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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

Hamer, Martin Simon

    Related profiles found in government register
  • Hamer, Martin Simon
    British born in February 1963

    Resident in England

    Registered addresses and corresponding companies
    • 23, Roscoe Street, Liverpool, L1 2SX, England

      IIF 1
    • 301, The Tea Factory, 82 Wood Street, Liverpool, L1 4DQ, England

      IIF 2
    • 44, Canal Street, Bootle, Liverpool, Merseyside, L20 8QU, United Kingdom

      IIF 3
  • Mr Martin Simon Hamer
    British born in February 1963

    Resident in England

    Registered addresses and corresponding companies
    • 44, Canal Street, Bootle, Liverpool, Merseyside, L20 8QU, United Kingdom

      IIF 4
child relation
Offspring entities and appointments 3
  • 1
    SOUND TESTING.CO.UK LIMITED
    - now 12500957 05747028
    SPRATT & HAMER LIMITED
    - 2022-04-29 12500957 05747028
    Suite S17, Ic3 Suite S17, Ic3 Liverpool Science Park, 131 Mount Pleasant, Liverpool, England
    Active Corporate (3 parents)
    Officer
    2020-03-05 ~ 2024-02-13
    IIF 2 - Director → ME
  • 2
    SPRATT & HAMER LIMITED
    - now 05747028 12500957
    SOUND TESTING.CO.UK LIMITED
    - 2022-04-29 05747028 12500957
    131 Suite S17, Ic3 Liverpool Science Park, 131 Mount Pleasant, Liverpool, England
    Active Corporate (7 parents)
    Officer
    2015-10-20 ~ 2024-02-13
    IIF 1 - Director → ME
  • 3
    THIRD OCTAVE HOLDINGS LIMITED
    11162956
    131 Suite S17, Ic3 Liverpool Science Park, 131 Mount Pleasant, Liverpool, England
    Active Corporate (2 parents, 2 offsprings)
    Officer
    2018-01-22 ~ 2024-02-13
    IIF 3 - Director → ME
    Person with significant control
    2018-01-22 ~ 2024-02-13
    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 22 March 2026 and licensed under the Open Government Licence v3.0.