£9.13m
+10%vs Mar 2024Active01530620Private limited companyMerseyside
ISOTHERMAL TECHNOLOGY LIMITED
Significant control: Irene Fay Tavener (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 other electrical equipment (SIC 27900). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
ISOTHERMAL TECHNOLOGY LIMITED is an active private limited company (company number 01530620) incorporated on 27 November 1980, registered in Merseyside. Its registered activity is manufacture of other electrical equipment (SIC 27900). Latest medium accounts cover the period ending 31 March 2025, showing net assets of £9.13m and cash of £4.12m, with 57 employees on average. Turnover was £7.33m and profit for the year £1.14m. Net assets rose 10% on the prior period (£8.29m).
Peer position · net assets
By net assets it sits in the top quarter of 1,715 comparable companies in the UK (median £18k, upper quartile £295k).
02
Ownership and control
- Irene Fay Tavener
- owns 50–75% of shares
- Mr John Peter Tavener
- 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
- 27 November 198045 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 11 December 2026in 48 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 27900
- Manufacture of other electrical equipment
- Accounts type
- Medium
- Size band
- MediumCompanies Act thresholds
05
Financials
£4.12m
+9%vs Mar 2024£7.33m
+12%vs Mar 202457
+6%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £9.13m | £4.12m | £1.45m | — | £7.33m | £1.14m | 57 |
| 31 March 2024 | £8.29m | £3.78m | £1.05m | — | £6.56m | £687k | 54 |
| 31 March 2023 | — | — | — | — | — | — | — |
Net margin15.6%Profit for the year ÷ turnover
Cash per employee£72kCash ÷ 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 £9,130,570 at 31 March 2025
- Net assets up 10% or more on the prior period+10.1% vs prior period
- Cash at bank of £50,000 or moreCash £4,119,890
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 27 November 1980
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 68 days
- Confirmation statement duein 48 days
- Accounts period endNet assets £9.13m · medium accounts
- Accounts period endNet assets £8.29m · medium accounts
- Accounts period end
- Incorporated
08
Similar companies in Lancashire
- DRIVE SYSTEMS LIMITEDPreston · inc. Jul 1983
- ACEWELL ELECTRONICS LIMITEDBurnley · inc. Oct 1983
- G.B. CONTROLS LIMITEDNelson · inc. Dec 1984
- TEXECOM LIMITEDRossendale · inc. Dec 1986
- RALSPEED LIMITEDBlackburn · inc. Aug 1988
- TAPESWITCH LTD.Chorley · inc. Mar 1990
All companies incorporated on 27 November 1980 · in Nov 1980.
09
Reminders for ISOTHERMAL TECHNOLOGY LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.