Hartree MI UK Limited

Active15612318 Private limited company
Incorporated
3 April 2024 (2 years)
Industry
Activities of other holding companies n.e.c. (64209)
Directors
Russell David Griffin
Willem Hendrik Marais
Accounts type
Group
Region
Greater London
Address
Level 8
123 Buckingham Palace Road
London
SW1W 9SH

Filing status

Accounts due
31 December 2026
Last accounts
31 December 2024
Conf. stmt due
16 April 2027
Last conf. stmt
2 April 2026

Officers 4 active

Officer details are public data from the Companies House register.

Director · Appointed 24 November 2025
American
Born February 1953 (73)
Griffin, Russell David
Director · Appointed 11 September 2024
Australian
Born May 1967 (59)
Marais, Willem Hendrik
Director · Appointed 11 September 2024
South African
Born July 1977 (49)
Hendel, Stephen Michael
Director · Appointed 2 July 2024
American
Born October 1951 (75)
Officer history (3 former)
24 November 2025
Appointed Semlitz, Stephen Michael as Director
11 November 2025
Resigned Stanton, David Peter as Director
11 September 2024
Appointed Griffin, Russell David as Director
11 September 2024
Appointed Marais, Willem Hendrik as Director
11 September 2024
Resigned Larouche, Pascal as Director
2 July 2024
Appointed Hendel, Stephen Michael as Director
28 June 2024
Resigned O'Neill, Jonathan Hugh as Director
3 April 2024
Appointed O'Neill, Jonathan Hugh as Director
3 April 2024
Appointed Larouche, Pascal as Director
3 April 2024
Appointed Stanton, David Peter as Director

Ownership 2 active

People and entities with significant control, from the Companies House PSC register

Corporate entity · Notified 11 September 2024
Owns 50–75% of shares
Holds 50–75% of voting rights
Limited By Shares
Reg. no. 03446989
Corporate entity · Notified 3 April 2024
Owns 25–50% of shares
Holds 25–50% of voting rights
Private Company Limited By Shares
Reg. no. 12229505

Group structure 6 companies

Ownership group derived from the Companies House PSC register

Hartree MI UK Limited This company Owns 50–75% of shares
Hartree Solaris Limited Owns 75–100% of shares

Filings

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