# PROIMMUNE LIMITED (03873386)

> PROIMMUNE LIMITED is an active private limited company (company number 03873386) incorporated on 8 November 1999, registered in Witney. Its registered activity is other human health activities (SIC 86900). Latest small accounts cover the period ending 31 December 2024, showing net assets of £58.60m and cash of £1.03m, with 44 employees on average. Net assets rose 21% on the prior period (£48.40m).

- Status: Active
- Incorporated: 1999-11-08
- Registered office: Witney, OX29 4TP
- SIC 86900: Other human health activities
- Next accounts due: 2026-09-30
- Confirmation statement due: 2026-11-22
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 468 comparable companies in Oxford (median £1,961, upper quartile £25k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £58.60m | £1.03m | — | £1.27m | — | — | 44 |
| 2023-12-31 | £48.40m | £871k | — | £868k | — | — | 39 |

current ratio 43.91; size band small.

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

- Net assets above zero: Net assets £58,600,359 at 31 December 2024
- Net assets up 10% or more on the prior period: +21.1% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 43.91
- Cash at bank of £50,000 or more: Cash £1,031,967
- Incorporated five or more years ago: Incorporated 8 November 1999
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Mr Mark Jefferies — has significant influence or control, since 2016-04-06
- Mr Chris Guilbert — has significant influence or control, since 2016-04-06

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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/03873386
HTML: https://firmoscan.com/company/03873386-proimmune-limited