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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

Todd, Alistair Mark

    Related profiles found in government register
  • Todd, Alistair Mark
    British born in November 1975

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Todd, Alistair Mark
    British chartered accountant born in November 1975

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Todd, Alistair Mark
    British finance director born in November 1975

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Todd, Alistair Mark
    British group chief accountant born in November 1975

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 12
  • 1
    BIRCH SITES LIMITED
    06404382
    1-3 Strand, London
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-09-01 ~ now
    IIF 3 - Director → ME
  • 2
    CARBON SENTINEL LIMITED
    - now 08116471
    NATIONAL GRID TWENTY NINE LIMITED - 2015-08-27 04547956
    1-3 Strand, London
    Active Corporate (4 parents)
    Officer
    2025-09-30 ~ now
    IIF 7 - Director → ME
  • 3
    NATIONAL GRID CARBON LIMITED
    - now 03932833
    NETMAP LIMITED - 2009-02-20
    NGH 1 LIMITED - 2001-07-27 03932773
    INTERCEDE 1562 LIMITED - 2000-05-22 01674180, 01678668, 01678669... (more)
    1 - 3 Strand, London
    Active Corporate (4 parents, 1 offspring)
    Officer
    2025-09-30 ~ now
    IIF 1 - Director → ME
  • 4
    NATIONAL GRID ENERGY METERING LIMITED
    - now 09575002
    NATIONAL GAS METERING LIMITED - 2023-02-06 03705992
    NATIONAL GRID ENERGY METERING LIMITED - 2022-08-01
    1-3 Strand, London, Uk
    Active Corporate (3 parents)
    Officer
    2023-09-01 ~ now
    IIF 6 - Director → ME
  • 5
    NATIONAL GRID HYDROGEN LIMITED
    13934690
    1-3 Strand, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-09-30 ~ now
    IIF 12 - Director → ME
  • 6
    NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED
    - now 08169384
    NATIONAL GRID THIRTY ONE LIMITED - 2012-10-05
    1-3 Strand, London
    Active Corporate (5 parents, 9 offsprings)
    Officer
    2023-09-01 ~ now
    IIF 10 - Director → ME
  • 7
    NATIONAL GRID PROPERTY HOLDINGS LIMITED
    - now 03797578
    SECONDSITE PROPERTY HOLDINGS LIMITED - 2005-10-10 04024441
    LATTICE PROPERTY HOLDINGS LIMITED - 2002-10-21 04024441
    BG PROPERTY HOLDINGS LIMITED - 2000-10-23 02531489
    BG PROPERTY PORTFOLIO LIMITED - 1999-07-19 02531489
    1-3 Strand, London
    Active Corporate (4 parents, 4 offsprings)
    Officer
    2023-09-01 ~ now
    IIF 2 - Director → ME
  • 8
    NATIONAL GRID TWENTY EIGHT LIMITED
    07926588
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2023-09-01 ~ now
    IIF 8 - Director → ME
  • 9
    NATIONAL GRID TWENTY SEVEN LIMITED
    07926596
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2023-09-01 ~ now
    IIF 11 - Director → ME
  • 10
    NATIONAL GRID WILLIAM LIMITED
    - now 07290232
    NATIONAL GRID TWENTY-SIX LIMITED - 2014-11-05
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2023-09-01 ~ now
    IIF 9 - Director → ME
  • 11
    PORT GREENWICH LIMITED
    - now 02392867
    HACKREMCO (NO.492) LIMITED - 1989-11-20 01443124, 01500669, 01525148... (more)
    1-3 Strand, London
    Active Corporate (4 parents)
    Officer
    2023-09-01 ~ now
    IIF 4 - Director → ME
  • 12
    TP LEASING LIMITED
    08767792
    1 King William Street, London, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2025-07-21 ~ now
    IIF 5 - Director → ME
Ceased 23
  • 1
    BRITISH GAS FINANCE LIMITED
    - now 06796004
    CENTRICA FINANCE (UK) LIMITED - 2014-02-06 04140765
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents)
    Officer
    2014-04-01 ~ 2018-03-28
    IIF 32 - Director → ME
  • 2
    BRITISH GAS INSURANCE LIMITED
    06608316
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (8 parents)
    Officer
    2015-03-03 ~ 2017-10-24
    IIF 30 - Director → ME
  • 3
    BRITISH GAS NEW HEATING LIMITED
    06723244
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2014-04-01 ~ 2016-10-10
    IIF 34 - Director → ME
  • 4
    BRITISH GAS SERVICES LIMITED
    - now 03141243 03167150, 03196725, 03254203... (more)
    BRITISH GAS SERVICE LIMITED - 1997-02-17 03167150, 03196725, 03254203... (more)
    CACTUSHAVEN PLC - 1996-05-15
    Millstream Maidenhead Road, Windsor, Berkshire
    Active Corporate (8 parents, 1 offspring)
    Officer
    2014-05-15 ~ 2018-03-28
    IIF 29 - Director → ME
  • 5
    CENTRICA BETA HOLDINGS LIMITED
    04710850
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents, 3 offsprings)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 27 - Director → ME
  • 6
    CENTRICA COMBINED COMMON INVESTMENT FUND LIMITED
    04541886
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (8 parents, 12 offsprings)
    Officer
    2013-03-04 ~ 2019-05-31
    IIF 31 - Director → ME
  • 7
    CENTRICA ENERGY INVESTMENTS LIMITED - now
    CENTRICA HYDROGEN INNOVATIONS LIMITED - 2025-07-02
    CENTRICA FINANCE INVESTMENTS LIMITED
    - 2024-06-07 06795997
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (5 parents)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 24 - Director → ME
  • 8
    CENTRICA ENERGY MARKETING LIMITED
    08807923
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents)
    Officer
    2013-12-09 ~ 2013-12-11
    IIF 35 - Director → ME
  • 9
    CENTRICA FINANCE (CANADA) LIMITED
    04055254
    Millstream Maidenhead Road, Windsor, Berkshire
    Dissolved Corporate (5 parents)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 22 - Director → ME
  • 10
    CENTRICA FINANCE (SCOTLAND) LIMITED
    SC436640
    1 Waterfront Avenue, Edinburgh, Scotland
    Active Corporate (4 parents, 7 offsprings)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 23 - Director → ME
  • 11
    CENTRICA FINANCE (US) LIMITED
    04140765 06796004
    Millstream Maidenhead Road, Windsor, Berkshire
    Dissolved Corporate (5 parents, 1 offspring)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 20 - Director → ME
  • 12
    CENTRICA GAMMA HOLDINGS LIMITED
    04710840
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents, 1 offspring)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 26 - Director → ME
  • 13
    CENTRICA LAKE LIMITED
    09223347
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 25 - Director → ME
  • 14
    CENTRICA OVERSEAS HOLDINGS LIMITED
    03922153
    Millstream Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents, 2 offsprings)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 21 - Director → ME
  • 15
    Millstream, Maidenhead Road, Windsor, Berkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 28 - Director → ME
  • 16
    DYNO-ROD LIMITED
    - now 01046906
    DYNO-ROD PUBLIC LIMITED COMPANY - 2005-01-27
    Millstream, Maidenhead Road, Windsor, Berkshire
    Active Corporate (5 parents, 4 offsprings)
    Officer
    2014-09-01 ~ 2016-10-10
    IIF 33 - Director → ME
  • 17
    GB GAS HOLDINGS LIMITED
    - now 03186121
    GB GAS HOLDINGS - 1996-07-04
    ERADINE - 1996-06-26
    Millstream Maidenhead Road, Windsor, Berkshire
    Active Corporate (4 parents, 67 offsprings)
    Officer
    2018-01-01 ~ 2019-11-18
    IIF 19 - Director → ME
  • 18
    NATIONAL GAS TRANSMISSION HOLDINGS LIMITED - now
    NATIONAL GRID GAS HOLDINGS LIMITED
    - 2023-02-06 03675375
    NATIONAL GRID GAS HOLDINGS PLC - 2009-01-12
    TRANSCO HOLDINGS PLC - 2005-10-10
    BG TRANSCO HOLDINGS PLC - 2000-10-23
    AILDON - 1999-09-10 08309794
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Active Corporate (12 parents, 1 offspring)
    Officer
    2020-07-21 ~ 2021-08-01
    IIF 17 - Director → ME
  • 19
    NATIONAL GAS TRANSMISSION PLC - now 10841592
    NATIONAL GRID GAS PLC
    - 2023-02-06 02006000 04023840
    TRANSCO PLC - 2005-10-10 04023840
    BG TRANSCO PLC - 2000-10-23 03167150
    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 (16 parents, 3 offsprings)
    Officer
    2020-04-30 ~ 2021-08-01
    IIF 16 - Director → ME
  • 20
    NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    - now 02366977
    NATIONAL GRID COMPANY PLC - 2005-07-26 04031152
    THE NATIONAL GRID COMPANY PLC - 2002-10-21
    1 - 3 Strand, London
    Active Corporate (11 parents, 6 offsprings)
    Officer
    2020-04-30 ~ 2021-08-01
    IIF 15 - Director → ME
  • 21
    NATIONAL GRID GRAIN LNG LIMITED
    - now 04463679
    GRAIN LNG LIMITED - 2005-10-10
    LATTICE LNG HOLDINGS LIMITED - 2003-01-27
    LNG HOLDINGS LIMITED - 2002-07-22
    1-3 Strand, London
    Active Corporate (4 parents)
    Officer
    2023-09-01 ~ 2025-11-28
    IIF 13 - Director → ME
  • 22
    NGET/SPT UPGRADES LIMITED
    - now 07057886
    JV NOMINEES 2009 LIMITED - 2010-01-03 08082344, 08082355
    1-3 Strand, London
    Active Corporate (7 parents)
    Officer
    2020-04-03 ~ 2021-09-22
    IIF 18 - Director → ME
  • 23
    THAMESPORT INTERCHANGE LIMITED
    06404380
    1-3 Strand, London
    Active Corporate (4 parents)
    Officer
    2023-09-01 ~ 2025-11-28
    IIF 14 - Director → ME

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