£4.51m
+59%vs Jun 2024Active08558628Private limited companyBristol
THERMA-MECH LTD
Significant control: Therma-Mech Developments 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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Therma-Mech Ltd sell?
Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
THERMA-MECH LTD is an active private limited company (company number 08558628) incorporated on 6 June 2013, registered in Bristol. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest full accounts cover the period ending 30 June 2025, showing net assets of £4.51m and cash of £2.59m, with 35 employees on average. Turnover was £24.33m and profit for the year £3.44m. Net assets rose 59% on the prior period (£2.85m).
Peer position · net assets
By net assets it sits in the top quarter of 696 comparable companies in Bristol (median £5,480, upper quartile £32k).
02
Ownership and control
- Therma-Mech Developments Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Paul Lewis
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 6 June 201313 yrs ago
- Next accounts due
- 30 March 2027in 156 days
- Confirmation statement due
- 20 June 2027in 238 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£2.59m
+55%vs Jun 2024£24.33m
+23%vs Jun 202435
+46%vs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £4.51m | £2.59m | — | £5.87m | £24.33m | £3.44m | 35 |
| 30 June 2024 | £2.85m | £1.67m | — | £4.61m | £19.85m | £3.10m | 24 |
| 30 June 2023 | — | — | — | — | — | — | — |
Current ratio1.71Current assets ÷ creditors within one year
Net margin14.1%Profit for the year ÷ turnover
Cash per employee£74kCash ÷ 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 £4,514,938 at 30 June 2025
- Net assets up 10% or more on the prior period+58.6% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.71
- Cash at bank of £50,000 or moreCash £2,592,854
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 6 June 2013
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
- Confirmation statement duein 238 days
- Next accounts duein 156 days
- Accounts period endNet assets £4.51m · full accounts
- Accounts period endNet assets £2.85m · full accounts
- Accounts period end
- Incorporated
08
Similar companies in Bristol
- IGNITION HEATING LIMITEDBristol · inc. Jun 2013
- J M BROWN PLUMBING AND HEATING LTDRadstock · inc. Jun 2013
- STANDEN'S PLUMBING COMPANY LTDCongresbury · inc. May 2013
- SMITHS SERVICES GROUP LTDBristol · inc. May 2013
- UBER PLUMBING AND HEATING LIMITEDBristol · inc. May 2013
- GEORGE HOLMES LIMITEDBristol · inc. May 2013
All companies incorporated on 6 June 2013 · in Jun 2013.
09
Reminders for THERMA-MECH LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.