PROTEOTYPE DIAGNOSTICS LTD
Company number 12273695 · Active · Cambridge CB22 3AT
PROTEOTYPE DIAGNOSTICS LTD is an active private limited company (company number 12273695) incorporated on 21 October 2019, registered in Cambridge. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 October 2025, showing net assets of −£97k and cash of £17k, with 4 employees on average. Net assets fell 165% on the prior period (£150k).
By net assets it sits in the bottom quarter of 196 comparable companies in Cambridge (median £15k, upper quartile £347k).
Key dates
- Incorporated
- 21 October 2019
- Next accounts due
- 31 July 2027 — in 286 days
- Confirmation statement due
- 4 November 2026 — in 17 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 October 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | −£97k | £17k | — | £61k | — | — | 4 |
| 31 October 2024 | £150k | £86k | — | £16k | — | — | 3 |
- Current ratio
- 5.71 — comfortable
- Cash per employee
- £4,181
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 43/100 (grade D)
- -15 Negative net assets — Net assets £-97,195 at 2025-10-31
- -8 Net assets falling — -164.7% vs prior period
- +8 Comfortable liquidity — Current ratio 5.71
- +8 Established — Incorporated 2019-10-21 (7 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Dr Emma Victoria Yates — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors · since 21 October 2019
- Mr Wesley Timothy Sukdao — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors · since 21 October 2019
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Cambridge
Same activity (research and experimental development on biotechnology), closest in incorporation date.
- TAILOR BIO LTD — Cambridge, inc. Sept 2019
- LUCIDA MEDICAL LTD — Cambridge, inc. Nov 2019
- IMMUTRIN LTD — Cambridge, inc. Sept 2019
- S XPRESS BIO LIMITED — Cambridge, inc. Sept 2019
- LYZEUM LTD — Cambridge, inc. Sept 2019
- AVATRIAL LTD — Cambridge, inc. Dec 2019
Reminders for PROTEOTYPE DIAGNOSTICS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.