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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

Masterson, Sean, Mr.

    Related profiles found in government register
  • Masterson, Sean, Mr.
    Irish born in October 1977

    Resident in England

    Registered addresses and corresponding companies
    • Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, WD6 2BT

      IIF 1 IIF 2
    • Atlantic House 7, Stirling Way, Borehamwood, Hertfordshire, WD6 2BT, England

      IIF 3
    • Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, WD6 2BT, United Kingdom

      IIF 4 IIF 5 IIF 6
    • 40 Chamberlayne Road, London, NW10 3JE, United Kingdom

      IIF 7 IIF 8
  • Masterson, Sean
    Irish born in October 1977

    Resident in England

    Registered addresses and corresponding companies
    • Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, WD6 2BT, England

      IIF 9
    • Atlantic House, 7, Stirling Way, Borehamwood, Hertfordshire, WD6 2BT, United Kingdom

      IIF 10
  • Masterson, Sean
    Irish born in October 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, London, NW10 3JE, United Kingdom

      IIF 11
  • Masterson, Sean
    born in October 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, WD6 2BT

      IIF 12
  • Mr Sean Masterson
    Irish born in October 1977

    Resident in England

    Registered addresses and corresponding companies
    • Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, WD6 2BT

      IIF 13
  • Mr. Sean Masterson
    Irish born in October 1977

    Resident in England

    Registered addresses and corresponding companies
    • 40 Chamberlayne Road, London, NW10 3JE, United Kingdom

      IIF 14 IIF 15
  • Mr Sean Masterson
    Irish born in October 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, London, NW10 3JE, United Kingdom

      IIF 16
child relation
Offspring entities and appointments 12
  • 1
    ART SM LIMITED
    15721392
    40 Chamberlayne Road, London, United Kingdom
    Active Corporate (1 parent)
    Officer
    2024-05-15 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2024-05-15 ~ now
    IIF 16 - Ownership of voting rights - 75% or more OE
    IIF 16 - Right to appoint or remove directors OE
    IIF 16 - Ownership of shares – 75% or more OE
  • 2
    ATLANTIC CONTRACTS LIMITED
    - now 04232289
    ATLANTIC JOINERY LIMITED - 2005-09-12
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Active Corporate (16 parents)
    Officer
    2007-06-22 ~ now
    IIF 6 - Director → ME
  • 3
    GETJAR LIMITED
    01496218
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Active Corporate (20 parents)
    Officer
    2007-06-22 ~ now
    IIF 3 - Director → ME
  • 4
    GETJAR PILING LIMITED
    14501797
    Atlantic House, 7, Stirling Way, Borehamwood, Hertfordshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2022-11-23 ~ now
    IIF 10 - Director → ME
  • 5
    GETJAR SPECIAL PROJECTS LIMITED
    14523894
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, England
    Active Corporate (3 parents)
    Officer
    2022-12-05 ~ now
    IIF 9 - Director → ME
  • 6
    GLENCOE PLANT LIMITED
    10374322
    40 Chamberlayne Road, London, United Kingdom
    Active Corporate (1 parent)
    Officer
    2016-09-14 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2016-09-14 ~ now
    IIF 14 - Ownership of shares – 75% or more OE
    IIF 14 - Ownership of voting rights - 75% or more OE
    IIF 14 - Right to appoint or remove directors OE
  • 7
    GLENCOE PLANT SERVICES LIMITED
    - now 03003318
    GETJAR SITE SERVICES LTD - 2001-05-15
    GETJAR INTERNATIONAL LIMITED - 1997-03-17
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Active Corporate (7 parents)
    Officer
    2007-06-22 ~ now
    IIF 2 - Director → ME
  • 8
    KMSM MASTERSON LIMITED
    05799627
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Active Corporate (4 parents)
    Officer
    2006-04-28 ~ now
    IIF 1 - Director → ME
  • 9
    KMSM PROPERTY LLP
    OC342918
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Dissolved Corporate (4 parents)
    Officer
    2009-01-27 ~ dissolved
    IIF 12 - LLP Designated Member → ME
    Person with significant control
    2016-04-06 ~ 2018-10-17
    IIF 13 - Right to appoint or remove members OE
  • 10
    MASTERSON DEVELOPMENTS LIMITED
    12112984
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2019-07-25 ~ now
    IIF 4 - Director → ME
  • 11
    MASTERSON HOLDINGS LIMITED
    04243937 03367348
    Atlantic House, 7 Stirling Way, Borehamwood, Hertfordshire
    Active Corporate (9 parents, 5 offsprings)
    Officer
    2007-06-22 ~ now
    IIF 5 - Director → ME
  • 12
    SGO PROPERTIES LIMITED
    - now 10374473
    SEGO PROPERTIES LIMITED
    - 2022-10-12 10374473
    40 Chamberlayne Road, London, United Kingdom
    Active Corporate (1 parent)
    Officer
    2016-09-14 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2016-09-14 ~ now
    IIF 15 - Right to appoint or remove directors OE
    IIF 15 - Ownership of voting rights - 75% or more OE
    IIF 15 - Ownership of shares – 75% or more OE

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