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Company number
15554297

SEAGREEN PHASE 1 OFTO HOLDCO LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2027.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
SEAGREEN PHASE 1 OFTO HOLDCO LIMITED
Company number
15554297
Registered office
3RD FLOOR (SOUTH), 200 ALDERSGATE STREET, LONDON, EC1A 4HD, UNITED KINGDOM · 537 other companies at this postcode
Company type
Private Limited Company
Incorporated on
11 March 2024
Status
Active
Age
2 years
Nature of business (SIC)
35120 — Transmission of electricity
Accounts — next due
31 Dec 2027
Accounts — last made up to
31 Mar 2026
Confirmation statement — next due
24 Mar 2027
Confirmation statement — last
10 Mar 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.

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

Equitix Capital Eurobond 7 Limited
owns 25–50% of shares · holds 25–50% of voting rights
Notified 11/12/2025
Equitix Fund Vii Ofto Master Holdco Limited
owns 25–50% of shares · holds 25–50% of voting rights
Notified 11/03/2024
Kyushu Electric Power Company, Incorporated
owns 25–50% of shares · holds 25–50% of voting rights
Notified 11/03/2024

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Equitix Capital Eurobond 7 Limited name only
owns 25–50% of shares · holds 25–50% of votes Notified 11/12/2025 Controls 2 companies
Kyushu Electric Power Company, Incorporated name only
owns 25–50% of shares · holds 25–50% of votes Notified 11/03/2024 Controls 3 companies
Equitix Fund Vii Ofto Master Holdco Limited name only
owns 25–50% of shares · holds 25–50% of votes Control ended 11/12/2025

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
11/12/2025 Person with significant control ceased Equitix Fund Vii Ofto Master Holdco Limited
11/12/2025 Person with significant control added Equitix Capital Eurobond 7 Limited
11/03/2024 Person with significant control added Kyushu Electric Power Company, Incorporated
11/03/2024 Person with significant control added Equitix Fund Vii Ofto Master Holdco Limited

Documents for SEAGREEN PHASE 1 OFTO HOLDCO LIMITED

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Company extract£1.99

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.

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Financial statements£3.99

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.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Frequently asked questions

What is the company number of SEAGREEN PHASE 1 OFTO HOLDCO LIMITED?
According to the official registry, the company number of SEAGREEN PHASE 1 OFTO HOLDCO LIMITED is 15554297.
Where is SEAGREEN PHASE 1 OFTO HOLDCO LIMITED registered?
The registered office is 3RD FLOOR (SOUTH), 200 ALDERSGATE STREET, LONDON, EC1A 4HD, UNITED KINGDOM.
What is the SIC code of SEAGREEN PHASE 1 OFTO HOLDCO LIMITED?
The nature of business is recorded under SIC code 35120 — Transmission of electricity.
Who controls SEAGREEN PHASE 1 OFTO HOLDCO LIMITED?
Equitix Capital Eurobond 7 Limited is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of SEAGREEN PHASE 1 OFTO HOLDCO LIMITED due?
The next annual accounts are due by 31 December 2027, and the last accounts were made up to 31 March 2026.

About SEAGREEN PHASE 1 OFTO HOLDCO LIMITED (15554297)

SEAGREEN PHASE 1 OFTO HOLDCO LIMITED is a private limited company incorporated on 11 March 2024 and registered in the United Kingdom under company number 15554297. Its registered office is at 3RD FLOOR (SOUTH), 200 ALDERSGATE STREET, LONDON, EC1A 4HD, UNITED KINGDOM. The recorded nature of business is transmission of electricity (SIC 35120). The company is currently active , with statutory accounts last made up to 31 March 2026. , and the person with significant control is Equitix Capital Eurobond 7 Limited. 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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