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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

Dr Joao Fernando Viegas Carreira

    Related profiles found in government register
  • Dr Joao Fernando Viegas Carreira
    Portuguese born in August 1968

    Resident in Portugal

    Registered addresses and corresponding companies
    • 48, Pq Industrial De Taveiro, Coimbra, 3045-504, Portugal

      IIF 1
  • Carreira, Joao Fernando Viegas, Dr
    Portuguese company director born in August 1968

    Registered addresses and corresponding companies
    • 1, Urbanizacao, Quinto Do Barroso, Condeixa-a-nova, Sebal, 3150287, Portugal

      IIF 2
  • Viegas Carreira, Joao Fernando
    Portuguese born in August 1968

    Resident in Portugal

    Registered addresses and corresponding companies
    • House, 9 Ocean Way, Southampton, Hampshire, SO14 3TJ, United Kingdom

      IIF 3
child relation
Offspring entities and appointments 2
  • 1
    CRITICAL SOFTWARE LTD
    - now 05256049
    CRITICAL SOFTWARE TECHNOLOGIES LIMITED
    - 2025-02-03 05256049 07745872
    Tagus House, 9 Ocean Way, Southampton, Hampshire, United Kingdom
    Active Corporate (12 parents)
    Officer
    2004-10-12 ~ 2007-03-31
    IIF 2 - Director → ME
    2014-09-05 ~ now
    IIF 3 - Director → ME
  • 2
    N3RGY DATA LIMITED
    11712674
    Prennau House Copse Walk, Pontprennau, Cardiff, Wales
    Active Corporate (12 parents)
    Person with significant control
    2020-01-02 ~ 2022-05-25
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE

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