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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
Active 4
  • 1
    Semlitz, Stephen Michael
    Born in February 1953
    Individual (43 offsprings)
    Officer
    icon of calendar 2017-05-26 ~ now
    OF - Director → CIF 0
  • 2
    Garske, Paul Martin
    Born in October 1968
    Individual (47 offsprings)
    Officer
    icon of calendar 2017-05-26 ~ now
    OF - Director → CIF 0
  • 3
    Stenvoll, Thomas
    Born in April 1979
    Individual (1 offspring)
    Officer
    icon of calendar 2024-07-08 ~ now
    OF - Director → CIF 0
  • 4
    HESS ENERGY POWER & GAS COMPANY (UK) LIMITED - 2015-02-13
    icon of address2nd Floor, Cardinal Place, 100 Victoria Street, London, United Kingdom
    Active Corporate (5 parents, 13 offsprings)
    Person with significant control
    icon of calendar 2017-05-26 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
Ceased 2
  • 1
    O'neill, Jonathan Hugh
    Company Director born in March 1957
    Individual (11 offsprings)
    Officer
    icon of calendar 2017-05-26 ~ 2024-07-08
    OF - Director → CIF 0
  • 2
    W.B. TRUSTEES LIMITED - 1976-12-31
    BREAMS NOMINEES LIMITED - 1981-12-31
    BREAMS REGISTRARS AND NOMINEES LIMITED - 2016-08-17
    icon of addressFloor 8, 71, Queen Victoria Street, London, United Kingdom
    Active Corporate (6 parents, 144 offsprings)
    Equity (Company account)
    1,000 GBP2024-03-31
    Officer
    2017-05-26 ~ 2021-06-30
    PE - Secretary → CIF 0
parent relation
Company in focus

HARTREE PARTNERS SECURITIES (UK) LIMITED

Standard Industrial Classification
74909 - Other Professional, Scientific And Technical Activities N.e.c.

  • HARTREE PARTNERS SECURITIES (UK) LIMITED
    Info
    Registered number 10792718
    icon of address2nd Floor, Cardinal Place, 100 Victoria Street, London SW1E 5JL
    PRIVATE LIMITED COMPANY incorporated on 2017-05-26 (8 years 7 months). The company status is Active.
    The last date of confirmation statement was made at 2025-05-01
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.