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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

Wiliam, Sioned Mair

    Related profiles found in government register
  • Wiliam, Sioned Mair
    Cymraes born in June 1961

    Resident in England

    Registered addresses and corresponding companies
    • 85 Torbay Rd, Torbay Road, London, NW6 7DT, England

      IIF 1
  • Wiliam, Sioned Mair
    Cymraes chief executive born in June 1961

    Resident in England

    Registered addresses and corresponding companies
    • Canolfan S4c Yr Egin, College Road, Carmarthen, SA31 3EQ, Wales

      IIF 2 IIF 3 IIF 4
    • Yr Egin, College Road, Carmarthen, SA31 3EQ, United Kingdom

      IIF 6
  • Wiliam, Sioned Mair
    Cymraes commissioning editor bbc radio 4 born in June 1961

    Resident in England

    Registered addresses and corresponding companies
    • The London Welsh School, Hanwell Community Centre, Westcott Crescent, London, W7 1PD, England

      IIF 7
  • Wiliam, Sioned Mair
    Cymraes producer born in June 1961

    Resident in England

    Registered addresses and corresponding companies
    • 85, Torbay Road, London, NW6 7DT, England

      IIF 8
  • Wiliam, Sioned Mair
    Cymraes tv producer born in June 1961

    Resident in England

    Registered addresses and corresponding companies
  • William, Sioned Mair
    Welsh commissiong editor born in June 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Ysgol Gymraeg Llundain, Shakespeare Avenue, London, NW10 8NG, United Kingdom

      IIF 11
child relation
Offspring entities and appointments 8
  • 1
    CWMNI DA CYF
    - now 02902580
    MADTAFFIT CYFYNGEDIG - 1997-01-22
    Y Goleuad, Doc Fictoria, Caernarfon, Gwynedd
    Active Corporate (12 parents, 4 offsprings)
    Officer
    2022-09-05 ~ 2024-02-29
    IIF 8 - Director → ME
    2025-04-01 ~ now
    IIF 1 - Director → ME
  • 2
    PRIMROSE HILL MEDIA LIMITED
    - now 03344548
    ABOVE THE TITLE PRODUCTIONS LIMITED
    - 2010-03-03 03344548
    58 Old Mill Way, Weston Village, Weston Super Mare, North Somerset
    Dissolved Corporate (16 parents)
    Officer
    2008-02-18 ~ 2010-07-31
    IIF 10 - Director → ME
  • 3
    S4C DIGITAL MEDIA LIMITED
    - now 03418710
    S4C MASNACHOL CYF - 1998-08-12
    RJT 231 LIMITED - 1997-11-13
    Canolfan S4c Yr Egin, College Road, Carmarthen, Wales
    Active Corporate (37 parents, 2 offsprings)
    Officer
    2024-04-05 ~ 2025-01-01
    IIF 4 - Director → ME
  • 4
    S4C MASNACHOL CYF
    - now 03418713 03418710
    S4C BUDDSODDIAD CYF - 1998-08-12
    SDN LIMITED - 1998-02-09
    RJT 230 LIMITED - 1997-11-13
    Canolfan S4c Yr Egin, College Road, Carmarthen, Wales
    Active Corporate (37 parents, 3 offsprings)
    Officer
    2024-04-05 ~ 2025-01-01
    IIF 3 - Director → ME
  • 5
    S4C PTG CYFYNGEDIG
    11838942
    Yr Egin, College Road, Carmarthen, United Kingdom
    Active Corporate (19 parents)
    Officer
    2024-04-05 ~ 2025-01-01
    IIF 6 - Director → ME
  • 6
    S4C RHYNGWLADOL CYF
    - now 03542938
    RJT 241 LIMITED - 1998-07-27
    Canolfan S4c Yr Egin, College Road, Carmarthen, Wales
    Active Corporate (39 parents)
    Officer
    2024-04-05 ~ 2025-01-01
    IIF 5 - Director → ME
  • 7
    S4C2 CYF.
    - now 03725740
    RJT 251 LIMITED - 1999-04-20
    Canolfan S4c Yr Egin, College Road, Carmarthen, Wales
    Active Corporate (39 parents, 1 offspring)
    Officer
    2024-04-05 ~ 2025-01-01
    IIF 2 - Director → ME
  • 8
    THE WELSH SCHOOLS TRUST LIMITED
    04783466
    73 Cornhill, London, United Kingdom
    Active Corporate (47 parents)
    Officer
    2014-11-20 ~ 2020-03-10
    IIF 7 - Director → ME
    2007-05-16 ~ 2011-05-16
    IIF 9 - Director → ME
    2014-11-20 ~ 2014-11-20
    IIF 11 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.