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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

Grant, Simon Warren

child relation
Offspring entities and appointments
Active 5
  • 1
    NATIONAL GRID FOURTEEN LIMITED
    04382950
    15 Canada Square, London
    Dissolved Corporate (4 parents)
    Officer
    2017-07-20 ~ dissolved
    IIF 24 - Director → ME
  • 2
    NATIONAL GRID SEVENTEEN LIMITED
    04492598
    15 Canada Square, London
    Dissolved Corporate (5 parents)
    Officer
    2019-12-09 ~ dissolved
    IIF 25 - Director → ME
  • 3
    NATIONAL GRID THIRTY FIVE LIMITED
    - now 05284987
    NGT LUXEMBOURG ONE LIMITED - 2016-01-14
    15 Canada Square, London
    Dissolved Corporate (5 parents)
    Officer
    2017-07-27 ~ dissolved
    IIF 27 - Director → ME
  • 4
    NATIONAL GRID TWENTY-FIVE LIMITED
    07290258
    15 Canada Square, London
    Dissolved Corporate (5 parents)
    Officer
    2017-07-27 ~ dissolved
    IIF 26 - Director → ME
  • 5
    NGT TELECOM NO. 1 LIMITED
    - now 03751494 04134417
    186K LIMITED - 2003-05-21 03744335, 04937421, 13771291
    FPLTELECOM LIMITED - 2000-11-07
    FIXED P.T.O. LIMITED - 2000-08-14
    BG (TVP) HOLDINGS LIMITED - 2000-06-05
    15 Canada Square, London
    Dissolved Corporate (5 parents)
    Officer
    2017-09-05 ~ dissolved
    IIF 28 - Director → ME
Ceased 52
  • 1
    BIRCH SITES LIMITED
    06404382
    1-3 Strand, London
    Active Corporate (4 parents, 1 offspring)
    Officer
    2021-04-16 ~ 2023-02-20
    IIF 9 - Director → ME
  • 2
    LATTICE GROUP LIMITED
    - now 03900804
    LATTICE GROUP PLC - 2016-10-03
    SHELBA MARKETING LIMITED - 2000-08-30
    1-3 Strand, London
    Active Corporate (9 parents, 3 offsprings)
    Officer
    2017-08-03 ~ 2024-10-01
    IIF 12 - Director → ME
  • 3
    NATGRID ONE LIMITED
    05521240
    C/o Interpath Limited 10, Fleet Place, London
    Dissolved Corporate (2 parents)
    Officer
    2017-07-20 ~ 2022-06-21
    IIF 14 - Director → ME
  • 4
    NATGRIDTW1 LIMITED
    - now 07579324
    NATIONAL GRID (LUX) INVESTMENTS LIMITED - 2012-12-21
    1-3 Strand, London
    Active Corporate (4 parents)
    Officer
    2017-07-27 ~ 2023-02-14
    IIF 21 - Director → ME
  • 5
    NATIONAL GRID (US) HOLDINGS LIMITED
    - now 02630496 03096772, 03741098
    ELECCOM LIMITED - 1999-05-28
    INTERCEDE 917 LIMITED - 1991-12-09 01674180, 01678668, 01678669... (more)
    1 - 3 Strand, London
    Active Corporate (4 parents, 3 offsprings)
    Officer
    2017-08-03 ~ 2024-10-31
    IIF 7 - Director → ME
  • 6
    NATIONAL GRID (US) INVESTMENTS 2 LIMITED
    - now 03784528 03784527, 03867114, 03867128
    NATIONAL GRID (US) INVESTMENTS 2 - 2009-03-02 03784527, 03867114, 03867128
    C/o Interpath Limited, 10 Fleet Place, London
    Dissolved Corporate (2 parents)
    Officer
    2017-07-27 ~ 2022-06-21
    IIF 3 - Director → ME
  • 7
    NATIONAL GRID (US) INVESTMENTS 4 LIMITED
    03867128 03784527, 03784528, 03867114
    1 - 3 Strand, London
    Active Corporate (6 parents, 2 offsprings)
    Officer
    2017-08-03 ~ 2024-10-31
    IIF 1 - Director → ME
  • 8
    NATIONAL GRID (US) PARTNER 1 LIMITED
    04314432 04314442, 09874533
    1-3 Strand, London
    Active Corporate (5 parents, 5 offsprings)
    Officer
    2017-07-27 ~ 2024-10-31
    IIF 22 - Director → ME
  • 9
    NATIONAL GRID COMMERCIAL HOLDINGS LIMITED
    - now 04042700
    LATTICE GROUP HOLDINGS LIMITED - 2005-10-10
    HACKREMCO (NO.1694) LIMITED - 2000-09-25 01443124, 01500669, 01525148... (more)
    1-3 Strand, London
    Active Corporate (8 parents, 6 offsprings)
    Officer
    2017-11-28 ~ 2024-10-01
    IIF 17 - Director → ME
  • 10
    NATIONAL GRID HOLDINGS LIMITED
    - now 03096772 02630496, 03741098
    NGG LIMITED - 1999-03-25 03741098
    INTERCEDE 1146 LIMITED - 1995-10-26 01674180, 01678668, 01678669... (more)
    1-3 Strand, London
    Active Corporate (6 parents, 8 offsprings)
    Officer
    2017-08-03 ~ 2024-10-31
    IIF 13 - Director → ME
  • 11
    NATIONAL GRID HOLDINGS ONE PLC
    - now 02367004
    NATIONAL GRID GROUP PLC - 2002-01-31 04031152
    THE NATIONAL GRID GROUP PLC - 2000-07-27
    THE NATIONAL GRID HOLDING PLC - 1995-11-17
    1 - 3 Strand, London
    Active Corporate (8 parents, 13 offsprings)
    Officer
    2017-08-10 ~ 2024-10-01
    IIF 8 - Director → ME
  • 12
    NATIONAL GRID INTERNATIONAL LIMITED
    - now 02537092
    NGC ONE LIMITED - 1998-02-04
    INTERCEDE 851 LIMITED - 1991-05-01 01674180, 01678668, 01678669... (more)
    1 - 3 Strand, London
    Active Corporate (5 parents)
    Officer
    2017-07-27 ~ 2024-10-31
    IIF 5 - Director → ME
  • 13
    NATIONAL GRID PLUS LIMITED
    - now 03741098
    NATIONAL GRID OFFSHORE LIMITED - 2020-03-27 10841592
    CADENT SERVICES LIMITED - 2017-05-02 10080921
    NATIONAL GRID OFFSHORE LIMITED - 2017-03-01 10841592
    NATIONAL GRID TWENTY TWO LIMITED - 2009-08-11
    NGG LIMITED - 2009-06-22 03096772
    NATIONAL GRID HOLDINGS LIMITED - 1999-03-25 02630496, 03096772
    1 - 3 Strand, London
    Active Corporate (5 parents, 1 offspring)
    Officer
    2021-04-16 ~ 2022-07-12
    IIF 4 - Director → ME
  • 14
    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
    2021-04-16 ~ 2023-02-20
    IIF 11 - Director → ME
  • 15
    NATIONAL GRID TWELVE LIMITED
    04355616
    1 - 3 Strand, London
    Active Corporate (5 parents)
    Officer
    2017-07-20 ~ 2024-10-31
    IIF 6 - Director → ME
  • 16
    NATIONAL GRID TWENTY EIGHT LIMITED
    07926588
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2021-04-16 ~ 2023-02-20
    IIF 19 - Director → ME
  • 17
    NATIONAL GRID TWENTY SEVEN LIMITED
    07926596
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2021-04-16 ~ 2023-02-20
    IIF 18 - Director → ME
  • 18
    NATIONAL GRID TWENTY THREE LIMITED
    06999009
    C/o Interpath Limited, 10 Fleet Place, London
    Dissolved Corporate (3 parents)
    Officer
    2017-07-27 ~ 2022-10-11
    IIF 23 - Director → ME
  • 19
    NATIONAL GRID UK LIMITED
    - now 04508773
    NGT UK LIMITED - 2005-10-10
    INTERCEDE 1812 LIMITED - 2002-10-21 01674180, 01678668, 01678669... (more)
    1-3 Strand, London
    Active Corporate (7 parents, 2 offsprings)
    Officer
    2017-12-14 ~ 2024-10-01
    IIF 15 - Director → ME
  • 20
    NATIONAL GRID WILLIAM LIMITED
    - now 07290232
    NATIONAL GRID TWENTY-SIX LIMITED - 2014-11-05
    1-3 Strand, London
    Active Corporate (5 parents)
    Officer
    2021-04-16 ~ 2023-02-20
    IIF 20 - Director → ME
  • 21
    NGG FINANCE PLC
    - now 04220381
    INTERCEDE 1723 LIMITED - 2001-07-24 01674180, 01678668, 01678669... (more)
    1 - 3 Strand, London
    Active Corporate (7 parents)
    Officer
    2017-07-27 ~ 2024-10-31
    IIF 2 - Director → ME
  • 22
    NGT TWO LIMITED
    05234289
    C/o Interpath Limited 10, Fleet Place, London
    Dissolved Corporate (3 parents)
    Officer
    2017-09-05 ~ 2022-06-21
    IIF 16 - Director → ME
  • 23
    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
    2021-04-16 ~ 2023-02-20
    IIF 10 - Director → ME
  • 24
    ST WILLIAM EIGHT LIMITED
    10963086
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 33 - Director → ME
  • 25
    ST WILLIAM EIGHTEEN LIMITED
    11388101
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 41 - Director → ME
  • 26
    ST WILLIAM ELEVEN LIMITED
    10984177
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 30 - Director → ME
  • 27
    ST WILLIAM FIFTEEN LIMITED
    10983273
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 43 - Director → ME
  • 28
    ST WILLIAM FIVE LIMITED
    10959284
    Berkeley House, 19 Portsmouth Road, Cobham, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 29 - Director → ME
  • 29
    ST WILLIAM FOUR LTD
    10754434
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 39 - Director → ME
  • 30
    ST WILLIAM FOURTEEN LIMITED
    10982759
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 35 - Director → ME
  • 31
    ST WILLIAM HOLDINGS LIMITED
    11383395
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 8 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 42 - Director → ME
  • 32
    ST WILLIAM NINE LIMITED
    10974236
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 49 - Director → ME
  • 33
    ST WILLIAM NINETEEN LIMITED
    11388106
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 51 - Director → ME
  • 34
    ST WILLIAM ONE LTD
    10752903
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 2 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 38 - Director → ME
  • 35
    ST WILLIAM SEVEN LIMITED
    10963080
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 34 - Director → ME
  • 36
    ST WILLIAM SEVENTEEN LIMITED
    11384969
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 40 - Director → ME
  • 37
    ST WILLIAM SIX LIMITED
    10963045
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 56 - Director → ME
  • 38
    ST WILLIAM SIXTEEN LIMITED
    10983401
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 48 - Director → ME
  • 39
    ST WILLIAM TEN LIMITED
    10979377
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 57 - Director → ME
  • 40
    ST WILLIAM THIRTEEN LIMITED
    10974249
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 50 - Director → ME
  • 41
    ST WILLIAM THREE LTD
    10754438
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (8 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 45 - Director → ME
  • 42
    ST WILLIAM TWELVE LIMITED
    10982707
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 52 - Director → ME
  • 43
    ST WILLIAM TWENTY LIMITED
    11388075
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 37 - Director → ME
  • 44
    ST WILLIAM TWENTY-EIGHT LIMITED
    11390399
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 31 - Director → ME
  • 45
    ST WILLIAM TWENTY-FIVE LIMITED
    11385088
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Equity (Company account)
    1 GBP2019-03-31
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 47 - Director → ME
  • 46
    ST WILLIAM TWENTY-FOUR LIMITED
    11390215
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 46 - Director → ME
  • 47
    ST WILLIAM TWENTY-ONE LIMITED
    11385063
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents, 3 offsprings)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 44 - Director → ME
  • 48
    ST WILLIAM TWENTY-SEVEN LIMITED
    11390369
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 53 - Director → ME
  • 49
    ST WILLIAM TWENTY-SIX LIMITED
    11390327
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 54 - Director → ME
  • 50
    ST WILLIAM TWENTY-THREE LIMITED
    11390273
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 36 - Director → ME
  • 51
    ST WILLIAM TWENTY-TWO LIMITED
    11390248
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 55 - Director → ME
  • 52
    ST WILLIAM TWO LTD
    10754436
    Berkeley House, 19 Portsmouth Road, Cobham, Surrey, United Kingdom
    Active Corporate (7 parents)
    Officer
    2021-04-16 ~ 2022-03-15
    IIF 32 - Director → ME

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