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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

Castles, Gary Trevor

    Related profiles found in government register
  • Castles, Gary Trevor
    British born in April 1961

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 97a Belfast Road, Carrickfergus, BT38 7BX

      IIF 1 IIF 2
    • Unit B3, 58 Greystone Road, Antrim, BT41 1JZ

      IIF 3
    • 31, Rathcool Street, Belfast, BT9 7GA, Northern Ireland

      IIF 4
    • 2, Market Place, Carrickfergus, BT38 7AW, Northern Ireland

      IIF 5
  • Mr Gary Trevor Castles
    British born in April 1961

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 97a Belfast Road, Carrickfergus, BT38 7BX

      IIF 6 IIF 7
    • 31, Rathcool Street, Belfast, BT9 7GA, Northern Ireland

      IIF 8
    • 32, Woodfield Drive, Newtownabbey, BT37 0ZL, Northern Ireland

      IIF 9
  • Gary Trevor Castles
    British born in April 1961

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • Unit B3, 58 Greystone Road, Antrim, BT41 1JZ

      IIF 10
  • Castles, Gary Trevor
    British

    Registered addresses and corresponding companies
    • Unit B3, 58 Greystone Road, Antrim, BT41 1JZ

      IIF 11
  • Castles, Gary Trevor

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 5
  • 1
    SNERGEIA TECHNOLOGIES LIMITED - 2006-07-03
    SNERGEIA TECHNOLOGIES LIMITED - 2006-02-10
    Unit B3, 58 Greystone Road, Antrim
    Active Corporate (2 parents)
    Equity (Company account)
    621,093 GBP2024-05-31
    Officer
    2005-05-11 ~ now
    IIF 3 - Director → ME
    2005-05-11 ~ now
    IIF 11 - Secretary → ME
    Person with significant control
    2021-05-01 ~ now
    IIF 10 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 10 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 2
    97a Belfast Road, Carrickfergus
    Active Corporate (1 parent)
    Equity (Company account)
    51,730 GBP2024-12-31
    Officer
    1995-07-17 ~ now
    IIF 2 - Director → ME
    1995-07-17 ~ now
    IIF 12 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 6 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 6 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 3
    GEOFF CASTLES BOILER SERVICES (N.I.) LIMITED - 2016-12-05
    97a Belfast Road, Carrickfergus
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    468,287 GBP2024-01-01 ~ 2024-12-31
    Officer
    1995-07-17 ~ now
    IIF 1 - Director → ME
    1995-07-17 ~ now
    IIF 13 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 7 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 4
    31 Rathcool Street, Belfast, Northern Ireland
    Active Corporate (3 parents)
    Officer
    2024-07-09 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2024-07-09 ~ now
    IIF 8 - Right to appoint or remove directorsOE
    IIF 8 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 8 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 5
    2 Market Place, Carrickfergus, Northern Ireland
    Active Corporate (3 parents)
    Equity (Company account)
    8,356 GBP2024-12-31
    Officer
    2017-11-21 ~ now
    IIF 5 - Director → ME
Ceased 1
  • 1
    SNERGEIA TECHNOLOGIES LIMITED - 2006-07-03
    SNERGEIA TECHNOLOGIES LIMITED - 2006-02-10
    Unit B3, 58 Greystone Road, Antrim
    Active Corporate (2 parents)
    Equity (Company account)
    621,093 GBP2024-05-31
    Person with significant control
    2016-05-11 ~ 2021-05-01
    IIF 9 - Ownership of shares – More than 25% but not more than 50% OE

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