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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

Slye, Fintan Charles

    Related profiles found in government register
  • Slye, Fintan Charles
    Irish born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • St Catherine's Lodge, Bearwood Road, Sindlesham, Wokingham, RG41 5BN, England

      IIF 1
  • Slye, Fintan Charles
    Irish company director born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • 1 - 3 Strand, London, WC2N 5EH

      IIF 2
    • 1-3 Strand, London, WC2N 5EH

      IIF 3
  • Slye, Fintan Charles
    Irish executive director, electricity system operator born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • 4, More London Riverside, London, SE1 2AU, England

      IIF 4
  • Slye, Fintan Charles
    Irish chief executive born in March 1970

    Resident in Ireland

    Registered addresses and corresponding companies
    • Castlereagh House, 12 Manse Road, Belfast, BT6 9RT

      IIF 5
    • Castlereagh House, 12 Manse Road, Belfast, Northern Ireland, BT6 9RT

      IIF 6
child relation
Offspring entities and appointments 6
  • 1
    EIRGRID UK HOLDINGS LIMITED
    - now NI070243
    ALG (SHELF COMPANY NO.8) LIMITED - 2009-03-05
    Victoria House, 15-17 Gloucester Street, Belfast, Northern Ireland
    Active Corporate (15 parents, 1 offspring)
    Officer
    2012-09-28 ~ 2017-12-31
    IIF 5 - Director → ME
  • 2
    ENERGY NETWORKS ASSOCIATION LIMITED
    04832301
    4 More London Riverside, London, England
    Active Corporate (99 parents, 1 offspring)
    Officer
    2021-03-12 ~ 2024-10-01
    IIF 4 - Director → ME
  • 3
    NATIONAL ENERGY SYSTEM OPERATOR LIMITED
    - now 11014226 10841592
    NATIONAL GRID ELECTRICITY SYSTEM OPERATOR LIMITED
    - 2024-10-01 11014226
    St Catherine's Lodge Bearwood Road, Sindlesham, Wokingham, England
    Active Corporate (28 parents, 1 offspring)
    Officer
    2019-03-01 ~ now
    IIF 1 - Director → ME
  • 4
    NATIONAL GAS TRANSMISSION PLC - now
    NATIONAL GRID GAS PLC
    - 2023-02-06 02006000 04023840
    TRANSCO PLC - 2005-10-10
    BG TRANSCO PLC - 2000-10-23
    BG PUBLIC LIMITED COMPANY - 1999-12-13
    BRITISH GAS PUBLIC LIMITED COMPANY - 1997-02-17
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Active Corporate (111 parents, 6 offsprings)
    Officer
    2018-02-07 ~ 2020-01-01
    IIF 3 - Director → ME
  • 5
    NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    - now 02366977
    NATIONAL GRID COMPANY PLC - 2005-07-26
    THE NATIONAL GRID COMPANY PLC - 2002-10-21
    1 - 3 Strand, London
    Active Corporate (72 parents, 8 offsprings)
    Officer
    2018-02-07 ~ 2019-03-31
    IIF 2 - Director → ME
  • 6
    SONI LIMITED
    NI038715
    Castlereagh House, 12 Manse Road, Belfast, Northern Ireland
    Active Corporate (38 parents)
    Officer
    2011-08-18 ~ 2016-12-22
    IIF 6 - Director → ME

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