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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

Mr Tiarnan O'neill

    Related profiles found in government register
  • Mr Tiarnan O'neill
    British born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • C/o, Carson Mcdowell Llp, Murray Street, Belfast, BT1 6DN, Northern Ireland

      IIF 1
    • 21, Donaghmore Road, Dungannon, BT70 1EZ, Northern Ireland

      IIF 2
  • Mr Tiarnán O'neill
    British born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • Mcmahon Mckay, Aisling House, 50 Stranmillis Embankment, Belfast, BT9 5FL, Northern Ireland

      IIF 3
  • Mr Tiarnan O'neill
    Northern Irish born in September 1997

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 15, Blackhill, Cookstown, BT80 9DL, Northern Ireland

      IIF 4
    • First Floor, Unit 12, Kilcronagh Business Park, Cookstown, Tyrone, BT80 9HJ, United Kingdom

      IIF 5
  • O'neill, Tiarnan
    British born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 136, Fenaghy Road, Cullybackey, Ballymena, BT42 1EA, Northern Ireland

      IIF 6
    • 136 Fenaghy Road, Cullybackey, Ballymena, Northern, Fenaghy Road, Cullybackey, Ballymena, BT42 1EA, Northern Ireland

      IIF 7
    • 21, Arthur Street, Belfast, BT1 4GA, Northern Ireland

      IIF 8
    • 21, Arthur Street, Belfast, BT1 4GA, United Kingdom

      IIF 9
    • C/o Carson Mcdowell Llp, Murray House, Murray Street, Belfast, BT1 6DN, Northern Ireland

      IIF 10 IIF 11 IIF 12
    • Murray House, Murray Street, Belfast, Antrim, BT1 6DN, United Kingdom

      IIF 14 IIF 15
  • O'neill, Tiarnan
    British chartered accountant born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 21, Donaghmore Road, Dungannon, BT70 1EZ, Northern Ireland

      IIF 16
  • O'neill, Tiarnan
    British director born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • C/o, Carson Mcdowell Llp, Murray Street, Belfast, BT1 6DN, Northern Ireland

      IIF 17
  • O'neill, Tiarnán
    British born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
  • O'neill, Tiarnan
    Irish born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 136, Fenaghy Road, Cullybackey, Ballymena, BT42 1EA, Northern Ireland

      IIF 26
    • 21, Arthur Street, Belfast, BT1 4GA, Northern Ireland

      IIF 27
  • Oneill, Tiarnan
    Northern Irish company director born in April 1986

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 50 King Street, Belfast, BT1 6AD

      IIF 28
  • O'neill, Tiarnan
    Northern Irish born in September 1997

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 15, Blackhill, Cookstown, BT80 9DL, Northern Ireland

      IIF 29
    • First Floor, Unit 12, Kilcronagh Business Park, Cookstown, Tyrone, BT80 9HJ, United Kingdom

      IIF 30
child relation
Offspring entities and appointments
Active 23
  • 1
    21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Equity (Company account)
    -1,579,141 GBP2024-10-31
    Officer
    2021-02-22 ~ now
    IIF 8 - Director → ME
  • 2
    C/o Carson Mcdowell Llp Murray House, Murray Street, Belfast, Northern Ireland
    Active Corporate (6 parents)
    Equity (Company account)
    -397,064 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 13 - Director → ME
  • 3
    136 Fenaghy Road, Cullybackey, Ballymena, Northern Ireland
    Active Corporate (4 parents)
    Equity (Company account)
    -14,517 GBP2024-10-31
    Officer
    2024-03-22 ~ now
    IIF 26 - Director → ME
  • 4
    Mcmahon Mckay Aisling House, 50 Stranmillis Embankment, Belfast, Northern Ireland
    Active Corporate (2 parents)
    Equity (Company account)
    -55,852 GBP2024-10-31
    Officer
    2022-12-21 ~ now
    IIF 18 - Director → ME
    Person with significant control
    2022-12-21 ~ now
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 3 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 3 - Right to appoint or remove directorsOE
  • 5
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Equity (Company account)
    4,597,938 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 20 - Director → ME
  • 6
    Unit 3 Castleview Buildings, Feenys Lane, Dungannon, Northern Ireland
    Active Corporate (3 parents)
    Officer
    2024-07-01 ~ now
    IIF 27 - Director → ME
  • 7
    136 Fenaghy Road, Cullybackey, Ballymena, Northern Ireland
    Active Corporate (4 parents)
    Equity (Company account)
    100 GBP2024-10-31
    Officer
    2021-07-07 ~ now
    IIF 6 - Director → ME
  • 8
    C/o Carson Mcdowell Llp Murray House, Murray Street, Belfast, Northern Ireland
    Active Corporate (4 parents)
    Equity (Company account)
    -265,379 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 10 - Director → ME
  • 9
    Murray House, Murray Street, Belfast, Antrim, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    -250,954 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 14 - Director → ME
  • 10
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents, 1 offspring)
    Equity (Company account)
    3,870,199 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 22 - Director → ME
  • 11
    L&B (NO 181) LIMITED - 2009-01-12
    Related registration: NI061364
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents, 5 offsprings)
    Equity (Company account)
    3,507,595 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 19 - Director → ME
  • 12
    KEMBLE INVESTMENTS LIMITED - 1993-10-27
    C/o Carson Mcdowell Llp Murray House, Murray Street, Belfast, Northern Ireland
    Active Corporate (4 parents, 2 offsprings)
    Equity (Company account)
    24,554,615 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 11 - Director → ME
  • 13
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Equity (Company account)
    -107,302 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 25 - Director → ME
  • 14
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Equity (Company account)
    -106,636 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 21 - Director → ME
  • 15
    DANES 100 (NI) LIMITED - 2017-07-19
    21 Arthur Street, Belfast, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    6,258,152 EUR2024-10-31
    Officer
    2020-03-16 ~ now
    IIF 9 - Director → ME
  • 16
    21 Donaghmore Road, Dungannon, Northern Ireland
    Dissolved Corporate (2 parents)
    Officer
    2021-02-11 ~ dissolved
    IIF 16 - Director → ME
    Person with significant control
    2021-02-11 ~ dissolved
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 2 - Right to appoint or remove directorsOE
  • 17
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (4 parents)
    Equity (Company account)
    -67,561 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 23 - Director → ME
  • 18
    First Floor Unit 12, Kilcronagh Business Park, Cookstown, Tyrone, United Kingdom
    Active Corporate (2 parents)
    Officer
    2024-08-16 ~ now
    IIF 30 - Director → ME
    Person with significant control
    2024-08-16 ~ now
    IIF 5 - Right to appoint or remove directorsOE
    IIF 5 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 5 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 19
    Murray House, Murray Street, Belfast, Antrim, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    973,942 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 15 - Director → ME
  • 20
    NORTHATLAND LIMITED - 1994-01-21
    Roe Park, Ballykelly Road, Limavady, Co Londonderry
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    9,086,410 GBP2024-10-31
    Officer
    2024-11-08 ~ now
    IIF 7 - Director → ME
  • 21
    Mills Selig, 21 Arthur Street, Belfast, Northern Ireland
    Active Corporate (4 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -1 GBP2024-10-31
    Officer
    2024-10-25 ~ now
    IIF 24 - Director → ME
  • 22
    TULLYMORE HOUSE - 1998-07-15
    C/o Carson Mcdowell Llp Murray House, Murray Street, Belfast, Northern Ireland
    Active Corporate (4 parents, 3 offsprings)
    Equity (Company account)
    10,919,300 GBP2024-10-31
    Officer
    2019-07-29 ~ now
    IIF 12 - Director → ME
  • 23
    First Floor Unit 12, Kilcronagh Business Park, Cookstown, Tyrone, United Kingdom
    Active Corporate (2 parents)
    Officer
    2024-08-20 ~ now
    IIF 29 - Director → ME
    Person with significant control
    2024-08-20 ~ now
    IIF 4 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 4 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 4 - Right to appoint or remove directorsOE
Ceased 2
  • 1
    C/o Carson Mcdowell Llp, Murray Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Officer
    2024-08-07 ~ 2024-12-23
    IIF 17 - Director → ME
    Person with significant control
    2024-08-07 ~ 2024-12-23
    IIF 1 - Right to appoint or remove directors OE
  • 2
    60-64 Berry Street, Belfast, Northern Ireland
    Active Corporate (5 parents)
    Officer
    2019-06-24 ~ 2023-06-30
    IIF 28 - Director → ME

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