Annual accounts
Total Exemption Full accounts
30/09/2026Filing deadline
- Next accounts made up to
- 31/12/2025
- Last accounts made up to
- 30/09/2024
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Confirmation statement made on 2026-02-17 with updates
Current accounting period extended from 2025-09-30 to 2025-12-31
Total exemption full accounts made up to 2024-09-30
Termination of appointment of Jayne Hassell as a director on 2024-09-30
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Total Exemption Full accounts
30/09/2026Filing deadline
Confirms the registry record is up to date
The latest figures BIO - DIAGNOSTICS LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
2023: £1.36M
Total Assets
2023: £2.98M
Cash in Bank
2023: £371.81K
Total Liabilities
2023: £1.01M
Employees
2023: 26
Of the 4 measures with an earlier filing to compare against, 4 rose. Total assets moved furthest, up 23.60% on 2023. See the full financial analysis for BIO - DIAGNOSTICS LIMITED.
The full financial record
Four ways through BIO - DIAGNOSTICS LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Headcount as reported to Companies House for 2021–2024.
| Year | Employees | Change |
|---|---|---|
| 2024 | 25 | -1 |
| 2023 | 26 | -4 |
| 2022 | 30 | +6 |
| 2021 | 24 | – |
Reported employee count increased from 24 in 2021 to 25 in 2024. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 23/12/2002–30/04/2004 | 3 | |
| Director | 30/04/2004–Present | 10 | |
| Director | 23/12/2002–30/09/2013 | 1 | |
| Director | 23/03/2015–30/09/2024 | 0 | |
| Secretary | 02/11/2001–30/09/2013 | 0 | |
| Secretary | 24/09/1991–02/11/2001 | 0 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–25/09/2019 | 0 | |
| 25/09/2019–Present | 0 | |
| 06/04/2016–25/09/2019 | 2 | |
| 06/04/2016–25/09/2019 | 10 |
Every document on the Companies House record, newest first.
Confirmation statement made on 2026-02-17 with updates
Current accounting period extended from 2025-09-30 to 2025-12-31
Total exemption full accounts made up to 2024-09-30
Termination of appointment of Jayne Hassell as a director on 2024-09-30
Total exemption full accounts made up to 2023-09-30
Confirmation statement made on 2024-02-17 with updates
Total exemption full accounts made up to 2022-09-30
Confirmation statement made on 2023-02-17 with updates
Total exemption full accounts made up to 2021-09-30
Confirmation statement made on 2022-02-17 with updates
Total exemption full accounts made up to 2020-09-30
Confirmation statement made on 2021-02-17 with updates
Showing 12 of 123 filings
See when the next accounts and confirmation statement are due
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A short description of the company, written from its Companies House record.
BIO - DIAGNOSTICS LIMITED is a private limited company registered in the United Kingdom, based in Upton Industrial Estate Rectory Road, Upton-Upon-Severn, Worcester WR8 0LX. Companies House classifies its business as Research and experimental development on biotechnology. It has been on the register for 46 years 9 months.
The register currently records it as active. Its 2024 accounts report net assets of £1.90M and 25 employees.
Answered from this company's own registry record and filed figures.
Companies House records BIO - DIAGNOSTICS LIMITED under one registered business activity: Research and experimental development on biotechnology (72.11 - SIC 2007).
BIO - DIAGNOSTICS LIMITED is recorded as active on the Companies House register, and has been on it since 30/11/1979.
The most recent accounts Okredo holds cover 2024 and report net assets of £1.90M, total assets of £3.68M, cash in bank of £844.52K and total liabilities of £1.15M.
The most recent document on the record is dated 26/03/2026: Confirmation statement made on 2026-02-17 with updates, 5 months ago.
On the current registry record, accounts are due by 30/09/2026.
Companies House lists 6 officers (1 currently in post) and 4 people with significant control (1 current).