Annual accounts
Total Exemption Full accounts
30/09/2026Filing deadline
- Next accounts made up to
- 31/12/2025
- Last accounts made up to
- 31/12/2024
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Change of details for Mr Mark Jeffries as a person with significant control on 2025-11-10
Confirmation statement made on 2025-11-08 with no updates
Registered office address changed from Magdalen Centre Oxford Science Park Oxford Oxfordshire OX4 4GA to 5 Oasis Park (Limbrook) Stanton Harcourt Road Eynsham Witney OX29 4TP on 2025-10-02
Total exemption full accounts made up to 2024-12-31
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
22/11/2026Filing deadline
The latest figures PROIMMUNE LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
2023: £48.40M
Total Assets
2023: £55.18M
Cash in Bank
2023: £870.83K
Total Liabilities
2023: £5.72M
Employees
2023: 39
Of the 4 measures with an earlier filing to compare against, 4 rose. Total assets moved furthest, up 35.45% on 2023. See the full financial analysis for PROIMMUNE LIMITED.
The full financial record
Four ways through PROIMMUNE 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 | 44 | +5 |
| 2023 | 39 | +11 |
| 2022 | 28 | +5 |
| 2021 | 23 | – |
Reported employee count increased from 23 in 2021 to 44 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 |
|---|---|---|---|
| Nominee Director | 07/11/1999–07/11/1999 | 15134 | |
| Director | 14/10/2001–30/08/2006 | 19 | |
| Nominee Secretary | 07/11/1999–07/11/1999 | 15728 | |
| Corporate Secretary | 07/11/1999–21/12/2003 | 95 | |
| Secretary | 22/12/2003–Present | 0 | |
| Director | 08/11/1999–Present | 0 | |
| Director | 23/04/2001–Present | 0 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–Present | 3 | |
| 06/04/2016–Present | 0 |
Every document on the Companies House record, newest first.
Change of details for Mr Mark Jeffries as a person with significant control on 2025-11-10
Confirmation statement made on 2025-11-08 with no updates
Registered office address changed from Magdalen Centre Oxford Science Park Oxford Oxfordshire OX4 4GA to 5 Oasis Park (Limbrook) Stanton Harcourt Road Eynsham Witney OX29 4TP on 2025-10-02
Total exemption full accounts made up to 2024-12-31
Confirmation statement made on 2024-11-08 with no updates
Total exemption full accounts made up to 2023-12-31
Confirmation statement made on 2023-11-08 with no updates
Total exemption full accounts made up to 2022-12-31
Confirmation statement made on 2022-11-08 with no updates
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.
PROIMMUNE LIMITED is a private limited company registered in the United Kingdom, based in 5 Oasis Park (Limbrook) Stanton Harcourt Road, Eynsham, Witney OX29 4GP. Companies House classifies its business as Other human health activities. It has been on the register for 26 years 10 months.
The register currently records it as active. Its 2024 accounts report net assets of £58.60M and 44 employees. Its accounts are past the filing deadline shown on the registry record.
Answered from this company's own registry record and filed figures.
Companies House records PROIMMUNE LIMITED under one registered business activity: Other human health activities (86.90 - SIC 2007).
PROIMMUNE LIMITED is recorded as active on the Companies House register, and has been on it since 08/11/1999.
The most recent accounts Okredo holds cover 2024 and report net assets of £58.60M, total assets of £74.75M, cash in bank of £1.03M and total liabilities of £8.63M.
The most recent document on the record is dated 10/11/2025: Change of details for Mr Mark Jeffries as a person with significant control on 2025-11-10, 10 months ago.
On the current registry record, accounts are due by 30/09/2026, which has passed and the next confirmation statement is due by 22/11/2026.
Companies House lists 7 officers (3 currently in post) and 2 people with significant control.