£985k
+61%vs Dec 2024Active13357447Private limited companyCaerphilly
TERRATHERM LIMITED
A80/10001
Summary
TERRATHERM LIMITED is an active private limited company (company number 13357447) incorporated on 26 April 2021, registered in Caerphilly. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £985k and cash of £790k, with 24 employees on average. Net assets rose 61% on the prior period (£611k).
Peer position · net assets
By net assets it sits in the top quarter of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).
02
Key dates
- Incorporated
- 26 April 20215 yrs ago
- Next accounts due
- 30 September 2027in 343 days
- Confirmation statement due
- 10 May 2027in 200 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
04
Financials
£790k
+86%vs Dec 2024Not reported
24
+60%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £985k | £790k | £1.34m | — | — | — | 24 |
| 31 December 2024 | £611k | £424k | £1.69m | — | — | — | 15 |
Cash per employee£33kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
80 / 100 · grade A
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £984,879 at 2025-12-31 |
| +8 | Net assets growing+61.3% vs prior period |
| +4 | Cash reservesCash £789,579 |
| +8 | EstablishedIncorporated 2021-04-26 (5 years) |
| 80 | Score, grade A |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Mr David Blackmore
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Alexander Strong
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Next accounts duein 343 days
- Confirmation statement duein 200 days
- Accounts period endNet assets £985k · small accounts
- Accounts period endNet assets £611k · small accounts
- Incorporated
08
Similar companies in Cardiff
- LG PLUMBING & HEATING SERVICES LTDChepstow · inc. Apr 2021
- GLOUCESTERSHIRE GAS & PLUMBING LTDChepstow · inc. Apr 2021
- J HOLLAND PLUMBING AND HEATING LTDAbergavenny · inc. May 2021
- SCENIC AIR CON AND REFRIGERATION LIMITEDNewport · inc. May 2021
- D AND C PLUMBING AND HEATING SOLUTIONS LIMITEDCaldicot · inc. May 2021
- CYNNES CYFCardiff · inc. Apr 2021
All companies incorporated on 26 April 2021 · in Apr 2021.
09
Reminders for TERRATHERM LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.