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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Purwaha, Amit Singh

  • Purwaha, Amit Singh
    British born in April 1982

    Resident in England

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 10
  • 1
    BIOGEN IDEC LIMITED
    - now 01497267
    BIOGEN LIMITED - 2003-11-27
    BOOHAT TWENTY-FIVE LIMITED - 1980-12-31
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (39 parents)
    Officer
    2025-07-14 ~ now
    IIF 2 - Director → ME
  • 2
    BIOGEN IDEC RESEARCH LIMITED
    07588215
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (13 parents)
    Officer
    2025-07-14 ~ now
    IIF 10 - Director → ME
  • 3
    CONVERGENCE PHARMACEUTICALS HOLDINGS LIMITED
    - now 07596438 07289568... (more)
    NEWINCCO 1096 LIMITED - 2011-08-04
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (22 parents, 2 offsprings)
    Officer
    2025-07-14 ~ now
    IIF 5 - Director → ME
  • 4
    CONVERGENCE PHARMACEUTICALS LIMITED
    - now 09376285 07289568... (more)
    SILVER NEWCO CO LIMITED - 2015-04-24
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (11 parents)
    Officer
    2025-07-14 ~ now
    IIF 6 - Director → ME
  • 5
    NIGHTSTAR THERAPEUTICS LIMITED
    - now 10852952
    NIGHTSTAR THERAPEUTICS PLC - 2019-06-11
    NIGHTSTAR THERAPEUTICS LIMITED - 2017-09-15
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (18 parents, 1 offspring)
    Officer
    2025-07-14 ~ now
    IIF 9 - Director → ME
  • 6
    NIGHTSTARX LIMITED
    - now 08551822
    NEWINCCO 1242 LIMITED - 2014-01-07
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (26 parents)
    Officer
    2025-07-14 ~ now
    IIF 4 - Director → ME
  • 7
    OLD CONVERGENCE PHARMACEUTICALS LIMITED
    - now 07289568 09376285... (more)
    CONVERGENCE PHARMACEUTICALS LIMITED - 2015-04-24
    NEWINCCO 1020 LIMITED - 2010-07-19
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (21 parents)
    Officer
    2025-07-14 ~ now
    IIF 8 - Director → ME
  • 8
    REATA UK LIMITED
    06786814
    Suite 2, Ground Floor, Templeback, 10 Temple Back, Bristol, England
    Active Corporate (11 parents)
    Officer
    2025-07-14 ~ now
    IIF 1 - Director → ME
  • 9
    SILVER ACQUISITION CO LIMITED
    09363050
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (10 parents, 1 offspring)
    Officer
    2025-07-14 ~ now
    IIF 3 - Director → ME
  • 10
    TUNGSTEN BIDCO LIMITED
    11852085
    Building 5 Foundation Park, Roxborough Way, Maidenhead, Berkshire, England
    Active Corporate (10 parents, 1 offspring)
    Officer
    2025-07-14 ~ now
    IIF 7 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.