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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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
Inapplicable
parent relation
Individuals in focus

Ernstzen, Olav Gustav

    Related profiles found in government register
  • Ernstzen, Olav Gustav
    British barrister born in July 1948

    Resident in England

    Registered addresses and corresponding companies
    • 200a, Pentonville Road, London, Greater London, N1 9JP

      IIF 1
    • 6b, 77, Anson Road, London, N7 0AX, England

      IIF 2
    • 6b Dalmeny Mansions, 77 Anson Road, London, N7 0AX

      IIF 3 IIF 4
  • Ernstzen, Olav Gustav
    British barrister

    Registered addresses and corresponding companies
    • 6b Dalmeny Mansions, 77 Anson Road, London, N7 0AX

      IIF 5
  • Ernstzen, Olav Gustav

    Registered addresses and corresponding companies
    • 4 Dalmeny Mansions, 77 Anson Road, London, N7 0AX, England

      IIF 6
child relation
Offspring entities and appointments
Active 1
  • 1
    6b Dalmeny Mansions, 77 Anson Road, London
    Dissolved Corporate (2 parents)
    Officer
    1993-07-06 ~ dissolved
    IIF 3 - Director → ME
Ceased 2
  • 1
    4 Dalmeny Mansions, 77 Anson Road, London
    Active Corporate (4 parents)
    Equity (Company account)
    56,525 GBP2025-03-31
    Officer
    2010-11-16 ~ 2014-04-30
    IIF 2 - Director → ME
    ~ 2003-03-31
    IIF 4 - Director → ME
    ~ 2003-03-31
    IIF 5 - Secretary → ME
    2010-11-30 ~ 2014-02-12
    IIF 6 - Secretary → ME
  • 2
    HEALTHWATCH ISLINGTON LIMITED - 2013-03-12
    24 - 27 White Lion Street, London, England
    Active Corporate (8 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    471,990 GBP2025-03-31
    Officer
    2013-02-18 ~ 2017-07-04
    IIF 1 - Director → ME

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