EUROREGISTRY
GB · Company with significant control
Basalt Infrastructure Partners Llp
Basalt Infrastructure Partners Llp is recorded as a controlling entity on the Companies House register of people with significant control for 11 UK companies.
Register details
Facts
- Name on the register
- Basalt Infrastructure Partners Llp
- Type
- Corporate entity
- Registration number
- Oc363892
- Registered in
- United Kingdom
- Significant control now
- 11 UK companies
- Earlier significant control
- 4 UK companies
- First notified
- 6 April 2016
- Source
- Companies House register of people with significant control, 20 September 2026
At a glance
Basalt Infrastructure Partners Llp's companies
- Basalt Infrastructure Partners Llp holds 75% or more of the shares in 2 of the 11 companies listed below.
- Main lines of business: activities of other holding companies n.e.c. (5), activities of financial services holding companies (2) and other business support service activities n.e.c. (2).
- Registered offices in Fareham (5), Whiteley (3) and Whiteley, Fareham (2).
- The companies were incorporated between 2014 and 2025.
- One of the companies also lists other people or companies with significant control.
These details come from the register as published on 20 September 2026. The register can change at any time: check the current entry live before relying on it.
Companies
Significant control now
UK companies that list Basalt Infrastructure Partners Llp as a company with significant control, with the nature of that control as registered.
| Company | Status | Incorporated | Town | Business | Nature of control | Since |
|---|---|---|---|---|---|---|
| BEACH UK HOLDCO LIMITED 16589749 · Private Limited Company | Active | 17 July 2025 | Whiteley | Activities of other holding companies n.e.c. | Has significant influence or control | 17 July 2025 |
| MOSSELEN HOLDCO LIMITED 16113504 · Private Limited Company | Active | 2 December 2024 | Fareham | Activities of financial services holding companies | Has significant influence or control | 2 December 2024 |
| FRIGG HOLDCO LTD 15888852 · Private Limited Company | Active | 9 August 2024 | Whiteley | Activities of other holding companies n.e.c. | Has significant influence or control | 9 August 2024 |
| BIOSPHERE TOPCO LIMITED 14785262 · Private Limited Company | Active | 6 April 2023 | Whiteley | Activities of other holding companies n.e.c. | Has significant influence or control | 6 April 2023 |
| FREYJA HOLDCO LTD 13578450 · Private Limited Company | Active | 23 August 2021 | Whiteley, Fareham | Activities of financial services holding companies | Has significant influence or control | 23 August 2021 |
| CAELUS TOPCO LTD 13512941 · Private Limited Company | Active | 15 July 2021 | Whiteley, Fareham | Activities of other holding companies n.e.c. | Has significant influence or control | 15 July 2021 |
| IRIS MASTER HOLDCO LIMITED 13055146 · Private Limited Company | Active | 1 December 2020 | Fareham | Other telecommunications activities | Has significant influence or control | 1 December 2020 |
| BASALT INFRASTRUCTURE PARTNERS GP 2 LLP OC403534 · Limited Liability Partnership | Active | 18 December 2015 | Fareham | — | Has significant influence or control | 28 July 2017 |
| BASALT INFRASTRUCTURE PARTNERS II (UK) 1 LIMITED 10387212 · Private Limited Company | Active | 21 September 2016 | Fareham | Other business support service activities n.e.c. | Owns 75% or more of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors; Has significant influence or control | 21 September 2016 |
| BASALT INFRASTRUCTURE PARTNERS II (UK) 2 LIMITED 10387333 · Private Limited Company | Active | 21 September 2016 | Fareham | Other business support service activities n.e.c. | Owns 75% or more of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors; Has significant influence or control | 21 September 2016 |
| ARCA TOPCO LIMITED 09259238 · Private Limited Company | Active | 10 October 2014 | Portsmouth | Activities of other holding companies n.e.c. | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights | 6 April 2016 |
History
Earlier significant control
Companies where Basalt Infrastructure Partners Llp was registered as having significant control, and no longer is.
| Company | Nature of control | From | Until |
|---|---|---|---|
| ARDMAIR BAY HOLDINGS LIMITED 11010404 · Private Limited Company | Has significant influence or control | 12 October 2017 | 3 February 2022 |
| BASALT FOUNDER PARTNER L.P. SL011477 · Limited Partnership | Has significant influence or control | 26 June 2017 | 26 June 2017 |
| MCEWAN SOLAR TOPCO (1) LIMITED 08738816 · Private Limited Company | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 6 April 2016 | 31 July 2019 |
| MCEWAN SOLAR TOPCO (2) LIMITED 08863367 · Private Limited Company | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 6 April 2016 | 31 July 2019 |
Connections
Others with significant control of these companies
- Eaglecrest Marine Bidco LimitedARCA TOPCO LIMITED
Explained
What significant control means
Every UK company must keep a register of the people with significant control over it and file it with Companies House. Someone has significant control if they own more than 25% of the shares or voting rights, can appoint or remove a majority of the board, or otherwise have significant influence or control. Companies can also be controlled through another company, which then appears on the register itself.
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