# ADVENT BIOSERVICES LTD (08717711)

> ADVENT BIOSERVICES LTD is an active private limited company (company number 08717711) incorporated on 3 October 2013, registered in Cambridge. Its registered activity is manufacture of pharmaceutical preparations (SIC 21200). Latest full accounts cover the period ending 31 December 2024, showing net assets of £2.74m and cash of £352k, with 97 employees on average. Net assets fell 88% on the prior period (£23.12m).

- Status: Active
- Incorporated: 2013-10-03
- Registered office: Cambridge, CB22 3JG
- SIC 21200: Manufacture of pharmaceutical preparations
- SIC 72110: Research and experimental development on biotechnology
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2026-09-30
- Confirmation statement due: 2027-10-17
- Accounts type: FULL

By net assets it sits in the top quarter of 307 comparable companies in the UK (median £1,000, upper quartile £146k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £2.74m | £352k | £1.81m | £2.21m | — | −£20.38m | 97 |
| 2023-12-31 | £23.12m | £370k | £18.79m | £2.39m | — | £7.62m | 73 |
| 2022-12-31 | — | — | — | — | — | — | — |

current ratio 0.98; size band small.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £2,740,095 at 31 December 2024
- Net assets down 25% or more on the prior period: -88.1% vs prior period
- Current assets below creditors within one year: Current ratio 0.98
- Cash at bank of £50,000 or more: Cash £351,834
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 3 October 2013
- Accounts past their due date: Due 30 September 2026

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Ms Linda Fairing Powers — can appoint or remove directors, since 2016-04-06
- Toucan Holdings Llc (corporate-entity) — owns 75–100% of shares, since 2019-12-30

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/08717711
HTML: https://firmoscan.com/company/08717711-advent-bioservices-ltd