£1.92m
−2%vs Jun 2024Active05815477Private limited companyReading
STEMAX LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
STEMAX LIMITED is an active private limited company (company number 05815477) incorporated on 12 May 2006, registered in Reading. Its registered activity is manufacture of engines and turbines, except aircraft, vehicle and cycle engines (SIC 28110). Latest small accounts cover the period ending 30 June 2025, showing net assets of £1.92m and cash of £639k, with 1 employee on average. Net assets fell 2% on the prior period (£1.96m).
Peer position · net assets
By net assets it sits in the top quarter of 219 comparable companies in the UK (median £1,000, upper quartile £38k).
02
Key dates
- Incorporated
- 12 May 200620 yrs ago
- Next accounts due
- 30 March 2027in 159 days
- Confirmation statement due
- 26 May 2027in 216 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 28110
- Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£639k
+23%vs Jun 2024Not reported
1
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £1.92m | £639k | £515k | — | — | — | 1 |
| 30 June 2024 | £1.96m | £518k | £583k | — | — | — | 1 |
Cash per employee£639kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Filing and accounts signals
- Net assets above zeroNet assets £1,916,007 at 30 June 2025
- Cash at bank of £50,000 or moreCash £639,274
- Incorporated five or more years agoIncorporated 12 May 2006
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
06
Ownership and control
- Mr Geoffrey Martin Thomas Harris
- owns 50–75% of shares
- holds 50–75% of voting rights
- Mrs Dawn Harris
- owns 25–50% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Confirmation statement duein 216 days
- Next accounts duein 159 days
- Accounts period endNet assets £1.92m · small accounts
- Accounts period endNet assets £1.96m · small accounts
- Incorporated
08
Similar companies in Reading
All companies incorporated on 12 May 2006 · in May 2006.
09
Reminders for STEMAX LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.