EUROREGISTRY
GB · Person with significant control
Kristian Siem
Kristian Siem is recorded on the Companies House register of people with significant control for 6 UK companies.
Register details
Facts
- Name on the register
- Mr Kristian Siem
- Type
- Individual
- Nationality
- Norwegian
- Country of residence
- Monaco
- Year of birth
- 1949
- Significant control now
- 6 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
Kristian Siem's companies
- Kristian Siem owns 75% or more of the shares in 5 of the 6 companies listed below.
- Main lines of business: other business support service activities n.e.c. (2), sea and coastal freight water transport (2) and activities of financial services holding companies (1).
- Registered offices in Sutton (5).
- The companies were incorporated between 1904 and 2020.
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 Kristian Siem as a person with significant control, with the nature of that control as registered.
| Company | Status | Incorporated | Town | Business | Nature of control | Since |
|---|---|---|---|---|---|---|
| SIEM OIL SERVICE INVEST HOLDINGS LIMITED 10140028 · Private Limited Company | Active | 21 April 2016 | Sutton | Other business support service activities n.e.c. | Owns 75% or more of the shares | 30 April 2025 |
| SEVEN YIELD RENEWABLES LIMITED 12562055 · Private Limited Company | Active | 17 April 2020 | Sutton | Other business support service activities n.e.c. | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 17 April 2020 |
| SIEM SHIPOWNING RORO LIMITED 02669815 · Private Limited Company | Active | 10 December 1991 | Sutton | Sea and coastal freight water transport | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 15 February 2017 |
| SIEM SHIPPING UK LIMITED 02857005 · Private Limited Company | Active | 27 September 1993 | Sutton | Sea and coastal freight water transport | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 15 December 2016 |
| SIEM CAPITAL UK LIMITED 00081307 · Private Limited Company | Active | 21 June 1904 | Sutton | Activities of financial services holding companies | Owns 75% or more of the shares; Holds 75% or more of the voting rights | 6 April 2016 |
| THIRTY HYDE PARK GATE LIMITED 01467418 · Private Limited Company | Active | 18 December 1979 | — | Non-trading company non trading | 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; Can appoint or remove a majority of the board of directors | 6 April 2016 |
History
Earlier significant control
Companies where Kristian Siem was registered as having significant control, and no longer is.
| Company | Nature of control | From | Until |
|---|---|---|---|
| HEMERA ENERGY LIMITED 10384084 · Private Limited Company | Owns more than 50% but less than 75% of the shares; Holds more than 50% but less than 75% of the voting rights | 19 September 2016 | 19 March 2021 |
| BRADENSTOKE SOLAR PARK LIMITED 09296507 · Private Limited Company | Has significant influence or control | 6 April 2016 | 14 May 2020 |
| BSR GROUP HOLDINGS LIMITED 08146982 · Private Limited Company | Owns 75% or more of the shares, as a member of a firm; Holds 75% or more of the voting rights, as a member of a firm | 6 April 2016 | 28 July 2022 |
| VENN PARTNERS LLP OC347544 · Limited Liability Partnership | Holds more than 25% but not more than 50% of the voting rights; Has the right to more than 25% but not more than 50% of the surplus assets on a winding up | 6 April 2016 | 25 March 2020 |
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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