Website & contact details
- Website
Isothermal Technology Limited
- Incorporated
- 27 November 1980 (45 years)
- Industry
- Manufacture of other electrical equipment (27900)
- Owned by
- Irene Fay Tavener
- Accounts type
- Medium
- Region
- North West
- Address
- 14A Pine GroveSouthportMerseysidePR9 9AG
Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 30 January 2027
- Last conf. stmt
- 16 January 2026
Charges
- Total
- 2
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 1
Officers 8 active
Officer details are public data from the Companies House register.
British
Born November 1964
British
Born February 1972 (54)
British
Born July 1965 (61)
Southworth, David John
Director · Appointed 10 June 2021
British
Born March 1964 (62)
British
Born March 1968 (58)
Director · Appointed 27 May 2021
British
Born September 1970 (56)
British
British
Born July 1943 (83)
Officer history (2 former)
10 June 2021
10 June 2021
10 June 2021
10 June 2021
Appointed Southworth, David John as Director
27 May 2021
27 May 2021
24 July 2020
1 October 2012
Resigned Reck, Wendy Hilary as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
British
Born July 1943 (83)
Holdings 1
Companies where Isothermal Technology Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Former controllers (1)
24 July 2020
Financials
Balance sheet as at 31 March 2025 · medium accounts
- Net Assets
- £9,130,570
- Cash
- £4,119,890
- Turnover
- £7,327,015
- Profit Before Tax
- £1,525,434
- Employees
- 57
- Debt Ratio
- 11%
- Profit Margin
- 21%
Trend
Turnover
Balance sheet detail
| 2025 | 2024 | 2023 | 2021 | 2020 | |
|---|---|---|---|---|---|
| Fixed Assets | £772,995 | £793,238 | £785,407 | £773,913 | £773,005 |
| Current Assets | £9,487,602 | £8,243,079 | £7,803,301 | £7,670,040 | £5,256,263 |
| Debtors | £1,451,295 | £1,047,212 | £1,163,466 | £767,191 | £879,152 |
| Cash | £4,119,890 | £3,775,484 | £3,201,778 | £3,378,102 | £2,572,972 |
| Creditors (< 1 year) | £678,403 | £1,167,461 | £698,154 | ||
| Net Current Assets | £8,375,183 | £7,515,777 | £7,124,898 | £6,502,579 | £4,558,109 |
| Net Assets | £9,130,570 | £8,290,157 | £7,902,970 | £7,267,970 | £5,324,587 |
| Shareholder Funds | £7,902,970 | £7,267,970 | £5,324,587 | ||
| Turnover | £7,327,015 | £6,564,042 | £5,637,265 | £5,436,317 | |
| Cost of Sales | £3,573,437 | £3,633,884 | £3,143,427 | £2,733,780 | |
| Gross Profit | £3,753,578 | £2,930,158 | £2,493,838 | £2,702,537 | |
| Admin Expenses | £2,304,133 | £2,079,818 | £2,007,688 | £1,480,496 | |
| Staff Costs | £2,556,198 | £2,449,143 | £2,289,803 | £1,835,530 | |
| Operating Profit | £1,476,726 | £885,389 | £463,566 | £1,251,768 | |
| Profit Before Tax | £1,525,434 | £928,599 | £468,754 | £1,253,672 | |
| Tax | £385,021 | £241,412 | £47,786 | £240,986 | |
| Profit for Period | £1,140,413 | £687,187 | £420,968 | £1,012,686 | |
What Isothermal Technology say about themselves
“Award winning temperature measurement & calibration, from metal block baths for calibrating thermocouples to RTDs”
Filings 116
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 19 January 2026 | Director's details changed | |||
| 19 January 2026 | Director's details changed | |||
| 19 January 2026 | Confirmation statement with no updates | 16 January 2026 | ||
| 18 December 2025 | Accounts for a medium company | 31 March 2025 | ||
| 10 November 2025 | Second filing for the notification of a person with significant control |
Other companies in this industry
Stoke-On-Trent
Crowborough
Tewkesbury
East Sussex
Ashby-De-La-Zouch
Explore the largest companies
Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →