SIMJON DEVELOPMENTS LIMITED
Company number 01943871 · Active · Doncaster DN6 8DD
SIMJON DEVELOPMENTS LIMITED is an active private limited company (company number 01943871) incorporated on 3 September 1985, registered in Doncaster. Its registered activity is manufacture of other fabricated metal products n.e.c. (SIC 25990). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £36k, with 3 employees on average. Turnover was £55k and profit for the year −£3,716. Net assets fell 9% on the prior period (£39k).
By net assets it sits in the upper half of 255 comparable companies in Sheffield (median £14k, upper quartile £171k).
Key dates
- Incorporated
- 3 September 1985
- Next accounts due
- 31 May 2027 — in 226 days
- Confirmation statement due
- 17 September 2027 — in 335 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 31 August 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £36k | — | — | £4,291 | £55k | −£3,716 | 3 |
| 31 August 2024 | £39k | — | — | £4,332 | £57k | −£11k | — |
- Current ratio
- 8.58 — comfortable
- Net margin
- -6.8%
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: 76/100 (grade B)
- +10 Positive net assets — Net assets £35,761 at 2025-08-31
- +8 Comfortable liquidity — Current ratio 8.58
- +8 Established — Incorporated 1985-09-03 (41 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 Roy Nettleship — owns 75–100% of shares · since 31 August 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 Sheffield
Same activity (manufacture of other fabricated metal products n.e.c.), closest in incorporation date.
- HI-TECH SPECIAL STEELS LIMITED. — Sheffield, inc. Jun 1985
- NORTHERN BLACKING LIMITED — , inc. Jun 1985
- T & A PRECISION GRINDING CO. LIMITED — , inc. Jun 1985
- STAINLESS UK LIMITED — Sheffield, inc. Jan 1986
- MSI-FORKS LIMITED — , inc. Aug 1984
- CENTURION EUROPE LIMITED — Doncaster, inc. Jul 1984
Reminders for SIMJON DEVELOPMENTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.