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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

Mr John Patrick Duffy

    Related profiles found in government register
  • Mr John Patrick Duffy
    Irish born in April 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • John Patrick Duffy
    Irish born in April 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 2175, Thorpe Park, Leeds, LS15 8ZB, England

      IIF 5
  • Mr John Patrick Duffy
    British born in April 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 2175, Century Way, Leeds, LS15 8ZB, United Kingdom

      IIF 6
    • 2175, Century Way, Thorpe Park, Leeds, LS15 8ZB, United Kingdom

      IIF 7
  • Mr John Duffy
    Irish born in April 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB, England

      IIF 8
  • Mr John Patrick Duffy
    Irish born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 2175, Century Way, Thorpe Park, Leeds, LS15 8ZB, United Kingdom

      IIF 9 IIF 10
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB

      IIF 11 IIF 12 IIF 13
    • Thorpe Park, 2175 Century Way, Leeds, LS15 8ZB, England

      IIF 15
    • 7400, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BS

      IIF 16
  • Duffy, John
    Irish born in April 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB, England

      IIF 17
  • Duffy, John Patrick
    Irish born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 2175, Century Way, Leeds, LS15 8ZB, England

      IIF 18
    • Prestige Court, Beza Road, Leeds, LS10 2BD, England

      IIF 19
    • 7400 Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BS

      IIF 20
    • Rough Hills, Linton Lane, Linton, Wetherby, West Yorkshire, LS22 4HH

      IIF 21 IIF 22 IIF 23
  • Duffy, John Patrick
    Irish civil engineer born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 1, Bridgewater Place, Water Lane, Leeds, LS11 5RU

      IIF 25
    • C/o Bdo Llp, Central Square, 29 Wellington Street, Leeds, LS1 4DL

      IIF 26
  • Duffy, John Patrick
    Irish civil servant born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB

      IIF 27
  • Duffy, John Patrick
    Irish company director born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 1, Bridgewater Place, Water Lane, Leeds, LS11 5RU

      IIF 28
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB

      IIF 29
    • C/o Gaines Robson Insolvency Ltd, Carrwood Park, Selby Road, Leeds, West Yorkshire, LS15 4LG

      IIF 30
    • Rough Hills, Linton Lane, Linton, Wetherby, West Yorkshire, LS22 4HH

      IIF 31
  • Duffy, John Patrick
    Irish director born in April 1966

    Resident in England

    Registered addresses and corresponding companies
  • Duffy, John Patrick
    British born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • 2175, Century Way, Leeds, LS15 8ZB, United Kingdom

      IIF 39
    • 2175, Century Way, Thorpe Park, Leeds, LS15 8ZB, United Kingdom

      IIF 40 IIF 41 IIF 42
    • 2175 Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB, United Kingdom

      IIF 43 IIF 44 IIF 45
    • 2175, Thorpe Park, Leeds, LS15 8ZB, England

      IIF 48
    • Prestige Court, Beza Road, Hunslet, Leeds, West Yorkshire, LS10 2BD, England

      IIF 49 IIF 50
    • Prestige Court, Beza Road, Leeds, LS10 2BD, England

      IIF 51 IIF 52
    • Commercial House, Commercial Street, Sheffield, South Yorkshire, S1 2AT, England

      IIF 53
  • Duffy, John Patrick
    born in April 1966

    Resident in England

    Registered addresses and corresponding companies
    • Tax Advisory Partnership, 14 Devonshire Square, London, EC2M 4YT, England

      IIF 54
  • Duffy, John
    British

    Registered addresses and corresponding companies
    • 21 Belvedere Mount, Leeds, West Yorkshire, LS11 7ED

      IIF 55
  • Duffy, John

    Registered addresses and corresponding companies
    • 21 Belvedere Mount, Leeds, West Yorkshire, LS11 7ED

      IIF 56
child relation
Offspring entities and appointments 38
  • 1
    CLEAN AIR TECHNOLOGY INTERNATIONAL LIMITED
    12143068
    2175 Century Way, Thorpe Park, Leeds, United Kingdom
    Active Corporate (2 parents)
    Officer
    2019-11-05 ~ now
    IIF 42 - Director → ME
    Person with significant control
    2020-06-16 ~ now
    IIF 10 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    CORE CONSTRUCTION GROUP LIMITED
    - now 05302851
    THE PORTFORD GROUP LIMITED
    - 2016-03-16 05302851
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Active Corporate (5 parents)
    Officer
    2004-12-02 ~ now
    IIF 24 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 12 - Ownership of shares – 75% or more OE
  • 3
    CORE CONSTRUCTION MANAGEMENT LIMITED
    - now 08958110
    COUNTLODGE LIMITED - 2015-07-07
    2175 Century Way, Leeds, England
    Active Corporate (2 parents)
    Officer
    2015-11-16 ~ now
    IIF 18 - Director → ME
  • 4
    CORE ENGINEERING SERVICES LIMITED
    - now 05302850
    CORE CIVILS LIMITED
    - 2016-11-02 05302850 06826877
    CORE DEVELOPMENT PROJECTS LIMITED
    - 2016-06-15 05302850
    PORTFORD DEVELOPMENTS LIMITED
    - 2016-03-16 05302850
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Active Corporate (5 parents)
    Officer
    2004-12-02 ~ now
    IIF 23 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 14 - Ownership of shares – 75% or more OE
  • 5
    CORE MINOR WORKS LIMITED
    - now 05297430
    PORTFORD (BIERLEY) LIMITED
    - 2016-03-16 05297430
    ULLSWATER (BIERLEY) LIMITED
    - 2005-02-10 05297430
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Active Corporate (7 parents)
    Officer
    2004-11-26 ~ 2013-01-15
    IIF 22 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 11 - Ownership of shares – 75% or more as a member of a firm OE
  • 6
    CORE SPECIAL PROJECTS LIMITED
    - now 05012836
    HEWLETT RENEWABLES LIMITED
    - 2015-06-16 05012836
    ULLSWATER (CLECKHEATON) LIMITED
    - 2010-12-10 05012836
    7400 Daresbury Park, Daresbury, Warrington, Cheshire
    Liquidation Corporate (11 parents)
    Officer
    2004-01-12 ~ 2013-01-15
    IIF 31 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 16 - Ownership of shares – 75% or more OE
  • 7
    FEWSTON LIMITED
    11785411
    2175 Century Way, Leeds, United Kingdom
    Active Corporate (1 parent)
    Officer
    2019-01-24 ~ now
    IIF 39 - Director → ME
    Person with significant control
    2019-01-24 ~ now
    IIF 6 - Right to appoint or remove directors OE
    IIF 6 - Ownership of shares – 75% or more OE
    IIF 6 - Ownership of voting rights - 75% or more OE
  • 8
    GEKIN LIMITED
    - now 04177118
    THE HEWLETT GROUP LIMITED
    - 2013-06-11 04177118
    Kendal House 41 Scotland Street, Sheffield
    Dissolved Corporate (12 parents)
    Officer
    2001-03-12 ~ dissolved
    IIF 34 - Director → ME
  • 9
    GEKIN PROPERTY LIMITED
    - now 05067037
    HEWLETT PROPERTY GROUP LIMITED
    - 2013-06-11 05067037
    HEWLETT PROPERTIES LIMITED
    - 2004-07-21 05067037
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Dissolved Corporate (6 parents)
    Officer
    2004-03-10 ~ dissolved
    IIF 29 - Director → ME
  • 10
    GEO AGGREGATES LTD
    - now 09803260
    GRANTHAM STONE LTD
    - 2024-08-05 09803260
    HLWKH 598 LIMITED - 2015-10-19
    Prestige Court Beza Road, Hunslet, Leeds, West Yorkshire, England
    Active Corporate (3 parents)
    Officer
    2024-08-05 ~ now
    IIF 50 - Director → ME
  • 11
    GEO CONCRETE PRODUCTS LIMITED
    12082955
    Prestige Court, Beza Road, Leeds, England
    Active Corporate (3 parents)
    Officer
    2019-07-03 ~ now
    IIF 51 - Director → ME
  • 12
    GEO PLANT HIRE LTD
    - now 09803241
    HLWKH 597 LIMITED - 2015-10-19
    Prestige Court Beza Road, Hunslet, Leeds, West Yorkshire, England
    Active Corporate (3 parents)
    Officer
    2021-04-01 ~ now
    IIF 49 - Director → ME
  • 13
    GEO QUARRIES (LITTLE PONTON) LTD
    - now 09408910
    HLWKH 581 LIMITED
    - 2015-07-30 09408910 09408946... (more)
    Prestige Court, Beza Road, Leeds, England
    Active Corporate (3 parents)
    Officer
    2015-07-14 ~ now
    IIF 19 - Director → ME
  • 14
    GEO QUARRIES MANAGEMENT LTD
    - now 12058836
    GEO QUARRIES (COLSTERWORTH) LIMITED
    - 2024-08-13 12058836
    Prestige Court, Beza Road, Leeds, England
    Active Corporate (2 parents)
    Officer
    2019-06-19 ~ now
    IIF 52 - Director → ME
  • 15
    GO2023 REALISATIONS LTD
    - now 09790057
    GEO QUARRIES LTD
    - 2024-09-24 09790057
    HLWKH 596 LIMITED - 2015-10-19
    7400 Daresbury Park Daresbury, Warrington, Cheshire
    In Administration Corporate (5 parents)
    Officer
    2018-01-26 ~ now
    IIF 20 - Director → ME
  • 16
    HCE TRAINING LIMITED
    - now 05303096
    PORTFORD (SELBY) LIMITED
    - 2009-06-30 05303096
    2175 Century Way, Thorpe Park, Leeds
    Dissolved Corporate (7 parents)
    Officer
    2004-12-02 ~ dissolved
    IIF 32 - Director → ME
  • 17
    HEWLETT (BR) LIMITED
    14495333
    2175 Century Way Thorpe Park, Leeds, West Yorkshire, United Kingdom
    Active Corporate (1 parent)
    Officer
    2022-11-21 ~ now
    IIF 44 - Director → ME
    Person with significant control
    2022-11-21 ~ now
    IIF 2 - Right to appoint or remove directors OE
    IIF 2 - Ownership of voting rights - 75% or more OE
    IIF 2 - Ownership of shares – 75% or more OE
  • 18
    HEWLETT (CG1) LIMITED
    13477695 13477777... (more)
    2175 Century Way Thorpe Park, Leeds, West Yorkshire, United Kingdom
    Active Corporate (1 parent)
    Officer
    2021-06-25 ~ now
    IIF 47 - Director → ME
    Person with significant control
    2021-06-25 ~ now
    IIF 1 - Ownership of voting rights - 75% or more OE
    IIF 1 - Right to appoint or remove directors OE
    IIF 1 - Ownership of shares – 75% or more OE
  • 19
    HEWLETT (CG2) LIMITED
    13477777 13477920... (more)
    2175 Century Way Thorpe Park, Leeds, West Yorkshire, United Kingdom
    Active Corporate (1 parent)
    Officer
    2021-06-25 ~ now
    IIF 43 - Director → ME
    Person with significant control
    2021-06-25 ~ now
    IIF 3 - Ownership of shares – 75% or more OE
    IIF 3 - Right to appoint or remove directors OE
    IIF 3 - Ownership of voting rights - 75% or more OE
  • 20
    HEWLETT (CG3) LIMITED
    13477920 13477777... (more)
    2175 Century Way Thorpe Park, Leeds, West Yorkshire, United Kingdom
    Active Corporate (1 parent)
    Officer
    2021-06-25 ~ now
    IIF 45 - Director → ME
    Person with significant control
    2021-06-25 ~ now
    IIF 4 - Ownership of voting rights - 75% or more OE
    IIF 4 - Right to appoint or remove directors OE
    IIF 4 - Ownership of shares – 75% or more OE
  • 21
    HEWLETT (KILBRIDE) LTD
    16673759
    2175 Century Way Thorpe Park, Leeds, West Yorkshire, England
    Active Corporate (1 parent)
    Officer
    2025-08-27 ~ now
    IIF 17 - Director → ME
    Person with significant control
    2025-08-27 ~ now
    IIF 8 - Ownership of voting rights - 75% or more OE
    IIF 8 - Ownership of shares – 75% or more OE
    IIF 8 - Right to appoint or remove directors OE
  • 22
    HEWLETT CIVIL ENGINEERING LIMITED - now
    - 1987-11-19~1988-03-28
    - - 1987-11-19~1988-03-28 02196045
    C/o Bdo Llp Central Square, 29 Wellington Street, Leeds
    Liquidation Corporate (17 parents)
    Officer
    ~ now
    IIF 26 - Director → ME
    ~ 1994-03-01
    IIF 56 - Secretary → ME
  • 23
    HEWLETT CONSTRUCTION GROUP LIMITED
    05117806
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Active Corporate (4 parents)
    Officer
    2004-05-06 ~ now
    IIF 21 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 13 - Ownership of shares – 75% or more as a member of a firm OE
  • 24
    HEWLETT ENVIRONMENTAL LIMITED
    - now 05302753
    PORTFORD (BARNSLEY) LIMITED
    - 2008-04-29 05302753
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Dissolved Corporate (7 parents)
    Officer
    2004-12-02 ~ dissolved
    IIF 35 - Director → ME
  • 25
    HEWLETT PLANT HIRE LIMITED
    02600937
    Bdo Llp, 1 Bridgewater Place Water Lane, Leeds
    Dissolved Corporate (10 parents)
    Officer
    (before 1992-04-12) ~ dissolved
    IIF 28 - Director → ME
    (before 1992-04-12) ~ 1994-01-31
    IIF 55 - Secretary → ME
  • 26
    HEWLETT RAIL LIMITED
    04715717
    Bdo Llp, 1 Bridgewater Place Water Lane, Leeds
    Dissolved Corporate (7 parents)
    Officer
    2003-03-28 ~ dissolved
    IIF 25 - Director → ME
  • 27
    HLWKH 591 LIMITED
    09732632 09803241... (more)
    Thorpe Park, 2175 Century Way, Leeds, England
    Active Corporate (1 parent)
    Officer
    2015-08-14 ~ now
    IIF 53 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 15 - Ownership of shares – 75% or more OE
  • 28
    LINCTON LIMITED
    - now 07180317
    HLW 404 LIMITED
    - 2010-05-21 07180317 07228875... (more)
    Beehive Business Park, Rand, Market Rasen, Lincolnshire, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2010-05-20 ~ dissolved
    IIF 37 - Director → ME
  • 29
    LYNFIELD (MIDLANDS) LTD
    14934814
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire, United Kingdom
    Active Corporate (1 parent, 1 offspring)
    Officer
    2023-06-14 ~ now
    IIF 46 - Director → ME
  • 30
    OPTI-INNOVATIONS INTERNATIONAL LIMITED
    12081767
    2175 Thorpe Park, Leeds, England
    Active Corporate (2 parents)
    Officer
    2019-07-03 ~ now
    IIF 48 - Director → ME
    Person with significant control
    2019-07-03 ~ now
    IIF 5 - Ownership of voting rights - 75% or more OE
    IIF 5 - Ownership of shares – 75% or more OE
    IIF 5 - Right to appoint or remove directors OE
  • 31
    PACE PROPERTIES LIMITED
    11316687
    C/o Gaines Robson Insolvency Ltd Carrwood Park, Selby Road, Leeds, West Yorkshire
    Dissolved Corporate (4 parents)
    Officer
    2018-04-18 ~ dissolved
    IIF 30 - Director → ME
  • 32
    PLATINUM EQUIPMENT LIMITED
    10871370
    2175 Century Way, Thorpe Park, Leeds, United Kingdom
    Active Corporate (3 parents)
    Officer
    2018-11-29 ~ now
    IIF 40 - Director → ME
    Person with significant control
    2017-07-18 ~ now
    IIF 9 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 9 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 33
    PORTFORD HOMES LIMITED
    - now 01627774
    PORTFORD BUILDERS LIMITED
    - 2004-07-21 01627774
    Bdo Llp, 1 Bridgewater Place Water Lane, Leeds
    Dissolved Corporate (16 parents)
    Officer
    2004-03-17 ~ dissolved
    IIF 33 - Director → ME
  • 34
    RAND TRAINING LIMITED
    04949671
    93 Queen Street, Sheffield
    Dissolved Corporate (9 parents)
    Officer
    2010-05-27 ~ dissolved
    IIF 36 - Director → ME
  • 35
    RIBBLEHEAD LIMITED
    11785497
    2175 Century Way, Thorpe Park, Leeds, United Kingdom
    Active Corporate (1 parent)
    Officer
    2019-01-24 ~ now
    IIF 41 - Director → ME
    Person with significant control
    2019-01-24 ~ now
    IIF 7 - Ownership of voting rights - 75% or more OE
    IIF 7 - Ownership of shares – 75% or more OE
    IIF 7 - Right to appoint or remove directors OE
  • 36
    TWOFOLD FIRST SERVICES LLP
    OC366101
    Tax Advisory Partnership, 14 Devonshire Square, London, England
    Dissolved Corporate (271 parents)
    Officer
    2012-03-01 ~ 2021-02-22
    IIF 54 - LLP Designated Member → ME
  • 37
    ULLSWATER (BARNSLEY) LIMITED
    - now 04177235
    MAXITRAVEL LIMITED
    - 2001-04-11 04177235
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Dissolved Corporate (4 parents)
    Officer
    2001-04-06 ~ dissolved
    IIF 27 - Director → ME
  • 38
    ULLSWATER ESTATES LIMITED
    04061199
    2175 Century Way, Thorpe Park, Leeds, West Yorkshire
    Dissolved Corporate (8 parents)
    Officer
    2000-08-29 ~ dissolved
    IIF 38 - Director → ME

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.