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Hartree Mi UK Limited

Hartree Mi UK Limited is an active company incorporated on 3 April 2024 with the registered office located in London, Greater London. Hartree Mi UK Limited was registered 1 year 9 months ago.
Status
Active
Active since incorporation
Company No
15612318
Private limited company
Age
1 year 9 months
Incorporated 3 April 2024
Size
Micro
Turnover is under £1M
Balance sheet is under £500,000
Under 10 employees
Confirmation
Submitted
Dated 2 April 2025 (9 months ago)
Next confirmation dated 2 April 2026
Due by 16 April 2026 (2 months remaining)
Last change occurred 9 months ago
Accounts
Overdue
Accounts overdue by 27 days
Awaiting first accounts
For period ending 31 December 2024
Due by 30 December 2025 (27 days remaining)
Contact
Address
Level 8 123 Buckingham Palace Road
London
SW1W 9SH
England
Address changed on 9 Jan 2026 (17 days ago)
Previous address was 2nd Floor Cardinal Place 100 Victoria Street London SW1E 5JL United Kingdom
Telephone
Unreported
Email
Unreported
People
Officers
4
Shareholders
2
Controllers (PSC)
2
Director • Australian • Lives in Australia • Born in May 1967
Director • American • Lives in United States • Born in Feb 1953
Director • South African • Lives in Switzerland • Born in Jul 1977
Director • American • Lives in United States • Born in Oct 1951
Hartree International Holdings Limited
PSC
Shareholders, PSCs & Group Structure
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Mutual Companies
Hartree Partners (UK) Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Partners Power & Gas Company (UK) Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Partners Advisory Services U.K. Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Partners Supply (UK) Limited
Stephen Michael Semlitz is a mutual person.
Active
Kingsmoor Power Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Solutions (UK) Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Partners Power Holdings (UK) Limited
Stephen Michael Semlitz is a mutual person.
Active
Hartree Peaking (Holdings) Limited
Stephen Michael Semlitz is a mutual person.
Active
Financials
Hartree Mi UK Limited has not yet submitted any accounts
Period Ended
Due Soon
Cash in Bank
Due Soon
Turnover
Due Soon
Employees
Due Soon
Total Assets
Due Soon
Total Liabilities
Due Soon
Net Assets
Due Soon
Debt Ratio (%)
Due Soon
Latest Activity
Hartree International Holdings Limited (PSC) Details Changed
17 Days Ago on 9 Jan 2026
Hartree International Holdings Limited (PSC) Details Changed
17 Days Ago on 9 Jan 2026
Mr Stephen Michael Semlitz Details Changed
17 Days Ago on 9 Jan 2026
Stephen Michael Hendel Details Changed
17 Days Ago on 9 Jan 2026
Registered Address Changed
17 Days Ago on 9 Jan 2026
Mr Stephen Michael Semlitz Appointed
2 Months Ago on 24 Nov 2025
David Peter Stanton Resigned
2 Months Ago on 11 Nov 2025
Confirmation Submitted
9 Months Ago on 3 Apr 2025
Accounting Period Shortened
10 Months Ago on 17 Mar 2025
Mr Russell David Griffin Details Changed
1 Year 4 Months Ago on 11 Sep 2024
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Documents
Change of details for Hartree International Holdings Limited as a person with significant control on 9 January 2026
Submitted on 10 Jan 2026
Change of details for Hartree International Holdings Limited as a person with significant control on 9 January 2026
Submitted on 9 Jan 2026
Director's details changed for Mr Stephen Michael Semlitz on 9 January 2026
Submitted on 9 Jan 2026
Director's details changed for Stephen Michael Hendel on 9 January 2026
Submitted on 9 Jan 2026
Registered office address changed from 2nd Floor Cardinal Place 100 Victoria Street London SW1E 5JL United Kingdom to Level 8 123 Buckingham Palace Road London SW1W 9SH on 9 January 2026
Submitted on 9 Jan 2026
Appointment of Mr Stephen Michael Semlitz as a director on 24 November 2025
Submitted on 24 Nov 2025
Termination of appointment of David Peter Stanton as a director on 11 November 2025
Submitted on 21 Nov 2025
Confirmation statement made on 2 April 2025 with updates
Submitted on 3 Apr 2025
Previous accounting period shortened from 30 April 2025 to 31 December 2024
Submitted on 17 Mar 2025
Statement of capital following an allotment of shares on 11 September 2024
Submitted on 30 Oct 2024
Repayment History
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