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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers 6
  • 1
    Kitchener, Ellis Guy
    Born in August 1975
    Individual (6 offsprings)
    Officer
    2025-07-10 ~ now
    OF - Director → CIF 0
  • 2
    O'neill, Jonathan Hugh
    Born in March 1957
    Individual (44 offsprings)
    Officer
    2019-09-26 ~ 2025-11-14
    OF - Director → CIF 0
  • 3
    Hendel, Stephen Michael
    Born in October 1951
    Individual (16 offsprings)
    Officer
    2019-09-26 ~ now
    OF - Director → CIF 0
  • 4
    Semlitz, Stephen Michael
    Born in February 1953
    Individual (48 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 5
    Voelker, Heiko
    Company Director born in December 1962
    Individual (11 offsprings)
    Officer
    2019-09-26 ~ 2025-07-04
    OF - Director → CIF 0
  • 6
    BREAMS SECRETARIES LIMITED
    - now 01057895
    BREAMS REGISTRARS AND NOMINEES LIMITED - 2016-08-17
    BREAMS NOMINEES LIMITED - 1981-12-31
    W.B. TRUSTEES LIMITED - 1976-12-31
    Floor 8, 71 Queen Victoria Street, London
    Active Corporate (44 parents, 465 offsprings)
    Officer
    2019-09-26 ~ 2021-06-30
    OF - Secretary → CIF 0
parent relation
Company in focus

HARTREE INTERNATIONAL HOLDINGS LIMITED

Period: 2019-12-05 ~ now
Company number: 12229505
Registered names
HARTREE INTERNATIONAL HOLDINGS LIMITED - now
HARTREE METALS HOLDINGS LIMITED - 2019-12-05 13682240... (more)
Standard Industrial Classification
64209 - Activities Of Other Holding Companies N.e.c.

Related profiles found in government register
  • HARTREE INTERNATIONAL HOLDINGS LIMITED
    Info
    HARTREE METALS HOLDINGS LIMITED - 2019-12-05
    Registered number 12229505
    2nd Floor, Cardinal Place, 100 Victoria Street, London SW1E 5JL
    PRIVATE LIMITED COMPANY incorporated on 2019-09-26 (6 years 6 months). The company status is Active.
    The last date of confirmation statement was made at 2024-09-25
    CIF 0
  • HARTREE INTERNATIONAL HOLDINGS LIMITED
    S
    Registered number 12229505
    2nd Floor, Cardinal Place, 100 Victoria Street, London, SW1E 5JL
    CIF 1
  • HARTREE INTERNATIONAL HOLDINGS LIMITED
    S
    Registered number 12229505
    2nd Floor, Cardinal Place, 100 Victoria Street, London, SW1E 5JL
    Limited By Shares in United Kingdom
    CIF 2
  • HARTREE INTERNATIONAL HOLDINGS LIMITED
    S
    Registered number 12229505
    Level 8, 123 Buckingham Palace Road, London, England, SW1W 9SH
    Private Company Limited By Shares in Register Of Companies Uk, United Kingdom
    CIF 3
child relation
Offspring entities and appointments 2
  • 1
    AMPYR SOLAR EUROPE GP LLP
    OC434166 LP021399... (more)
    14b, Tower 42 25 Old Broad Street, London, England
    Active Corporate (7 parents, 4 offsprings)
    Person with significant control
    2020-11-11 ~ 2020-12-31
    CIF 2 - Right to surplus assets - More than 25% but not more than 50% OE
    CIF 2 - Ownership of voting rights - More than 25% but not more than 50% OE
    Officer
    2020-11-11 ~ 2020-12-31
    CIF 1 - LLP Designated Member → ME
  • 2
    HARTREE MI UK LIMITED
    15612318
    2nd Floor Cardinal Place, 100 Victoria Street, London, United Kingdom
    Active Corporate (9 parents)
    Person with significant control
    2024-04-03 ~ now
    CIF 3 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 3 - Ownership of shares – More than 25% but not more than 50% OE

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.