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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

Duffen, Joy, Dr

    Related profiles found in government register
  • Duffen, Joy, Dr
    British analyst born in May 1956

    Registered addresses and corresponding companies
    • icon of address 7 Bailey Mews, Auckland Road, Cambridge, CB5 8DR

      IIF 1
  • Duffen, Joy, Dr
    British investment manager born in May 1956

    Registered addresses and corresponding companies
    • icon of address 7 Bailey Mews, Auckland Road, Cambridge, CB5 8DR

      IIF 2
  • Duffen, Joy, Dr
    British research manager born in May 1956

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Hilltop 13, Bon Accord Road, Swanage, Dorset, BH19 2DN

      IIF 3
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 3
  • 1
    icon of address 53 High Street, Swanage, England
    Active Corporate (4 parents)
    Equity (Company account)
    32,837 GBP2024-09-30
    Officer
    icon of calendar 2015-10-17 ~ 2018-07-25
    IIF 3 - Director → ME
  • 2
    PINCO 867 LIMITED - 1996-12-03
    icon of address Highfield Court Church Lane, Madingley, Cambridge
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2001-03-20 ~ 2002-10-10
    IIF 1 - Director → ME
  • 3
    AVLAR BIOVENTURES LIMITED - 2016-02-02
    QUANTUM HEALTHCARE FUND LIMITED - 1998-08-28
    PINCO 1051 LIMITED - 1998-06-02
    QUANTUM HEALTHCARE FUND MANAGER LIMITED - 1999-07-23
    icon of address Long Barn Church Road, Toft, Cambridge, Cambridgeshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    275,282 GBP2024-01-31
    Officer
    icon of calendar 2001-04-04 ~ 2003-03-31
    IIF 2 - Director → ME

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