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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

Cook, Martin Colin

    Related profiles found in government register
  • Cook, Martin Colin
    British general manager born in November 1960

    Resident in England

    Registered addresses and corresponding companies
  • Cook, Martin Colin
    British head of business development born in November 1960

    Resident in England

    Registered addresses and corresponding companies
    • Trees Community Centre, Hedingham Grove, Chelmsley Wood, Birmingham, B37 7TP, England

      IIF 9
child relation
Offspring entities and appointments 8
  • 1
    CARBON SENTINEL LIMITED
    - now 08116471
    NATIONAL GRID TWENTY NINE LIMITED - 2015-08-27
    1-3 Strand, London
    Active Corporate (22 parents)
    Officer
    2016-04-27 ~ 2021-07-01
    IIF 8 - Director → ME
  • 2
    GRO ORGANIC C.I.C.
    - now 07811703
    GRO ORGANIC LTD - 2012-03-28
    C/o Jt Maxwell Limited, Unit 2.01, Hollinwood Business Centre Albert Street Hollinwood, Failsworth
    Liquidation Corporate (15 parents)
    Officer
    2018-11-05 ~ 2020-12-15
    IIF 9 - Director → ME
  • 3
    NATIONAL GRID CARBON LIMITED
    - now 03932833
    NETMAP LIMITED - 2009-02-20
    NGH 1 LIMITED - 2001-07-27
    INTERCEDE 1562 LIMITED - 2000-05-22
    1 - 3 Strand, London
    Active Corporate (34 parents, 1 offspring)
    Officer
    2015-12-01 ~ 2021-07-01
    IIF 1 - Director → ME
  • 4
    NATIONAL GRID DISTRIBUTED ENERGY LIMITED
    10525864
    1-3 Strand, London
    Active Corporate (13 parents)
    Officer
    2016-12-14 ~ 2021-12-13
    IIF 5 - Director → ME
  • 5
    NATIONAL GRID ENERGY METERING LIMITED - now
    NATIONAL GAS METERING LIMITED - 2023-02-06
    NATIONAL GRID ENERGY METERING LIMITED
    - 2022-08-01 09575002
    1-3 Strand, London, Uk
    Active Corporate (10 parents)
    Officer
    2015-05-05 ~ 2021-07-01
    IIF 3 - Director → ME
  • 6
    NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED
    - now 08169384
    NATIONAL GRID THIRTY ONE LIMITED - 2012-10-05
    1-3 Strand, London
    Active Corporate (32 parents, 9 offsprings)
    Officer
    2015-12-01 ~ 2016-01-28
    IIF 6 - Director → ME
    2016-04-27 ~ 2019-01-07
    IIF 7 - Director → ME
  • 7
    NATIONAL GRID PLUS LIMITED - now
    NATIONAL GRID OFFSHORE LIMITED
    - 2020-03-27 03741098 10841592... (more)
    CADENT SERVICES LIMITED
    - 2017-05-02 03741098 10080921
    NATIONAL GRID OFFSHORE LIMITED
    - 2017-03-01 03741098 10841592... (more)
    NATIONAL GRID TWENTY TWO LIMITED - 2009-08-11
    NGG LIMITED - 2009-06-22
    NATIONAL GRID HOLDINGS LIMITED - 1999-03-25
    1 - 3 Strand, London
    Active Corporate (39 parents, 1 offspring)
    Officer
    2015-12-01 ~ 2020-03-17
    IIF 2 - Director → ME
  • 8
    NATIONAL GRID VENTURES LIMITED - now
    NATIONAL GRID THIRTY LIMITED
    - 2017-02-17 08116497
    1-3 Strand, London
    Active Corporate (18 parents)
    Officer
    2016-07-01 ~ 2017-02-17
    IIF 4 - Director → ME

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