Filing status
- Accounts due
- 31 July 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 17 January 2027
- Last conf. stmt
- 3 January 2026
Envirodyne Holdings Limited
- Incorporated
- 4 December 1985 (40 years)
- Previously known as
- Sonardyne Holdings Limited (until 4 July 2026)Sonardyne Group Limited (until 2 March 2020)Altonquart Limited (until 1 January 1986)
- Industry
- Manufacture of electronic measuring, testing etc. equipment, not for industrial process control (26511)
- Owned by
- Nicola Jane EvansSimon Charles PartridgeBetsan Felicity Partridge
- Accounts type
- Group
- Region
- Greater London
- Address
- 71 Queen Victoria StreetLondonEC4V 4BE
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 15 November 2021
Also at Kraken Robotics UK Limited · more companies
British
Born November 1970
British
Born April 1967 (59)
British
British
Born September 1939 (87)
Officer history (3 former)
31 December 2022
15 November 2021
2 March 2021
4 May 2014
31 March 2014
17 December 2009
20 March 2008
Ownership 4 active
People and entities with significant control, from the Companies House PSC register
Individual · Notified 13 November 2024
Owns 25–50% of shares
Holds 75–100% of voting rights
British
Born April 1967 (59)
Individual · Notified 13 November 2024
Owns 25–50% of shares
Holds 50–75% of voting rights
British
Born November 1970
British
Born September 1939 (87)
British
Born December 1941 (84)
Holdings 2
Companies where Envirodyne Holdings Limited is registered as a person with significant control
Owns 75–100% of shares
Dissolved
Owns 75–100% of shares
Status not confirmed
Financials
Figures from 2023 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Cash
- £8,253,576
- Profit
- £394,581
- Employees
- 3
- Current Ratio
- 28.5x
- Return on Equity
- 1%
Balance sheet detail
| 2023 | |
|---|---|
| Current Assets | £15,180,026 |
| Debtors | £6,926,450 |
| Cash | £8,253,576 |
| Creditors (< 1 year) | £531,877 |
| Net Current Assets | £14,648,149 |
| Shareholder Funds | £43,564,690 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 10 November 2026 | Previous accounting period shortened | |||
| 12 July 2026 | Group of companies' accounts | 31 December 2025 | ||
| 4 July 2026 | Certificate of change of name | |||
| 3 July 2026 | Registered office address changed | |||
| 5 January 2026 | Confirmation statement with no updates | 3 January 2026 |
Some other companies at this address
Other companies in this industry
Oxfordshire
Reading
Leicester
York
Rotherham
By trade and location
Explore the largest companies
Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →