OPEN HYDRO LTD
Company details
- Registered name
- OPEN HYDRO LTD
- Company number
- 13833775
- Registered office
- 71-75 SHELTON STREET, COVENT GARDEN, LONDON, WC2H 9JQ, UNITED KINGDOM · 87,546 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 7 January 2022
- Status
- Active
- Age
- 4 years
- Nature of business (SIC)
- 71122 — Engineering related scientific and technical consulting activities · 74901 — Environmental consulting activities · 74909 — Other professional, scientific and technical activities n.e.c.
- Accounts — next due
- 31 Dec 2026
- Accounts — last made up to
- 31 Mar 2025
- Confirmation statement — next due
- 07 Aug 2027
- Confirmation statement — last
- 24 Jul 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.
- 70,192 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 1 other company.
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 |
|---|---|---|---|
| 20/06/2023 | Person with significant control ceased | Miss Anna Katherine Thomlinson | — |
| 06/07/2022 | Person with significant control added | — | Miss Anna Katherine Thomlinson |
| 07/01/2022 | Person with significant control added | — | Ms Maria Ubierna Aparicio |
| 07/01/2022 | Person with significant control added | — | Ms Cristina Diez Santos |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2025 | FY2024 |
|---|---|---|
| Total assets less current liabilities | 168 ▼ 34.5% | 256 |
| Net assets | 167 ▼ 34.7% | 255 |
| Employees (avg) | 2 | 2 |
Documents for OPEN HYDRO LTD
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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
Registered with the Information Commissioner's Office as a data protection fee payer.
The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.
Get this company via API
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About OPEN HYDRO LTD (13833775)
OPEN HYDRO LTD is a private limited company incorporated on 7 January 2022 and registered in the United Kingdom under company number 13833775. Its registered office is at 71-75 SHELTON STREET, COVENT GARDEN, LONDON, WC2H 9JQ, UNITED KINGDOM. The recorded nature of business is engineering related scientific and technical consulting activities (SIC 71122). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Miss Anna Katherine Thomlinson. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Engineering related scientific and technical consulting activities across UK registers
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