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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

Mccalla, Simon James

    Related profiles found in government register
  • Mccalla, Simon James
    British born in January 1971

    Resident in England

    Registered addresses and corresponding companies
    • 37, St. Margaret's Street, Canterbury, CT1 2TU, England

      IIF 1
    • 4th Floor, Saddlers House, 44 Gutter Lane, London, EC2V 6BR, England

      IIF 2 IIF 3 IIF 4
    • 4th Floor, Saddlers House, Gutter Lane, London, EC2V 6BR, England

      IIF 8
    • Unit 6, Church Farm, Reading Road, Woodcote, Reading, Berkshire, RG8 0QX, United Kingdom

      IIF 9
  • Mccalla, Simon James
    British chief executive born in January 1971

    Resident in England

    Registered addresses and corresponding companies
    • 24, Southwark Bridge Road, London, SE1 9HF, England

      IIF 10
  • Mccalla, Simon James
    British chief executive officer born in January 1971

    Resident in England

    Registered addresses and corresponding companies
    • 5, Old Bailey, London, EC4M 7BA, England

      IIF 11
  • Mccalla, Simon James
    British chief technology officer born in January 1971

    Resident in England

    Registered addresses and corresponding companies
    • 177-179 Burton Road, West Didsbury, Manchester, M20 2BB

      IIF 12
    • Minerva House, Edmund Halley Road, Oxford Science Park, Oxford, Oxfordshire, OX4 4DQ, United Kingdom

      IIF 13
  • Mccalla, Simon James
    British company director born in January 1971

    Resident in England

    Registered addresses and corresponding companies
  • Mccalla, Simon James
    British director born in January 1971

    Resident in England

    Registered addresses and corresponding companies
    • 4th Floor, 350 Euston Road, London, NW1 3AW

      IIF 17 IIF 18 IIF 19
    • 4th Floor, Saddlers House, 44 Gutter Lane, London, EC2V 6BR, England

      IIF 20
child relation
Offspring entities and appointments 20

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