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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

Calmonson, David Henry

    Related profiles found in government register
  • Calmonson, David Henry
    British born in March 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Suite 2, Pure Offices, Port Way, Port Solent, Portsmouth, Hampshire, PO6 4TY, United Kingdom

      IIF 1
  • Calmonson, David Henry
    British consultant born in March 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 36, Daylesford Crescent, Cheadle, Cheshire, SK8 1LH, United Kingdom

      IIF 2
  • Calmonson, David Henry
    British born in March 1957

    Resident in England

    Registered addresses and corresponding companies
    • 52, High Street, Pinner, HA5 5PW, England

      IIF 3
    • Flat 4, 1 The Drive, Radlett, WD7 7FG, England

      IIF 4
  • Mr David Henry Calmonson
    British born in March 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 36, Daylesford Crescent, Cheadle, Cheshire, SK8 1LH, United Kingdom

      IIF 5
  • David Henry Calmonson
    British born in March 1957

    Resident in England

    Registered addresses and corresponding companies
    • Flat 4, 1 The Drive, Radlett, WD7 7FG, England

      IIF 6
child relation
Offspring entities and appointments 4
  • 1
    ABBEYFIELDS RADLETT LIMITED
    - now 13317907
    ABBEYFIELDS RADLETT LIMITED
    - 2025-12-01 13317907
    52 High Street, Pinner, England
    Active Corporate (10 parents)
    Officer
    2025-05-27 ~ now
    IIF 3 - Director → ME
  • 2
    ENEGEN POWER SYSTEMS LIMITED
    - now 08163038
    DUNSTAN THOMAS ENERGY LIMITED - 2020-05-27
    Suite 2, Pure Offices Port Way, Port Solent, Portsmouth, Hampshire, United Kingdom
    Active Corporate (14 parents)
    Officer
    2020-09-06 ~ now
    IIF 1 - Director → ME
  • 3
    HILLSIDE RADLETT FREEHOLD LTD
    - now 16453311
    HILLSIDERADLETT FREEHOLD LTD
    - 2025-06-23 16453311
    Flat 13 1 The Drive, Radlett, England
    Active Corporate (5 parents)
    Officer
    2025-05-15 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2025-05-15 ~ 2025-05-21
    IIF 6 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 6 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 6 - Right to appoint or remove directors OE
  • 4
    OPPORTUNITY DEVELOPMENT LIMITED
    11560142 06808430
    36 Daylesford Crescent, Cheadle, Cheshire, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2018-09-10 ~ dissolved
    IIF 2 - Director → ME
    Person with significant control
    2018-09-10 ~ dissolved
    IIF 5 - Ownership of voting rights - 75% or more OE
    IIF 5 - Right to appoint or remove directors OE
    IIF 5 - Ownership of shares – 75% or more OE

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