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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

O'brien, Denis

    Related profiles found in government register
  • O'brien, Denis
    Irish born in April 1958

    Registered addresses and corresponding companies

    • 77 Wellington Road, Ballsbridge, Dublin, 2, Ireland

      IIF 1

    • Flat 6, Suite F, 60 Tigne Towers, Tigne St. Sliema, Slm 3172, FOREIGN, Malta

      IIF 2
  • O'brien, Denis
    Irish company director born in April 1958

    Registered addresses and corresponding companies

    • 41 Park Lawn, Clontarf, Dublin 3, IRISH, Ireland

      IIF 3
  • O'brien, Denis
    Irish director born in April 1958

    Registered addresses and corresponding companies

    • 77 Wellington Road, Ballsbridge, Dublin 4

      IIF 4
  • O'brien, Denis
    Irish company director born in May 1930

    Registered addresses and corresponding companies

    • 93 Anglesea Road, Ballsbridge, Dublin, 4, IRISH, Ireland

      IIF 5
  • O'brien, Denis
    Irish company director

    Registered addresses and corresponding companies

    • 41 Park Lawn, Clontarf, Dublin 3, IRISH, Ireland

      IIF 6
  • O'brien, Denis John
    Irish director born in April 1958

    Registered addresses and corresponding companies

    • No 10 Parque Atlantica, Rua Atlantico, Quinta Do Lago, 8135 Almancil, Algarve, Portugal

      IIF 7
  • O Brien, Denis
    Irish company director born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • Apartment 401, White Mansions, Ghar - 10 - Dud Street, Sliema, SLM 1573, Malta

      IIF 8
  • O'brien, Denis John
    Irish company director born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • 11th Floor, Two, Snow Hill, Birmingham, B4 6WR, England

      IIF 9
  • O'brien, Denis John
    Irish director born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • York House, Seymour Street, London, W1H 7JT, England

      IIF 10
  • Obrien, Denis
    Irish company director born in May 1930

    Resident in Ireland

    Registered addresses and corresponding companies

    • 93 Anglesea Road, Ballsbridge, Dublin 4, IRISH, Ireland

      IIF 11
  • Denis John O'brien
    Irish, born in April 1958

    Registered addresses and corresponding companies

    • 12, Greenway Farm, Bath Road, Wick, Bristol, South Gloucestershire, BS30 5RL, United Kingdom

      IIF 12
  • Denis O'brien
    Irish born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • 11th Floor, Two Snowhill, Birmingham, B4 6wr, B4 6WR, United Kingdom

      IIF 13

    • 6th Floor, 1 Grand Canal Quay, Dublin 2, Ireland

      IIF 14

    • Island Capital, 1 Grand Canal Quay, Dublin 2, D02 FF61, Ireland

      IIF 15

    • 3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex, UB8 2FX, United Kingdom

      IIF 16

    • 3 Brook Business Centre, Cowley Mill Road, Uxbridge, UB8 2FX, United Kingdom

      IIF 17
  • Obrien Senior, Denis
    Irish born in May 1930

    Resident in Ireland

    Registered addresses and corresponding companies

    • 93 Anglesea Road, Ballsbridge, Dublin 4, IRISH, Ireland

      IIF 18
  • Obrien Senior, Denis
    Irish company director born in May 1930

    Resident in Ireland

    Registered addresses and corresponding companies
  • Mr Denis O'brien
    Irish born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • Exchange House, Athol Street, Douglas, IM1 1JD, Isle Of Man

      IIF 23

    • Apt 401, White Mansions, Gharid Dud Street, Slp 1573, Malta

      IIF 24

    • Clarendon House, 2 Church Street, Hamilton Hm11, Bermuda

      IIF 25

    • 7th Floor, 2 Hardman Boulevard, Spinningfields, Manchester, M3 3AQ, England

      IIF 26

    • Apartment 401, White Mansions, Ghar-id-dud Street, Sliema, Slm 1573, Malta

      IIF 27

    • 3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex, UB8 2FX

      IIF 28

    • 3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex, UB8 2FX, United Kingdom

      IIF 29 IIF 30
  • Mr. Denis O'brien
    Irish born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • 368 Alexandra Parade, 3rd Floor, South Wing, City Park, Glasgow, G31 3AU, Scotland

      IIF 31
  • Denis John O'brien
    Irish born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies
  • Mr Denis John O'brien
    Irish born in April 1958

    Resident in Malta

    Registered addresses and corresponding companies

    • 200, Strand, London, WC2R 1DJ, England

      IIF 77

    • Unit 20.2 Coda Studios, 189 Munster Road, London, SW6 6AW, England

      IIF 78
  • Mr Denis John O'brien
    Irish born in April 1958

    Resident in Portugal

    Registered addresses and corresponding companies

    • 10 Parque Atlantico, Quinta Do Lago, Almancil, Portugal, 8135 106, Portugal

      IIF 79
child relation
Offspring entities and appointments
Active 24
  • 1
    SIERRA SUPPORT SERVICES LIMITED - 2015-11-09
    Units 14 & 15 Harbour Court, Sydenham Business Park, Belfast
    Active Corporate (3 parents)
    Person with significant control
    2016-04-06 ~ now
    IIF 14 - Ownership of voting rights - More than 50% but less than 75% → OE
    IIF 14 - Ownership of shares – More than 50% but less than 75% → OE
    IIF 14 - Right to appoint or remove directors → OE
  • 2
    SITESERV MANAGEMENT LIMITED - 2017-01-12
    SITESERV HOLDINGS UK LIMITED - 2008-02-20
    11th Floor Two Snowhill, Birmingham, B4 6wr, United Kingdom
    Active Corporate (3 parents, 3 offsprings)
    Person with significant control
    2016-04-06 ~ now
    IIF 13 - Ownership of voting rights - More than 50% but less than 75% → OE
    IIF 13 - Right to appoint or remove directors → OE
    IIF 13 - Ownership of shares – More than 50% but less than 75% → OE
  • 3
    TBL (HOLDINGS) LIMITED - 2012-08-06
    MM&S (2953) LIMITED - 2003-10-31
    200 Strand, London, England
    Dissolved Corporate (5 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 77 - Ownership of voting rights - More than 50% but less than 75% → OE
    IIF 77 - Ownership of shares – More than 50% but less than 75% → OE
  • 4
    C/o Tughans Llp, The Ewart, 3 Bedford Square, Belfast, Northern Ireland
    Active Corporate (4 parents, 15 offsprings)
    Person with significant control
    2017-12-31 ~ now
    IIF 23 - Ownership of shares – 75% or more → OE
    IIF 23 - Ownership of voting rights - 75% or more → OE
    IIF 23 - Right to appoint or remove directors → OE
  • 5
    16 Great Queen Street, Covent Garden, London, England
    Dissolved Corporate (3 parents)
    Total Assets Less Current Liabilities (Company account)
    9,697 GBP2015-10-31
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 38 - Ownership of shares – 75% or more → OE
    IIF 38 - Right to appoint or remove directors → OE
    IIF 38 - Ownership of voting rights - 75% or more → OE
  • 6
    GRIDPOWER SIERRA LIMITED - 2016-03-01
    368 Alexandra Parade 3rd Floor, South Wing, City Park, Glasgow, Scotland
    Dissolved Corporate (4 parents)
    Equity (Company account)
    -70 GBP2019-12-31
    Person with significant control
    2016-09-03 ~ dissolved
    IIF 31 - Ownership of shares – More than 25% but not more than 50% → OE
  • 7
    16 Great Queen Street, Covent Garden, London, United Kingdom
    Dissolved Corporate (3 parents)
    Person with significant control
    2019-12-05 ~ dissolved
    IIF 43 - Ownership of shares – 75% or more → OE
    IIF 43 - Ownership of voting rights - 75% or more → OE
    IIF 43 - Right to appoint or remove directors → OE
  • 8
    IGP SOLAR PV PLANT NUMBER 6 LIMITED - 2017-04-05 09177325, 09266853, 09303247... (more)
    16 Great Queen Street, Covent Garden, London, England
    Dissolved Corporate (3 parents)
    Total Assets Less Current Liabilities (Company account)
    -880 GBP2016-03-31
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 41 - Ownership of shares – 75% or more → OE
    IIF 41 - Ownership of voting rights - 75% or more → OE
    IIF 41 - Right to appoint or remove directors → OE
  • 9
    IGP SOLAR PV PLANT NUMBER 7 LIMITED - 2017-03-07 09177325, 09303247, 09487059... (more)
    16 Great Queen Street, Covent Garden, London, England
    Dissolved Corporate (3 parents)
    Total Assets Less Current Liabilities (Company account)
    71,409 GBP2015-10-31
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 39 - Ownership of voting rights - 75% or more → OE
    IIF 39 - Right to appoint or remove directors → OE
    IIF 39 - Ownership of shares – 75% or more → OE
  • 10
    16 Great Queen Street, Covent Garden, London, United Kingdom
    Dissolved Corporate (3 parents)
    Person with significant control
    2017-08-14 ~ dissolved
    IIF 46 - Ownership of voting rights - 75% or more → OE
    IIF 46 - Ownership of shares – 75% or more → OE
    IIF 46 - Right to appoint or remove directors → OE
  • 11
    Arthur Cox, Victoria House 15-17, Gloucester Street, Belfast, Northern Ireland
    Dissolved Corporate (3 parents)
    Person with significant control
    2016-09-06 ~ dissolved
    IIF 35 - Ownership of shares – 75% or more → OE
    IIF 35 - Ownership of voting rights - 75% or more → OE
  • 12
    16 Great Queen Street, Covent Garden, London, England
    Dissolved Corporate (3 parents)
    Total Assets Less Current Liabilities (Company account)
    173,007 GBP2015-11-30
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 42 - Right to appoint or remove directors → OE
    IIF 42 - Ownership of voting rights - 75% or more → OE
    IIF 42 - Ownership of shares – 75% or more → OE
  • 13
    C/o James Cowper Kreston The White Building, 1-4 Cumberland Place, Southampton
    Dissolved Corporate (3 parents)
    Equity (Company account)
    29,045,327 GBP2020-12-31
    Person with significant control
    2016-04-16 ~ dissolved
    IIF 76 - Ownership of voting rights - 75% or more → OE
    IIF 76 - Right to appoint or remove directors → OE
    IIF 76 - Ownership of shares – 75% or more → OE
  • 14
    ISLAND GREEN POWER ITALY LIMITED - 2019-05-21
    IGP SOLAR 8 LIMITED - 2017-09-14
    16 Great Queen Street, Covent Garden, London, England
    Dissolved Corporate (3 parents, 1 offspring)
    Total Assets Less Current Liabilities (Company account)
    76,314 GBP2016-04-30
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 40 - Ownership of shares – 75% or more → OE
    IIF 40 - Right to appoint or remove directors → OE
    IIF 40 - Ownership of voting rights - 75% or more → OE
  • 15
    16 Great Queen Street, Covent Garden, London, United Kingdom
    Dissolved Corporate (4 parents)
    Total Assets Less Current Liabilities (Company account)
    317,506 GBP2015-11-30
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 45 - Ownership of voting rights - 75% or more → OE
    IIF 45 - Right to appoint or remove directors → OE
    IIF 45 - Ownership of shares – 75% or more → OE
  • 16
    3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex, United Kingdom
    Dissolved Corporate (4 parents)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 16 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 16 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 17
    3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex
    Active Corporate (3 parents)
    Equity (Company account)
    87,241 GBP2024-12-31
    Person with significant control
    2018-04-10 ~ now
    IIF 28 - Ownership of voting rights - 75% or more → OE
    IIF 28 - Ownership of shares – 75% or more → OE
    IIF 28 - Right to appoint or remove directors → OE
  • 18
    C/o Barnes Roffe Llp 3 Brook Business Centre, Cowley Mill Road, Uxbridge, Middlesex
    Active Corporate (3 parents)
    Equity (Company account)
    -2,139,448 GBP2024-12-31
    Person with significant control
    2018-04-10 ~ now
    IIF 30 - Right to appoint or remove directors → OE
    IIF 30 - Ownership of shares – 75% or more → OE
    IIF 30 - Ownership of voting rights - 75% or more → OE
  • 19
    8th Floor 4 More London, Riverside, London, United Kingdom
    Active Corporate (5 parents, 2 offsprings)
    Person with significant control
    2025-02-11 ~ now
    IIF 15 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 15 - Ownership of shares – More than 25% but not more than 50% → OE
  • 20
    5th Floor, Commonwealth House, 55-58 Pall Mall, London, England
    Dissolved Corporate (3 parents)
    Equity (Company account)
    -1,183,609 GBP2019-01-31
    Person with significant control
    2017-08-21 ~ dissolved
    IIF 27 - Ownership of shares – 75% or more → OE
  • 21
    31 Howcroft Crescent, West Finchley, London, United Kingdom
    Active Corporate (4 parents)
    Net Assets/Liabilities (Company account)
    1,000 GBP2024-07-31
    Person with significant control
    2016-04-06 ~ now
    IIF 79 - Ownership of shares – 75% or more as a member of a firm → OE
  • 22
    3 Brook Business Centre, Cowley Mill Road, Uxbridge, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    100 GBP2024-06-30
    Person with significant control
    2023-06-30 ~ now
    IIF 17 - Ownership of shares – 75% or more → OE
    IIF 17 - Ownership of voting rights - 75% or more → OE
    IIF 17 - Right to appoint or remove directors → OE
  • 23
    Suite 1 4th Floor, Exchange House, 54/58 Athol Street, Douglas, Isle Of Man
    Registered Corporate (1 parent)
    Beneficial owner
    2014-03-27 ~ now
    IIF 12 - Ownership of shares - More than 25% → OE
  • 24
    C/o Barnes Roffe, Chartered Accountants 3 Brook, Business Centre Cowley Mill Road, Uxbridge Middlesex
    Active Corporate (3 parents)
    Equity (Company account)
    -1,327,917 GBP2024-12-31
    Person with significant control
    2018-04-10 ~ now
    IIF 29 - Ownership of shares – 75% or more → OE
    IIF 29 - Right to appoint or remove directors → OE
    IIF 29 - Ownership of voting rights - 75% or more → OE
Ceased 54

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