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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

Culkin, Simon Ross

    Related profiles found in government register
  • Culkin, Simon Ross
    British born in May 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Grain Rd, Isle Of Grain, Rochester, Kent, ME3 0AB, England

      IIF 1 IIF 2
  • Culkin, Simon Ross
    British director born in May 1972

    Resident in United Kingdom

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

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

      IIF 4
    • 1-3, Strand, London, WC2N 5EH, United Kingdom

      IIF 5
child relation
Offspring entities and appointments 5
  • 1
    CARBON SENTINEL LIMITED
    - now 08116471
    NATIONAL GRID TWENTY NINE LIMITED - 2015-08-27
    1-3 Strand, London
    Active Corporate (22 parents)
    Officer
    2021-07-01 ~ 2025-09-30
    IIF 4 - Director → ME
  • 2
    GRAIN LNG LIMITED
    - now 04463679
    NATIONAL GRID GRAIN LNG LIMITED
    - 2025-12-10 04463679
    GRAIN LNG LIMITED - 2005-10-10
    LATTICE LNG HOLDINGS LIMITED - 2003-01-27
    LNG HOLDINGS LIMITED - 2002-07-22
    Grain Rd, Isle Of Grain, Rochester, Kent, England
    Active Corporate (50 parents)
    Officer
    2013-04-30 ~ now
    IIF 2 - 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
    2021-07-01 ~ 2025-09-30
    IIF 3 - Director → ME
  • 4
    NATIONAL GRID HYDROGEN LIMITED
    13934690
    1-3 Strand, London, United Kingdom
    Active Corporate (8 parents)
    Officer
    2022-02-23 ~ 2025-09-30
    IIF 5 - Director → ME
  • 5
    THAMESPORT INTERCHANGE LIMITED
    06404380
    Grain Rd, Isle Of Grain, Rochester, Kent, England
    Active Corporate (38 parents)
    Officer
    2021-05-01 ~ now
    IIF 1 - Director → ME

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.