£148k
−33%vs Oct 2024Active11033446Private limited companyLlanelli
JOHN TREHARNE ENGINEERING LIMITED
Significant control: Peter John Treharne (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Manufacture of metal structures and parts of structures (SIC 25110). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JOHN TREHARNE ENGINEERING LIMITED is an active private limited company (company number 11033446) incorporated on 26 October 2017, registered in Llanelli. Its registered activity is manufacture of metal structures and parts of structures (SIC 25110). Latest small accounts cover the period ending 31 October 2025, showing net assets of £148k and cash of £47k, with 5 employees on average. Net assets fell 33% on the prior period (£221k).
Peer position · net assets
By net assets it sits in the upper half of 3,552 comparable companies in the UK (median £27k, upper quartile £273k).
02
Ownership and control
- Mr Peter John Treharne
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 26 October 20178 yrs ago
- Next accounts due
- 31 July 2027in 281 days
- Confirmation statement due
- 9 November 2026in 17 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 25110
- Manufacture of metal structures and parts of structures
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£47k
−56%vs Oct 2024Not reported
5
−17%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £148k | £47k | £17k | — | — | — | 5 |
| 31 October 2024 | £221k | £106k | £19k | — | — | — | 6 |
Cash per employee£9,372Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £148,035 at 31 October 2025
- Net assets down 25% or more on the prior period-33.1% vs prior period
- Incorporated five or more years agoIncorporated 26 October 2017
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.
07
Timeline
- Next accounts duein 281 days
- Confirmation statement duein 17 days
- Accounts period endNet assets £148k · small accounts
- Accounts period endNet assets £221k · small accounts
- Incorporated
08
Similar companies in Swansea
- CATERING FABRICATIONS LIMITEDSwansea · inc. Aug 2017
- AR COMMON UK LIMITEDSwansea · inc. Jan 2018
- O.E.M SWANSEA LTDSwansea · inc. Jan 2018
- UNIT SUPERHEATER ENGINEERING LIMITEDSwansea · inc. May 2017
- LONDON ENGINEERING LIMITEDSwansea · inc. Nov 2019
- THE IRON YARD LIMITEDCarmarthen · inc. Nov 2019
All companies incorporated on 26 October 2017 · in Oct 2017.
09
Reminders for JOHN TREHARNE ENGINEERING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.