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Company number
06660388

HORIZON NUCLEAR POWER LIMITED

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

Company details

South East, 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
HORIZON NUCLEAR POWER LIMITED
Company number
06660388
Registered office
DITTON PARK, RIDING COURT ROAD, DATCHET, SLOUGH, SL3 9LL, ENGLAND · 352 other companies at this postcode
Company type
Private Limited Company
Incorporated on
30 July 2008
Status
Active
Age
18 years
Previous names
BOW BIDCO LIMITED (to 11 Nov 2009) · INTERCEDE 2298 LIMITED (to 11 Nov 2009)
Nature of business (SIC)
35110 — Production of electricity · 42220 — Construction of utility projects for electricity and telecommunications
Accounts — next due
31 Dec 2027
Accounts — last made up to
31 Mar 2026
Confirmation statement — next due
27 Jul 2027
Confirmation statement — last
13 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.

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

Hitachi, Ltd.
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 19/08/2021
Hitachi Nuclear Projects Development Europe Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Hitachi, Ltd. name only
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 19/08/2021 Controls 11 companies
Hitachi Nuclear Projects Development Europe Limited
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 19/08/2021 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
19/08/2021 Person with significant control ceased Hitachi Nuclear Projects Development Europe Limited
19/08/2021 Person with significant control added Hitachi, Ltd.
06/04/2016 Person with significant control added Hitachi Nuclear Projects Development Europe Limited
11/11/2009 Registered name changed INTERCEDE 2298 LIMITED BOW BIDCO LIMITED
11/11/2009 Registered name changed BOW BIDCO LIMITED HORIZON NUCLEAR POWER LIMITED

Documents for HORIZON NUCLEAR POWER LIMITED

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Company extract£1.99

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Financial statements£3.99

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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

Registered with the Information Commissioner's Office as a data protection fee payer.

Horizon Nuclear Power Limited — SL3 9LL
Tier 1 · renews 01/06/2027
ICO entry

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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Frequently asked questions

What is the company number of HORIZON NUCLEAR POWER LIMITED?
According to the official registry, the company number of HORIZON NUCLEAR POWER LIMITED is 06660388.
Where is HORIZON NUCLEAR POWER LIMITED registered?
The registered office is DITTON PARK, RIDING COURT ROAD, DATCHET, SLOUGH, SL3 9LL, ENGLAND.
What is the SIC code of HORIZON NUCLEAR POWER LIMITED?
The nature of business is recorded under SIC code 35110 — Production of electricity, 42220 — Construction of utility projects for electricity and telecommunications.
Who controls HORIZON NUCLEAR POWER LIMITED?
Hitachi, Ltd. is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of HORIZON NUCLEAR POWER LIMITED due?
The next annual accounts are due by 31 December 2027, and the last accounts were made up to 31 March 2026.

About HORIZON NUCLEAR POWER LIMITED (06660388)

HORIZON NUCLEAR POWER LIMITED is a private limited company incorporated on 30 July 2008 and registered in the United Kingdom under company number 06660388. Its registered office is at DITTON PARK, RIDING COURT ROAD, DATCHET, SLOUGH, SL3 9LL, ENGLAND. The recorded nature of business is production of electricity (SIC 35110). The company is currently active , with statutory accounts last made up to 31 March 2026. , and the person with significant control is Hitachi, Ltd.. 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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