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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

Butterworth, Simon John

    Related profiles found in government register
  • Butterworth, Simon John
    British born in September 1964

    Resident in Wales

    Registered addresses and corresponding companies
    • Glan Fadyn, Cefn Morfa Morfa Nefyn, Pwllheli, Gwynedd, LL53 8UW

      IIF 1 IIF 2
    • Pwllheli Boatyard, Outer Harbour, Pwllheli, Gwynedd, LL53 5AY, Wales

      IIF 3
  • Butterworth, Simon John
    British managing director born in September 1964

    Resident in Wales

    Registered addresses and corresponding companies
    • Glan Fadyn, Cefn Morfa Morfa Nefyn, Pwllheli, Gwynedd, LL53 8UW

      IIF 4
  • Butterworth, Simon John
    British

    Registered addresses and corresponding companies
    • Glan Fadyn, Cefn Morfa Morfa Nefyn, Pwllheli, Gwynedd, LL53 8UW

      IIF 5
  • Mr Simon John Butterworth
    British born in September 1964

    Resident in Wales

    Registered addresses and corresponding companies
    • Pwllheli Boatyard, Outer Harbour, Pwllheli, Gwynedd, LL53 5AY

      IIF 6
child relation
Offspring entities and appointments 4
  • 1
    CHWARAEON DWR GOGLEDD CYMRU CYF
    05093263
    Dinorwic Marina Offices, Port Dinorwic Marina, Felinheli, Gwynedd
    Dissolved Corporate (10 parents)
    Officer
    2007-04-18 ~ 2011-03-15
    IIF 4 - Director → ME
  • 2
    FIRMHELM LIMITED
    01324374
    Pwllheli Boatyard, Outer Harbour, Pwllheli, Gwynedd
    Active Corporate (6 parents, 2 offsprings)
    Officer
    1994-07-22 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 6 - Ownership of shares – More than 50% but less than 75% OE
    IIF 6 - Ownership of voting rights - More than 50% but less than 75% OE
  • 3
    PWLLHELI MARINE CENTRE LIMITED
    03379032
    Pwllheli Marine Centre, Glan Don, Pwllheli, Gwynedd
    Active Corporate (12 parents)
    Officer
    1997-05-30 ~ now
    IIF 2 - Director → ME
    1997-05-30 ~ now
    IIF 5 - Secretary → ME
  • 4
    ROWLANDS MARINE ELECTRONICS LIMITED
    01647404
    Pwllheli Boatyard, Outer Harbour, Pwllheli, Gwynedd, Wales
    Active Corporate (10 parents)
    Officer
    2025-03-31 ~ now
    IIF 3 - Director → ME

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