ENVIRODYNE HOLDINGS LIMITED
Company details
- Registered name
- ENVIRODYNE HOLDINGS LIMITED
- Company number
- 01968550
- Registered office
- 71 QUEEN VICTORIA STREET, LONDON, EC4V 4BE, UNITED KINGDOM · 993 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 4 December 1985
- Status
- Active
- Age
- 40 years
- Previous names
- SONARDYNE HOLDINGS LIMITED (to 04 Jul 2026) · SONARDYNE GROUP LIMITED (to 04 Jul 2026)
- Nature of business (SIC)
- 26511 — Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- Accounts — next due
- 30 Sept 2027
- Accounts — last made up to
- 31 Dec 2025
- Confirmation statement — next due
- 17 Jan 2027
- Confirmation statement — last
- 03 Jan 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- Renamed on 4 July 2026; previously SONARDYNE HOLDINGS LIMITED, SONARDYNE GROUP LIMITED.
- 738 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
- A person with significant control here also controls 3 other companies.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 04/07/2026 | Registered name changed | SONARDYNE GROUP LIMITED | SONARDYNE HOLDINGS LIMITED |
| 04/07/2026 | Registered name changed | SONARDYNE HOLDINGS LIMITED | ENVIRODYNE HOLDINGS LIMITED |
| 13/11/2024 | Person with significant control added | — | Mrs Nicola Jane Evans |
| 13/11/2024 | Person with significant control added | — | Mr Simon Charles Partridge |
| 06/04/2016 | Person with significant control added | — | Mrs Betsan Felicity Partridge |
| 06/04/2016 | Person with significant control added | — | Mr Charles John Partridge |
Documents for ENVIRODYNE HOLDINGS LIMITED
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
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About ENVIRODYNE HOLDINGS LIMITED (01968550)
ENVIRODYNE HOLDINGS LIMITED is a private limited company incorporated on 4 December 1985 and registered in the United Kingdom under company number 01968550. Its registered office is at 71 QUEEN VICTORIA STREET, LONDON, EC4V 4BE, UNITED KINGDOM. The recorded nature of business is manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Mr Charles John Partridge. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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Manufacture of electronic measuring, testing etc. equipment, not for industrial process control across UK registers
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