£5.87m
+29%vs Sept 2024Active01420384Private limited companyRedditch
THERMEX LIMITED
Significant control: Diamond Rain Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Thermex Limited sell?
Registered activity: Machining (SIC 25620). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
THERMEX LIMITED is an active private limited company (company number 01420384) incorporated on 16 May 1979, registered in Redditch. Its registered activity is machining (SIC 25620). Latest full accounts cover the period ending 30 September 2025, showing net assets of £5.87m and cash of £169k, with 53 employees on average. Net assets rose 29% on the prior period (£4.55m).
Peer position · net assets
By net assets it sits in the top quarter of 188 comparable companies in Birmingham (median £39k, upper quartile £237k).
02
Ownership and control
- Diamond Rain Limited
- owns 75–100% of shares
- Mr Julian Gareth Crossley
- 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
- 16 May 197947 yrs ago
- Next accounts due
- 30 June 2027in 247 days
- Confirmation statement due
- 30 May 2027in 216 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 25620
- Machining
- SIC 32990
- Other manufacturing n.e.c.
- Accounts type
- Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£169k
−67%vs Sept 2024Not reported
53
−9%vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £5.87m | £169k | £2.47m | £3.46m | — | £1.31m | 53 |
| 30 September 2024 | £4.55m | £505k | £2.23m | £4.27m | — | £1.19m | 58 |
| 30 September 2023 | — | — | — | — | — | — | — |
Current ratio2.13Current assets ÷ creditors within one year
Cash per employee£3,185Cash ÷ 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 £5,867,625 at 30 September 2025
- Net assets up 10% or more on the prior period+28.8% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.13
- Cash at bank of £50,000 or moreCash £168,791
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 16 May 1979
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 247 days
- Confirmation statement duein 216 days
- Accounts period endNet assets £5.87m · full accounts
- Accounts period endNet assets £4.55m · full accounts
- Accounts period end
- Incorporated
08
Similar companies in Birmingham
- ACCURA ENGINEERING LIMITEDWillenhall · inc. Aug 1979
- BIRMINGHAM BURNER (WALSALL) LIMITEDWalsall · inc. Oct 1978
- ADRABURGH LIMITEDWest Midlands · inc. Mar 1978
- PRO-MIL ENGINEERING LIMITEDSutton Coldfield · inc. Jul 1980
- MICROPLUS ENGINEERING LIMITEDStourbridge · inc. Aug 1980
- R.C. JONES (LIFTING) LIMITEDDudley · inc. Aug 1977
All companies incorporated on 16 May 1979 · in May 1979.
09
Reminders for THERMEX LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.