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

Tsai, John, Dr

    Related profiles found in government register
  • Tsai, John, Dr
    American director born in September 1967

    Resident in Switzerland

    Registered addresses and corresponding companies
    • 8, Bloomsbury Street, London, WC1B 3SR, England

      IIF 1 IIF 2
    • Sycamore House, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2BP, England

      IIF 3
  • Tsai, John, Dr
    American physician scientist born in September 1967

    Resident in Switzerland

    Registered addresses and corresponding companies
    • 8, Bloomsbury Street, London, WC1B 3SR, England

      IIF 4 IIF 5
child relation
Offspring entities and appointments
Active 3
  • 1
    8 Bloomsbury Street, London, England
    Corporate (5 parents)
    Officer
    2023-06-27 ~ now
    IIF 4 - director → ME
  • 2
    SYNCONA COLLABORATION (S) LIMITED - 2020-09-08
    8 Bloomsbury Street, London, England
    Corporate (9 parents)
    Officer
    2023-06-28 ~ now
    IIF 5 - director → ME
  • 3
    SPUR THERAPEUTICS LIMITED - 2024-09-27
    BIDCO 1354 LIMITED - 2024-06-14
    Sycamore House, Gunnels Wood Road, Stevenage, Hertfordshire, England
    Corporate (5 parents, 2 offsprings)
    Officer
    2024-04-30 ~ now
    IIF 3 - director → ME
Ceased 2
  • 1
    8 Bloomsbury Street, London, England
    Corporate (5 parents)
    Equity (Company account)
    1 GBP2020-09-30
    Officer
    2023-10-03 ~ 2024-05-14
    IIF 1 - director → ME
  • 2
    AVISTAT BIO LIMITED - 2017-12-08
    AVALON BIO LIMITED - 2017-10-24
    Sycamore House, Gunnels Wood Road, Stevenage, Hertfordshire, England
    Corporate (5 parents)
    Equity (Company account)
    1,365,849 GBP2021-09-30
    Officer
    2023-10-10 ~ 2024-03-14
    IIF 2 - director → ME
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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.