PLASMIDSAURUS LTD
Company number 15065672 · Active · London N7 9AA
PLASMIDSAURUS LTD is an active private limited company (company number 15065672) incorporated on 11 August 2023, registered in London. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 December 2025, showing net assets of £140k and cash of £18k, with 7 employees on average. Net assets rose 123% on the prior period (£63k).
By net assets it sits in the top quarter of 603 comparable companies in London (median £440, upper quartile £92k).
Key dates
- Incorporated
- 11 August 2023
- Next accounts due
- 30 September 2027 — in 349 days
- Confirmation statement due
- 25 August 2027 — in 313 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
- Small
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £140k | £18k | £136k | — | — | — | 7 |
| 31 December 2024 | £63k | £65k | £32k | — | — | — | 6 |
- Cash per employee
- £2,521
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 72/100 (grade B)
- +10 Positive net assets — Net assets £140,377 at 2025-12-31
- +8 Net assets growing — +123.1% vs prior period
- +4 Past first filings — Incorporated 2023-08-11
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
- Mr Chih-Kai Ko — has significant influence or control · since 11 August 2023
- Mr Mark William Budde — has significant influence or control · since 11 August 2023
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 London
Same activity (research and experimental development on biotechnology), closest in incorporation date.
- AAVANTGARDE BIO UK LIMITED — London, inc. Aug 2023
- THE PATIENTS LABORATORY LIMITED — London, inc. Aug 2023
- BIOORBIT LTD — London, inc. Jul 2023
- AEON 6 LIMITED — London, inc. Jul 2023
- ELASTIN BIOSCIENCES LTD — London, inc. Jul 2023
- CUTIS DERMIS LTD — London, inc. Aug 2023
Reminders for PLASMIDSAURUS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.