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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

Hall, Martin

    Related profiles found in government register
  • Hall, Martin
    British born in October 1956

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Watermoor Point, Watermoor Road, Cirencester, GL7 1LF, England

      IIF 1
  • Hall, Martin
    British born in October 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Calder & Co, 30 Orange Street, London, WC2H 7HF, United Kingdom

      IIF 2
  • Mr Martin Hall
    British born in October 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Calder & Co, 16 Charles Ii Street, London, SW1Y 4NW

      IIF 3
  • Martin Hall
    British born in October 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Calder & Co, 30 Orange Street, London, WC2H 7HF, United Kingdom

      IIF 4
child relation
Offspring entities and appointments
Active 2
  • 1
    HASSLE FREE BOILERS LTD - 2022-01-27
    icon of address Watermoor Point, Watermoor Road, Cirencester, England
    Active Corporate (8 parents, 2 offsprings)
    Equity (Company account)
    4,972,419 GBP2024-10-31
    Officer
    icon of calendar 2025-10-02 ~ now
    IIF 1 - Director → ME
  • 2
    icon of address Calder & Co, 30 Orange Street, London, United Kingdom
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    644,797 GBP2023-10-01 ~ 2024-09-30
    Officer
    icon of calendar 2016-09-02 ~ now
    IIF 2 - Director → ME
    Person with significant control
    icon of calendar 2016-09-02 ~ now
    IIF 4 - Ownership of shares – 75% or more with control over the trustees of a trustOE
    IIF 4 - Right to appoint or remove directors with control over the trustees of a trustOE
    IIF 4 - Ownership of voting rights - 75% or more with control over the trustees of a trustOE
Ceased 1
  • 1
    icon of address Calder & Co, 30 Orange Street, London, United Kingdom
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    644,797 GBP2023-10-01 ~ 2024-09-30
    Person with significant control
    icon of calendar 2016-09-02 ~ 2016-09-02
    IIF 3 - Ownership of shares – 75% or more OE
    IIF 3 - Right to appoint or remove directors OE
    IIF 3 - Ownership of voting rights - 75% or more OE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.