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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

Halladay, Graham Roy

    Related profiles found in government register
  • Halladay, Graham Roy
    British born in April 1966

    Resident in England

    Registered addresses and corresponding companies
  • Halladay, Graham Roy
    British distribution operations director born in April 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Avonbank, Feeder Road, Bristol, BS2 0TB, United Kingdom

      IIF 15
  • Halladay, Graham Roy
    British distributions operations director born in April 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address National Grid Electricity Distribution, Avonbank, Feeder Road, Bristol, BS2 0TB

      IIF 16
  • Halladay, Graham Roy
    British operations director born in April 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Avonbank, Feeder Road, Bristol, Avon, BS2 0TB

      IIF 17 IIF 18

    • icon of address Avonbank, Feeder Road, Bristol, BS2 0TB

      IIF 19
child relation
Offspring entities and appointments
Active 16
  • 1
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (4 parents)
    Officer
    icon of calendar 2022-10-10 ~ now
    IIF 9 - Director → ME
  • 2
    CENTRAL NETWORKS EAST PLC - 2011-04-01
    WESTERN POWER DISTRIBUTION (EAST MIDLANDS) PLC - 2022-09-20
    EAST MIDLANDS ELECTRICITY PLC - 1999-07-12
    POWERGEN ENERGY PLC - 2001-10-01
    EAST MIDLANDS ELECTRICITY DISTRIBUTION PLC. - 2004-04-05
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (10 parents, 1 offspring)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 10 - Director → ME
  • 3
    SOUTH WALES ELECTRICITY PLC - 2001-07-27
    WESTERN POWER DISTRIBUTION (SOUTH WALES) PLC - 2022-09-21
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (10 parents, 2 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 11 - Director → ME
  • 4
    WESTERN POWER DISTRIBUTION (SOUTH WEST) PLC - 2022-09-20
    SOUTH WESTERN ELECTRICITY PLC - 2001-07-27
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (10 parents, 4 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 6 - Director → ME
  • 5
    CENTRAL NETWORKS WEST PLC - 2011-04-01
    GPU POWER NETWORKS (UK) PLC - 2002-05-09
    FORAY 1152 LIMITED - 1998-09-07
    WESTERN POWER DISTRIBUTION (WEST MIDLANDS) PLC - 2022-09-20
    AQUILA NETWORKS PLC - 2004-04-05
    ENERGENT LIMITED - 2001-05-14
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (10 parents, 3 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 13 - Director → ME
  • 6
    WESTERN POWER GENERATION LIMITED - 2022-09-20
    SOUTH WESTERN POWER LIMITED - 1999-10-01
    STARTSTAGE LIMITED - 1988-02-08
    SOUTH WESTERN ELECTRICITY LIMITED - 1989-04-01
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (4 parents)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 2 - Director → ME
  • 7
    WPD INVESTMENT HOLDINGS LIMITED - 2022-09-20
    icon of address Avonbank, Feeder Road, Bristol, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2022-10-14 ~ dissolved
    IIF 15 - Director → ME
  • 8
    MEASURER LIMITED - 1988-05-26
    HYDER INDUSTRIAL GROUP LIMITED - 2004-06-25
    SOUTH WALES ELECTRICITY GENERATING LIMITED - 2000-04-14
    SOUTH WALES ELECTRICITY GENERATING (CYNHYRCHU TRYDAN DE CYMRU) LIMITED - 1990-10-22
    WESTERN POWER DISTRIBUTION INVESTMENTS LIMITED - 2022-09-20
    SOUTH WALES ELECTRICITY GENERATING (CYNHYRCHU TRYDAM DE CYMRU) LIMITED - 1988-06-08
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (4 parents, 7 offsprings)
    Officer
    icon of calendar 2022-10-14 ~ now
    IIF 8 - Director → ME
  • 9
    PPL MIDLANDS LIMITED - 2021-06-17
    WPD MIDLANDS LIMITED - 2022-09-20
    MIDLANDS ELECTRICITY PLC - 2004-04-05
    WPD MIDLANDS HOLDINGS LIMITED - 2014-11-10
    CENTRAL NETWORKS LIMITED - 2011-04-01
    CENTRAL NETWORKS PLC - 2010-12-22
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2022-10-14 ~ now
    IIF 7 - Director → ME
  • 10
    WPD DISTRIBUTION NETWORK HOLDINGS LIMITED - 2022-09-20
    WESTERN POWER DISTRIBUTION LIMITED - 2014-09-30
    WPD 2014 LIMITED - 2014-01-31
    icon of address Avonbank, Feeder Road, Bristol
    Active Corporate (5 parents, 15 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 12 - Director → ME
  • 11
    WESTERN POWER DISTRIBUTION LIMITED - 2015-06-24
    PPL WPD 2 LIMITED - 2014-09-30
    WESTERN POWER DISTRIBUTION PLC - 2022-09-20
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (8 parents, 3 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    IIF 1 - Director → ME
  • 12
    WPD PROPERTY INVESTMENTS LIMITED - 2022-09-20
    SWEB PROPERTIES LIMITED - 1992-03-02
    HOTSNOW LIMITED - 1989-05-26
    SWEB PROPERTY INVESTMENTS LIMITED - 1999-10-01
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (4 parents)
    Officer
    icon of calendar 2022-10-10 ~ now
    IIF 5 - Director → ME
  • 13
    WPDG LIMITED - 2022-10-14
    WPD LIMITED - 2001-10-29
    icon of address 1st And 2nd Floor, Elizabeth House, Les Ruettes Brayes, St Peter Port, Guernsey
    Converted / Closed Corporate (3 parents, 1 offspring)
    Officer
    icon of calendar 2022-10-06 ~ now
    IIF 16 - Director → ME
  • 14
    icon of address 6 Houndiscombe Road, Plymouth, Devon, United Kingdom
    Active Corporate (7 parents)
    Net Assets/Liabilities (Company account)
    17,673 GBP2024-04-30
    Officer
    icon of calendar 2024-06-30 ~ now
    IIF 14 - Director → ME
  • 15
    PPL UK INVESTMENTS LIMITED - 2021-06-16
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2022-10-14 ~ now
    IIF 3 - Director → ME
  • 16
    WPD INVESTMENT HOLDINGS LIMITED - 2011-03-24
    PPL WEM HOLDINGS PLC - 2013-10-22
    PPL WEM HOLDINGS LIMITED - 2011-03-24
    ALNERY NO. 2100 LIMITED - 2000-12-28
    PPL WEM HOLDINGS LIMITED - 2014-11-25
    PPL WEM LIMITED - 2021-06-16
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (4 parents)
    Officer
    icon of calendar 2022-10-14 ~ now
    IIF 4 - Director → ME
Ceased 3
  • 1
    SOUTH WESTERN HELICOPTERS LIMITED - 2022-09-20
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (5 parents)
    Officer
    icon of calendar 2019-01-14 ~ 2024-12-15
    IIF 17 - Director → ME
  • 2
    SWECOM LIMITED - 1993-06-25
    PRIZEADD LIMITED - 1989-07-12
    SURF TELECOMS LIMITED - 2018-12-19
    SWEB TELECOM LIMITED - 1999-09-01
    WPD TELECOMS LIMITED - 2022-09-20
    icon of address Avonbank, Feeder Road, Bristol, Avon
    Active Corporate (4 parents)
    Officer
    icon of calendar 2019-01-14 ~ 2024-12-15
    IIF 18 - Director → ME
  • 3
    WPD SMART METERING LIMITED - 2022-11-24
    icon of address Sentinel House, 10-12 Massetts Road, Horley, England
    Active Corporate (3 parents)
    Equity (Company account)
    10,401,354 GBP2024-05-31
    Officer
    icon of calendar 2019-01-14 ~ 2022-06-01
    IIF 19 - Director → ME

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