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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

Ong, Marcus Alexander, Dr

    Related profiles found in government register
  • Ong, Marcus Alexander, Dr
    British company director born in June 1981

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Basildon House, 6 Floor, 7 - 11 Moorgate, London, EC2R 6AF, England

      IIF 1
  • Ong, Marcus Alexander, Dr
    British director born in June 1981

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 70, Gracechurch Street, London, EC3V 0HR, England

      IIF 2
  • Ong, Marcus Alexander, Dr
    British ceo born in June 1981

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 40-42, Scrutton Street, London, EC2A 4PP, England

      IIF 3
  • Marcus Alexander Ong
    British born in June 1981

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 70, Gracechurch Street, London, EC3V 0HR, England

      IIF 4
child relation
Offspring entities and appointments
Active 2
  • 1
    SPECTRA ANALYTICS LIMITED - 2024-04-11
    icon of address 70 Gracechurch Street, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -2,875,271 GBP2025-03-31
    Officer
    icon of calendar 2014-06-30 ~ now
    IIF 2 - Director → ME
  • 2
    icon of address Spectra Analytics, 40-42 Scrutton Street, London, England
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2016-04-28 ~ dissolved
    IIF 3 - Director → ME
Ceased 2
  • 1
    icon of address Basildon House 6 Floor, 7 - 11 Moorgate, London, England
    Dissolved Corporate (6 parents)
    Equity (Company account)
    100 GBP2022-11-30
    Officer
    icon of calendar 2019-11-12 ~ 2023-03-10
    IIF 1 - Director → ME
  • 2
    SPECTRA ANALYTICS LIMITED - 2024-04-11
    icon of address 70 Gracechurch Street, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -2,875,271 GBP2025-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ 2024-04-03
    IIF 4 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 4 - Ownership of shares – More than 25% but not more than 50% OE

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.