaine Maureen | Director | 2017-12-31 | 2020-02-28 |
| KAZIMI, Ahmad Joseph | Director | 1997-12-04 | 1998-09-01 |
| LANDON, John, Professor | Director | 1997-12-04 | 1998-08-31 |
| MAKIN, Pamela Louise, Dame | Director | 2008-12-19 | 2017-12-31 |
| MARTEL, Timothy John | Director | 2017-12-31 | 2020-02-28 |
| MONSON, Jonathan Richard | Director | 2020-02-28 | 2021-03-01 |
| RILEY, Barrington Marshall | Director | 2001-03-28 | 2007-08-09 |
| SODEN, Christine Helen | Director | 2008-12-19 | 2009-03-31 |
| SODERSTROM, Rolf Kristian Berndtson | Director | 2007-08-09 | 2017-12-31 |
| WILKINSON, Richard Brooke | Director | 2021-03-01 | 2022-06-30 |
| WRIGHT, Timothy Marcus | Director | 1997-11-12 | 1997-12-04 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Charterhouse Gp Llp | Corporate entity | Shares 25–50%, ownership-of-shares-25-to-50-percent-as-firm, Appoints directors | 2023-01-04 | Active |
| Perseus Bidco Uk Ltd | Corporate entity | Shares 50–75%, Voting 50–75%, Appoints directors | 2021-06-28 | Active |
| Charterhouse Capital Partners Llp | Corporate entity | Shares 25–50%, Voting 50–75% | 2021-03-01 | Ceased 2023-01-04 |
| Btg International Healthcare Limited | Corporate entity | Shares 50–75%, Voting 50–75%, Appoints directors | 2019-12-11 | Ceased 2021-06-28 |
| Boston Scientific Corporation | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2019-08-19 | Ceased 2021-03-01 |
| Btg Management Services Limited | Corporate entity | Shares 50–75%, Voting 50–75%, Appoints directors | 2016-04-06 | Ceased 2019-12-11 |
Filing timeline
Last 20 of 205 total filings
Material constitutional events — rename, articles re-file, resolution
- 2025-06-02 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-30 | AA | accounts | Accounts with accounts type full | |
| 2026-01-09 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-11-13 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-09-12 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-09-12 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-09-12 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-09-12 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-06-24 | TM02 | officers | Termination secretary company with name termination date | |
| 2025-06-02 | SH19 | capital | Capital statement capital company with date currency figure | |
| 2025-06-02 | SH20 | capital | Legacy | |
| 2025-06-02 | CAP-SS | insolvency | Legacy | |
| 2025-06-02 | RESOLUTIONS | resolution | Resolution | |
| 2025-04-10 | AA | accounts | Accounts with accounts type full | |
| 2025-01-09 | AP01 | officers | Appoint person director company with name date | |
| 2025-01-09 | TM01 | officers | Termination director company with name termination date | |
| 2024-11-15 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-10-04 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-08-14 | AA | accounts | Accounts with accounts type full | |
| 2024-02-20 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2024-02-20 | PSC07 | persons-with-significant-control | Cessation of a person with significant control |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 12
- Capital events
- 2
- Officers appointed
- 0
- 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 2025-12-31 vs 2024-12-31
-
Turnover
-55.5%
£54,482,000 £24,271,000
-
Cash
+86%
£5,335,000 £9,921,000
-
Net assets
-80.7%
£304,323,000 £58,825,000
-
Employees
+0.7%
139 140
-
Operating profit
-55.3%
£20,041,000 £8,955,000
-
Profit before tax
-1,187.6%
£22,316,000 -£242,712,000
-
Wages
+10.2%
£6,168,000 £6,796,000
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