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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 John William Mason

    Related profiles found in government register
  • Dr John William Mason
    British born in July 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Phc House, St Leonards Road, 20/20 Business Park, Maidstone, Kent, ME16 0FJ

      IIF 1
    • Phc House, St Leonards Road, 20/20 Business Park, Maidstone, Kent, ME16 0FJ, United Kingdom

      IIF 2
  • Dr John William Mason
    British born in July 1954

    Resident in England

    Registered addresses and corresponding companies
    • Phc House, Saint Leonards Road, 20/20 Business Park, Maidstone Kent, ME16 0FJ

      IIF 3
    • P H C House, St. Leonards Road, Maidstone, ME16 0FJ, England

      IIF 4
  • Mason, John William, Dr
    British born in July 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Phc House, St Leonards Road, 20/20 Business Park, Maidstone, Kent, ME16 0FJ

      IIF 5
    • Phc House, St Leonards Road, 20/20 Business Park, Maidstone, Kent, ME16 0FJ, United Kingdom

      IIF 6 IIF 7
  • Mason, John William, Dr
    British born in July 1954

    Resident in England

    Registered addresses and corresponding companies
    • P H C House, St. Leonards Road, Maidstone, ME16 0FJ, England

      IIF 8
  • Mason, John William, Dr
    British medical practitioner born in July 1954

    Resident in England

    Registered addresses and corresponding companies
    • Phc House, Saint Leonards Road, 20/20 Business Park, Maidstone Kent, ME16 0FJ

      IIF 9
child relation
Offspring entities and appointments 5
  • 1
    P H C HEALTH & SAFETY LTD.
    - now 04380718 03522445
    PHC OCCUPATIONAL HEALTH LIMITED
    - 2006-02-03 04380718 03522445
    Phc House St Leonards Road, 20-20 Business Park, Maidstone, Kent
    Active Corporate (4 parents)
    Officer
    2002-02-25 ~ now
    IIF 6 - Director → ME
  • 2
    PHC OCCUPATIONAL HEALTH LIMITED
    - now 03522445 04380718
    P H C HEALTH & SAFETY LTD.
    - 2006-02-03 03522445 04380718
    Phc House, Saint Leonards Road, 20/20 Business Park, Maidstone, Kent
    Active Corporate (3 parents)
    Officer
    1998-03-05 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 2 - Ownership of shares – More than 50% but less than 75% OE
    IIF 2 - Ownership of voting rights - More than 50% but less than 75% OE
  • 3
    THE MANAGING ABSENCE COMPANY LIMITED
    05428248
    Phc House, St Leonards Road, 20/20 Business Park, Maidstone, Kent
    Active Corporate (2 parents)
    Officer
    2005-04-19 ~ now
    IIF 5 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 1 - Ownership of shares – 75% or more OE
    IIF 1 - Ownership of voting rights - 75% or more OE
  • 4
    THE PREVENTATIVE HEALTHCARE COMPANY (EOT) LIMITED
    16432675 01998510... (more)
    P H C House, St. Leonards Road, Maidstone, England
    Active Corporate (5 parents, 1 offspring)
    Officer
    2025-05-06 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2025-05-06 ~ 2025-06-18
    IIF 4 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 5
    THE PREVENTATIVE HEALTHCARE COMPANY LIMITED - now
    PREVENTATIVE HEALTH CARE COMPANY LIMITED(THE)
    - 2025-07-21 01998510 16432675
    COLDDALE LIMITED
    - 1986-07-15 01998510
    Phc House, Saint Leonards Road, 20/20 Business Park, Maidstone Kent
    Active Corporate (6 parents, 1 offspring)
    Officer
    ~ 2025-06-18
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-06-18
    IIF 3 - Ownership of shares – More than 50% but less than 75% OE

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