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Company profile

Hornsea 1 Limited

UK company 07640868, incorporated on 19 May 2011.

Hornsea offshore wind farms - where are they? | rsted

Hornsea, One, Two, Three and Four are record-breaking UK offshore wind farms in operation, in construction and in development. Discover more about each project

Company number
07640868
Incorporated
19 May 2011
Companies House status
Active

Company identity

Founded / incorporated
19 May 2011

Company number 07640868

Verify at Companies House
Legal name
HORNSEA 1 LIMITED
Company type
Private Limited Company
Region
London
Registered address
5 HOWICK PLACE
LONDON
ENGLAND
SW1P 1WG
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

11 levels 3 ultimate controllers Controls 1
1
Company Active LTD
Hornsea 1 Limited
CRN 07640868
2
Direct controller Active LTD
Hornsea 1 Holdings Limited
CRN 11120527
3
Intermediate controller Active LTD
Jupiter Offshore Wind Limited
CRN 11032205
4
Intermediate controller Active LTD
Orsted Hornsea 1 Holdings Limited
CRN 11116433
5
Intermediate controller Active LTD
Jupiter Investor Holdco Limited
CRN 11032246
6
Intermediate controller Active LTD
Makalu Holdco 3 Limited
CRN 15920551
7
Intermediate controller Active LTD
Orsted Power (UK) Limited
CRN 04984787
8
Intermediate controller Active LTD
Jupiter Investor Midco Limited
CRN 11382923
9
Intermediate controller Active LTD
Jupiter Investor Topco Limited
CRN 11383051
10
Ultimate controller
DK36213728
CRN DK36213728
11
Intermediate controller Active LTD
Horizon Offshore Wind Limited
CRN 13949311
12
Ultimate controller
00070413
CRN 00070413
13
Intermediate controller Active LTD
Offshore Wind Investments Group 6 Limited
CRN 13936262
14
Intermediate controller Active LTD
Offshore Wind Investments Group 5 Limited
CRN 13932720
15
Intermediate controller Active LTD
The Renewables Infrastructure Group (UK) Investments Limited
CRN 09564873
16
Intermediate controller Active LTD
The Renewables Infrastructure Group (UK) Limited
CRN 08506871
17
Ultimate controller
00056716
CRN 00056716

Company events

Reference milestones and recent Companies House filing stream events.

6 events
30 Sep
2027

Accounts due

Accounts Due

Next accounts due date

29 Nov
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

23 Jun
2026

Accounts With Accounts Type Full

Accounts PDF pending

AA | Transaction MzUyNjQzODY2NGFkaXF6a2N4 | Paper/PDF filed

Published 23 Jun 2026 23:01

31 Dec
2025

Accounts filed

Accounts

Last accounts made up date

15 Nov
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

19 May
2011

Incorporated

Inception

Company registered at Companies House