SIMPLEX MOLECULAR LTD
Company number 15924012 · Active · Manchester M4 5JW
SIMPLEX MOLECULAR LTD is an active private limited company (company number 15924012) incorporated on 29 August 2024, registered in Manchester. Its registered activity is manufacture of basic pharmaceutical products (SIC 21100). Latest small accounts cover the period ending 31 August 2025, showing net assets of −£1,755 and cash of £172, with 0 employees on average.
By net assets it sits in the bottom quarter of 661 comparable companies in the UK (median £265, upper quartile £89k).
Key dates
- Incorporated
- 29 August 2024
- Next accounts due
- 31 May 2027 — in 221 days
- Confirmation statement due
- 12 September 2027 — in 325 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 21100
- Manufacture of basic pharmaceutical products
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 72110
- Research and experimental development on biotechnology
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 1 period on record, latest ending 31 August 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | −£1,755 | £172 | — | £27 | — | — | 0 |
- Current ratio
- 6.37 — comfortable
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 47/100 (grade D)
- -15 Negative net assets — Net assets £-1,755 at 2025-08-31
- +8 Comfortable liquidity — Current ratio 6.37
- +4 Past first filings — Incorporated 2024-08-29
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 Maribel Montufar Martinez — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 29 August 2024
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 Manchester
Same activity (manufacture of basic pharmaceutical products), closest in incorporation date.
- LEVANTI RADIANCE GLOW LTD — Manchester, inc. Aug 2024
- INNOVARUS LTD — Macclesfield, inc. Aug 2024
- DRINKEASY LIMITED — Glossop, inc. Sept 2024
- SKY MILLION TRADING LIMITED — Manchester, inc. Mar 2025
- EVERA NUTRITION LIMITED — Nether Alderley, Macclesfield, inc. Mar 2025
- SELCO RESEARCH LABORATORIES LIMITED — Alderley Edge Cheshire, inc. Feb 2024
All companies incorporated on 29 August 2024 · in Aug 2024.
Reminders for SIMPLEX MOLECULAR LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.