ALTOS LABS UK LIMITED
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Cash
£24M
USD 31,600,818
+21.5% vs 2024
Net assets
£42M
USD 55,604,393
-14.1% vs 2024
Employees
144
0% vs 2024
Profit before tax
-£87M
USD -115,587,858
-3.9% vs 2024
Net assets
2-year trend · vs Health Care median
Accounts
2-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|
| Turnover | — | — | — | |
| Operating profit | -£80,907,592 | -£85,836,041 | -6.1% | |
| Profit before tax | -£83,256,658 | -£86,530,811 | -3.9% | |
| Net profit | -£74,658,900 | -£86,530,811 | -15.9% | |
| Cash | £19,476,872 | £23,656,848 | +21.5% | |
| Total assets less current liabilities | £60,088,155 | £52,969,480 | -11.8% | |
| Net assets | £48,444,049 | £41,626,286 | -14.1% | |
| Equity | £48,444,049 | £41,626,286 | -14.1% | |
| Average employees | 144 | 144 | 0% | |
| Wages | £25,442,749 | £28,674,143 | +12.7% | |
| Directors' remuneration | £368,689 | £368,948 | +0.1% |
Figures converted to GBP from USD at 0.749 per USD (Frankfurter spot rate) — hover any figure for the original. — 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 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|
| Return on capital employed | -134.6% | -162.0% | |
| Gearing (liabilities / total assets) | 32.4% | 41.1% | |
| Current ratio | 4.14x | 2.86x | |
| Interest cover | -24.39x | -50.79x |
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
- Ernst & Young LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“Altos Labs UK limited is reliant on funding received from its parent company Altos Labs, Inc. and has no external income. Altos Labs, Inc. has confirmed that it will provide the necessary support for the period until 31 December 2027 being the going concern review period assessed by the directors to enable the Company to settle its liabilities as they fall due.”
Significant events
- “As of December 31, 2025, the amount owed by group undertakings was $10.9 million which has been repaid in full in February 2026.”
- “In February 2026, the U.S. parent undertaking issued a new $55 million intercompany note in consideration of the issuance of one share, which accrues interest at a rate of 6% with full amount due by 17 April 2027.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 0 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| OAKWOOD CORPORATE SECRETARY LIMITED | Corporate Secretary | 2021-06-30 | — | — |
| JOHANSSON, Karl | Director | 2021-11-22 | Sep 1949 | American |
| KLAUSNER, Richard | Director | 2021-06-30 | Dec 1951 | American |
| SIN, Kevin | Director | 2024-12-05 | Feb 1973 | American |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Richard Klausner | Individual | Shares 75–100%, Voting 75–100%, Appoints directors | 2021-06-30 | Ceased 2021-10-20 |
Filing timeline
Last 20 of 37 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-05-10 | AA | accounts | Accounts with accounts type full | |
| 2026-03-03 | SH01 | capital | Capital allotment shares | |
| 2025-10-23 | SH01 | capital | Capital allotment shares | |
| 2025-07-08 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-07-08 | CH01 | officers | Change person director company with change date | |
| 2025-07-08 | CH01 | officers | Change person director company with change date | |
| 2025-06-12 | SH01 | capital | Capital allotment shares | |
| 2025-06-10 | SH01 | capital | Capital allotment shares | |
| 2025-04-08 | AA | accounts | Accounts with accounts type full | |
| 2025-02-07 | SH01 | capital | Capital allotment shares | |
| 2024-12-12 | AP01 | officers | Appoint person director company with name date | |
| 2024-09-27 | SH01 | capital | Capital allotment shares | |
| 2024-07-16 | SH01 | capital | Capital allotment shares | |
| 2024-07-15 | CH01 | officers | Change person director company with change date | |
| 2024-07-14 | AA | accounts | Accounts with accounts type full | |
| 2024-07-12 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-06-11 | SH01 | capital | Capital allotment shares | |
| 2023-12-07 | SH01 | capital | Capital allotment shares | |
| 2023-08-25 | SH01 | capital | Capital allotment shares | |
| 2023-08-23 | MR04 | mortgage | Mortgage satisfy charge full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 7
- 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.