UK Companies House feature
ADVENT BIOSERVICES LTD
Cash
£352K
-5% vs 2023
Net assets
£3M
-88.1% vs 2023
Employees
97
+32.9% vs 2023
Profit before tax
-£19M
-304.4% vs 2023
Profile
- Company number
- 08717711
- Status
- Active
- Incorporation
- 2013-10-03
- Last accounts made up
- 2024-12-31
- Account category
- FULL
- Primary SIC
- 21200
- Hubs
- UK Healthcare
Net assets
6-year trend · vs UK Healthcare median
Accounts
6-year trend · latest 2024-12-31
| Metric | Trend | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 |
|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | — | — | — | |
| Operating profit | — | — | — | — | — | — | |
| Profit before tax | — | — | — | — | £9,531,423 | -£19,482,978 | |
| Net profit | — | — | — | — | £7,621,277 | -£20,375,998 | |
| Cash | £2,496,386 | £1,743,946 | — | — | £370,379 | £351,834 | |
| Total assets less current liabilities | £4,835,895 | £7,668,274 | — | — | £23,489,667 | £2,899,158 | |
| Net assets | — | £7,668,274 | — | — | £23,116,093 | £2,740,095 | |
| Equity | £4,835,895 | £7,668,274 | — | — | £23,116,093 | £2,740,095 | |
| Average employees | 11 | 21 | — | — | 73 | 97 | |
| Wages | — | — | — | — | £3,726,461 | £5,041,640 |
Values shown as filed in iXBRL accounts. — indicates the figure was not present in the extracted filing (either not filed under that concept or absent from the period). About these numbers
Audit & accounting basis
From AI-extracted PDF accounts
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Mercer & Hole LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“At the time of approving these financial statements, the director has a reasonable expectation that the Company will have adequate resources to continue operating for the foreseeable future. During the year, the Company wrote off a considerable related party debtor balance which has led to the significant loss. Without this write off, the Company would have had a profit before tax. Thus the director continues to adopt the going concern basis in preparing the financial statements.”
Significant events
- “On the 27 August 2025 Advent Bioservices Limited entered into a transaction for the sale of 100% of the Company's share capital to Northwest Biotherapeutics Inc..”
Auditor / going-concern / subsidiary information is extracted from the PDF version of the latest annual accounts and is not tagged in iXBRL. About these numbers
People
2 active · 0 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| PIRE, Philippe Thomas George | Secretary | 2022-05-16 | — | — |
| POWERS, Linda Fairing | Director | 2013-10-03 | Oct 1955 | American |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Toucan Holdings Llc | Corporate entity | Shares 75–100% | 2019-12-30 | Active |
| Ms Linda Fairing Powers | Individual | Appoints directors | 2016-04-06 | Active |
Filing timeline
Last 20 of 36 total filings
| Date | Type | Category | Description |
|---|---|---|---|
| 2025-12-31 | AA | accounts | accounts with accounts type full |
| 2025-10-17 | CS01 | confirmation-statement | confirmation statement with updates |
| 2025-03-04 | AA | accounts | accounts with accounts type full |
| 2024-10-15 | CS01 | confirmation-statement | confirmation statement with updates |
| 2023-12-29 | AA | accounts | accounts with accounts type total exemption full |
| 2023-10-16 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2022-10-11 | CS01 | confirmation-statement | confirmation statement with updates |
| 2022-09-29 | AA | accounts | accounts with accounts type total exemption full |
| 2022-05-26 | AP03 | officers | appoint person secretary company with name date |
| 2022-01-20 | AA | accounts | accounts with accounts type total exemption full |
| 2021-10-20 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2021-02-24 | AD01 | address | change registered office address company with date old address new address |
| 2020-12-29 | AA | accounts | accounts with accounts type total exemption full |
| 2020-11-25 | CS01 | confirmation-statement | confirmation statement with updates |
| 2020-01-02 | PSC02 | persons-with-significant-control | notification of a person with significant control |
| 2019-11-20 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2019-09-30 | AA | accounts | accounts with accounts type total exemption full |
| 2018-12-18 | AA | accounts | accounts with accounts type total exemption full |
| 2018-10-11 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2018-01-02 | AD01 | address | change registered office address company with date old address new address |
Credit score
Altman Z″ (private-firm) · reference 2024-12-31
8.70
SAFE
Altman Z″
- Working capital / Total assets 0.003 × 6.56 = +0.02
- Retained earnings / Total assets 0.000 × 3.26 = +0.00
- EBIT / Total assets 1.315 × 6.72 = +8.84
- Book equity / Total liabilities -0.157 × 1.05 = -0.16
Bands: > 2.6 safe · 1.1–2.6 grey · < 1.1 distress. Z″ is a public-formula baseline, not a substitute for adverse-data signals (CCJs, charges, gazette notices) — those land in a later pass.
Activity Score
Filings velocity, capital events, officer churn, accounts trajectory