PLENUM SYSTEMS LIMITED
Company number 03767928 · Active · Upminster RM14 1QT
PLENUM SYSTEMS LIMITED is an active private limited company (company number 03767928) incorporated on 11 May 1999, registered in Upminster. Its registered activity is manufacture of other fabricated metal products n.e.c. (SIC 25990). Latest micro accounts cover the period ending 30 September 2025, showing net assets of £1,901, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 43% on the prior period (£3,352).
By net assets it sits in the lower half of 234 comparable companies in Greater London (median £12k, upper quartile £172k).
Key dates
- Incorporated
- 11 May 1999
- Next accounts due
- 30 June 2027 — in 253 days
- Confirmation statement due
- 25 May 2027 — in 217 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 25990
- Manufacture of other fabricated metal products n.e.c.
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 30 September 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £1,901 | — | — | £16k | — | — | 0 |
| 31 March 2024 | £3,352 | — | — | £30k | — | — | — |
- Current ratio
- 1.54 — comfortable
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
Firmoscan score: 68/100 (grade B)
- +10 Positive net assets — Net assets £1,901 at 2025-09-30
- -8 Net assets falling — -43.3% vs prior period
- +8 Comfortable liquidity — Current ratio 1.54
- +8 Established — Incorporated 1999-05-11 (27 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
- Mr Stuart Michael Cumming — owns 50–75% of shares · since 11 May 2016
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 Greater London
Same activity (manufacture of other fabricated metal products n.e.c.), closest in incorporation date.
- HUNTER PRECISION MACHINING LTD. — Dartford, inc. May 1999
- UNIQUE WINDOWS LIMITED — Middlesex, inc. Jun 1999
- KELBURN ENGINEERING LIMITED — Woodford Green, inc. Jun 1999
- T.R. STERLING LIMITED — Loughton, inc. Jul 1999
- BARKING SHOPFRONTS LIMITED — Barking, inc. Mar 1999
- SEROPA LIMITED — Erith, inc. Mar 1999
Reminders for PLENUM SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.