SEMIDYNE LTD
Company number 07164064 · Active · Lymington SO41 0XG
SEMIDYNE LTD is an active private limited company (company number 07164064) incorporated on 22 February 2010, registered in Lymington. Its registered activity is dormant company (SIC 99999). Latest dormant accounts cover the period ending 28 February 2026, showing net assets of £1. Net assets were unchanged on the prior period. Across the last 3 periods on record the net-asset trend is flat.
By net assets it sits in the lower half of 690 comparable companies in Southampton (median £2, upper quartile £100).
Key dates
- Incorporated
- 22 February 2010
- Next accounts due
- 28 November 2027 — in 404 days
- Confirmation statement due
- 8 March 2027 — in 139 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 99999
- Dormant Company
- Accounts type
- Dormant
- Size band
- Micro (Companies Act thresholds)
Financials — 3 periods on record, latest ending 28 February 2026
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | £1 | — | — | — | — | — | — |
| 28 February 2025 | £1 | — | — | — | — | — | — |
| 28 February 2024 | £1 | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 73/100 (grade B)
- +10 Positive net assets — Net assets £1 at 2026-02-28
- +5 Multi-year filing history — 3 periods on record
- +8 Established — Incorporated 2010-02-22 (17 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 James Stephen Baynham Mason — owns 75–100% of shares · since 6 April 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 Southampton
Same activity (dormant company), closest in incorporation date.
- QUINTRO HOLDINGS LIMITED — Romsey, inc. Feb 2010
- LOST PUFFIN ACCESS LTD — Southampton, inc. Mar 2010
- EXECUTIVES IN EMERGING MARKETS LIMITED — Lymington, inc. Jan 2010
- MILTON RANSOM LIMITED — Southampton, inc. Mar 2010
- INNOVATION CARPENTRY & DESIGN LIMITED — Southampton, inc. Mar 2010
- MOORE BLATCH SERVICES LIMITED — Eastleigh, inc. Jan 2010
Reminders for SEMIDYNE LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.