SEMTRONICS LIMITED
Company number 09528844 · Active · Aylesbury HP18 0PZ
SEMTRONICS LIMITED is an active private limited company (company number 09528844) incorporated on 7 April 2015, registered in Aylesbury. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Latest abridged accounts cover the period ending 30 September 2025, showing net assets of £11k and cash of £24k, with 7 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 89% on the prior period (£99k). Across the last 3 periods on record the net-asset trend is volatile.
By net assets it sits in the upper half of 7,714 comparable companies in Other (median £6,373, upper quartile £46k).
Key dates
- Incorporated
- 7 April 2015
- Next accounts due
- 30 June 2027 — in 254 days
- Confirmation statement due
- 21 April 2027 — in 184 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Unaudited Abridged
- Size band
- Micro (Companies Act thresholds)
Financials — 3 periods on record, latest ending 30 September 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £11k | £24k | — | £55k | — | — | 7 |
| 30 September 2024 | £99k | £54k | £26k | £42k | — | — | 7 |
| 30 September 2023 | £36k | £24k | £18k | £26k | — | — | 2 |
- Current ratio
- 0.32 — current liabilities exceed current assets
- Cash per employee
- £3,413
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 57/100 (grade C)
- +10 Positive net assets — Net assets £10,907 at 2025-09-30
- -8 Net assets falling — -89.0% vs prior period
- -8 Current liabilities exceed current assets — Current ratio 0.32
- +5 Multi-year filing history — 3 periods on record
- +8 Established — Incorporated 2015-04-07 (12 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 Arunava Mitra — has significant influence or control · since 1 April 2022
- Mr Arunava Mitra — owns 75–100% of shares · since 1 March 2017 · ceased 31 March 2022
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 the UK
Same activity (other professional, scientific and technical activities n.e.c.), closest in incorporation date.
- FRAME SFS LIMITED — Beverley, inc. Apr 2015
- FLASH SUBSEA LTD — Plymouth, inc. Apr 2015
- ANYSERVE LTD — Bournemouth, inc. Apr 2015
- BAYNHAM CONSULTING ASSOCIATES LTD — Norwich, inc. Apr 2015
- RONIN MARINE LTD — Wrexham, inc. Apr 2015
- LIVING FOR LONGER LIMITED — Brampton, inc. Apr 2015
Reminders for SEMTRONICS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.