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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

Porter, Calum David

    Related profiles found in government register
  • Porter, Calum David
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 83, Queens Road, Consett, DH8 0BW, England

      IIF 1
    • A6 Kingfisher House, Kingsway, Team Valley Trading Estate, Gateshead, NE11 0JQ, England

      IIF 2
  • Porter, Calum David
    British business manager born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Oakfields Health Centre, Hamsterley Colliery, Newcastle Upon Tyne, NE17 7SB, England

      IIF 3
child relation
Offspring entities and appointments 3
  • 1
    DERWENTSIDE HEALTHCARE LIMITED
    09613355
    83 Queens Road, Consett, England
    Active Corporate (7 parents)
    Equity (Company account)
    544,651 GBP2024-03-31
    Officer
    2015-06-26 ~ now
    IIF 1 - Director → ME
  • 2
    NORTH DURHAM PRIMARY CARE ALLIANCE LIMITED
    08445873
    102, Oakfields Health Centre, Hamsterley Colliery, Newcastle Upon Tyne
    Dissolved Corporate (5 parents)
    Equity (Company account)
    9,476 GBP2017-03-31
    Officer
    2013-09-26 ~ dissolved
    IIF 3 - Director → ME
  • 3
    QR PRIVATE MEDICAL SERVICES LIMITED
    14900485
    B3 Kingfisher House Kingsway, Team Valley Trading Estate, Gateshead, United Kingdom
    Active Corporate (6 parents)
    Equity (Company account)
    920 GBP2024-05-31
    Officer
    2023-05-29 ~ now
    IIF 2 - Director → ME

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