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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

Mcwilliams, Martin

    Related profiles found in government register
  • Mcwilliams, Martin
    Irish born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Lindsay House, 10 Callender Street, Belfast, Antrim, BT1 5BN

      IIF 1

    • Campbell House, Unit B, M8 Central Business Park, Greenside Road, Newhouse, ML1 5FL, United Kingdom

      IIF 2

    • 114, Carnalea Road, Seskanore, Omagh, County Tyrone, BT78 2PR, Northern Ireland

      IIF 3

    • 114, Carnalea Road, Seskinore, Omagh, Co. Tyrone, BT78 2PR, United Kingdom

      IIF 4

    • 114, Carnalea Road, Seskinore, Omagh, Tyrone, BT78 2PR

      IIF 5

    • 52a Tonnagh Road, Fintona, Omagh, Co Tyrone, BT78 2JJ

      IIF 6
  • Mcwilliams, Martin Francis
    British born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 17 Clarendon Road, Belfast, BT1 3BG, United Kingdom

      IIF 7

    • Duo Group, Siskin Drive, Coventry, CV3 4FJ, England

      IIF 8

    • Duo Group, Siskin Drive, Coventry, CV3 4FJ, United Kingdom

      IIF 9

    • Duo Group, Siskin Drive, Coventry, West Midlands, CV3 4FJ, United Kingdom

      IIF 10

    • Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, CV3 4FJ, England

      IIF 11 IIF 12

    • Unit 5 Silverdown Office Park, Fair Oak Close, Clyst Honiton, Exeter, Devon, EX5 2UX, United Kingdom

      IIF 13 IIF 14

    • 52a, Tonnagh Road, Fintona, Omagh, BT78 2JJ, Northern Ireland

      IIF 15

    • 52a, Tonnagh Road, Fintona, Omagh, County Tyrone, BT78 2JJ, Northern Ireland

      IIF 16
  • Mcwilliams, Martin
    Irish born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 17 Clarendon Road, Clarendon Dock, Belfast, BT1 3BG, United Kingdom

      IIF 17
  • Mc Williams, Martin
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 17, Clarendon Road, Clarendon Dock, Belfast, BT1 3BG, Northern Ireland

      IIF 18
  • Mc Williams, Martin Francis
    Irish born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 143 Malone Road, Belfast, BT9 6SU

      IIF 19
  • Mcwilliams, Martin

    Registered addresses and corresponding companies

    • Lindsay House, 10 Callender Street, Belfast, Antrim, BT1 5BN

      IIF 20

    • 114, Carnalea Road, Seskinore, Omagh, Co. Tyrone, BT78 2PR, United Kingdom

      IIF 21
  • Mcwilliams, Martin Francis
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 4 Rye Hill Office Park, Birmingham Road, Allesley, Coventry, West Midlands, CV5 9AB, England

      IIF 22

    • Siskin Drive, Middlemarch Business Park, Coventry, CV3 4FJ, England

      IIF 23

    • 52(a) Tonnagh Road, Fitona, Omagh, Co. Tyrone, BT7 2JJ, Northern Ireland

      IIF 24
  • Mr Martin Francis Mcwilliams
    British born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 17 Clarendon Road, Belfast, BT1 3BG, United Kingdom

      IIF 25

    • Duo Group, Siskin Drive, Coventry, CV3 4FJ, England

      IIF 26

    • Duo Group, Siskin Drive, Coventry, CV3 4FJ, United Kingdom

      IIF 27

    • Duo Group, Siskin Drive, Coventry, West Midlands, CV3 4FJ, United Kingdom

      IIF 28

    • 11-15, Thistle Street, Edinburgh, EH2 1DF, Scotland

      IIF 29

    • Unit 5 Silverdown Office Park, Fair Oak Close, Clyst Honiton, Exeter, EX5 2UX, United Kingdom

      IIF 30 IIF 31

    • 52a, Tonnagh Road, Fintona, Omagh, BT78 2JJ, Northern Ireland

      IIF 32

    • 52a, Tonnagh Road, Fintona, Omagh, County Tyrone, BT78 2JJ

      IIF 33
  • Mr Martin Mcwilliams
    Irish born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 17 Clarendon Road, Clarendon Dock, Belfast, BT1 3BG, United Kingdom

      IIF 34

    • 114, Carnalea Road, Seskanore, Omagh, Co Tyrone, BT78 2PR, Northern Ireland

      IIF 35
  • Mr Martin Mc Williams
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 17, Clarendon Road, Clarendon Dock, Belfast, BT1 3BG, Northern Ireland

      IIF 36
  • Mr Martin Francis Mcwilliams
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, CV3 4FJ, England

      IIF 37

    • 5 Silverdown Office Park, Fair Oak Close, Clyst Honiton, Exeter, Devon, EX5 7BG, England

      IIF 38 IIF 39
child relation
Offspring entities and appointments 20
  • 1
    CLOGHER VALLEY MATERIALS LIMITED
    NI724384
    52a Tonnagh Road, Fintona, Omagh, County Tyrone, Northern Ireland
    Active Corporate (2 parents)
    Officer
    2024-12-05 ~ now
    IIF 16 - Director → ME
    Person with significant control
    2024-12-05 ~ 2025-06-26
    IIF 32 - Right to appoint or remove directors → OE
    IIF 32 - Ownership of voting rights - 75% or more → OE
    IIF 32 - Ownership of shares – 75% or more → OE
  • 2
    CONSTRUCTION EMPLOYERS FEDERATION LIMITED
    - now NI001944 NI028962
    FEDERATION OF BUILDING AND CIVIL ENGINEERING CONTRACTORS (N.I.) LTD. - 1990-04-25
    143 Malone Road, Belfast
    Active Corporate (82 parents, 4 offsprings)
    Officer
    2008-04-21 ~ 2012-05-16
    IIF 19 - Director → ME
  • 3
    DMP HOLDINGS LIMITED
    14943418 02094479
    Siskin Drive, Coventry, England
    Active Corporate (1 parent, 1 offspring)
    Officer
    2023-06-19 ~ now
    IIF 14 - Director → ME
    Person with significant control
    2023-06-19 ~ now
    IIF 31 - Ownership of shares – 75% or more → OE
    IIF 31 - Right to appoint or remove directors → OE
    IIF 31 - Ownership of voting rights - 75% or more → OE
  • 4
    DUO EQUIPMENT SALES LIMITED
    17175614
    Duo Group, Siskin Drive, Coventry, United Kingdom
    Active Corporate (3 parents)
    Officer
    2026-04-23 ~ now
    IIF 9 - Director → ME
    Person with significant control
    2026-04-23 ~ now
    IIF 27 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 27 - Ownership of shares – More than 25% but not more than 50% → OE
  • 5
    DUO GROUP (U.K.) LTD
    - now 05167242
    DUO ASSETS LIMITED
    - 2021-03-09 05167242
    DENBOW ASSETS LIMITED - 2018-11-13
    DENBOW INTERNATIONAL LIMITED - 2016-04-01
    CRESTFREE LIMITED - 2004-09-28
    Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, England
    Active Corporate (16 parents, 2 offsprings)
    Officer
    2019-09-30 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2023-06-19 ~ 2023-06-19
    IIF 39 - Ownership of shares – 75% or more → OE
    IIF 39 - Ownership of voting rights - 75% or more → OE
    IIF 39 - Right to appoint or remove directors → OE
  • 6
    DUO OPERATIONS LIMITED
    - now 07505341
    DENBOW INTERNATIONAL LIMITED
    - 2018-11-13 07505341 05167242
    DENBOW INTEGRATED SPARES LIMITED - 2016-04-01
    Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, England
    Active Corporate (10 parents, 2 offsprings)
    Officer
    2018-04-09 ~ now
    IIF 24 - Director → ME
  • 7
    DUO SITE SERVICES LIMITED
    15308084
    Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, England
    Active Corporate (5 parents)
    Officer
    2023-11-24 ~ 2023-12-18
    IIF 13 - Director → ME
    Person with significant control
    2023-11-24 ~ 2023-11-24
    IIF 30 - Ownership of shares – More than 50% but less than 75% → OE
    IIF 30 - Right to appoint or remove directors → OE
    IIF 30 - Ownership of voting rights - More than 50% but less than 75% → OE
  • 8
    EXCAV8 LIMITED
    SC495844
    11-15 Thistle Street, Edinburgh, Scotland
    Active Corporate (8 parents)
    Officer
    2017-01-25 ~ now
    IIF 15 - Director → ME
    2015-01-23 ~ 2015-02-13
    IIF 2 - Director → ME
    Person with significant control
    2017-01-22 ~ 2018-05-01
    IIF 29 - Ownership of shares – 75% or more → OE
  • 9
    FREUGHMORE DEVELOPMENTS LIMITED
    NI061492
    114 Carnalea Road, Seskinore, Omagh, Co Tyrone
    Dissolved Corporate (7 parents)
    Officer
    2006-10-25 ~ dissolved
    IIF 6 - Director → ME
  • 10
    LPE PLANT LIMITED
    NI617572
    52a Tonnagh Road, Fintona, Omagh, County Tyrone
    Active Corporate (2 parents, 1 offspring)
    Officer
    2013-03-27 ~ now
    IIF 4 - Director → ME
    2013-03-27 ~ now
    IIF 21 - Secretary → ME
    Person with significant control
    2017-02-01 ~ now
    IIF 33 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 33 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 11
    NATIONWIDE MATERIALS LIMITED
    16173317
    Duo Group, Siskin Drive, Coventry, England
    Active Corporate (3 parents, 2 offsprings)
    Officer
    2025-01-09 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2025-01-09 ~ 2025-06-24
    IIF 26 - Ownership of shares – 75% or more → OE
  • 12
    NORTH WALES MATERIALS LIMITED
    - now 11332995 16759547
    SEOUL LIMITED
    - 2025-01-06 11332995
    Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, England
    Active Corporate (11 parents)
    Officer
    2025-01-06 ~ now
    IIF 23 - Director → ME
    2020-06-10 ~ 2022-05-20
    IIF 22 - Director → ME
    Person with significant control
    2023-07-10 ~ 2025-06-26
    IIF 37 - Ownership of voting rights - 75% or more → OE
    IIF 37 - Ownership of shares – 75% or more → OE
    IIF 37 - Right to appoint or remove directors → OE
  • 13
    NORTH WEST MATERIALS LIMITED
    16759547 11332995
    Duo Group, Siskin Drive, Coventry, West Midlands, United Kingdom
    Active Corporate (2 parents)
    Officer
    2025-10-02 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2025-10-02 ~ now
    IIF 28 - Right to appoint or remove directors → OE
    IIF 28 - Ownership of shares – 75% or more → OE
    IIF 28 - Ownership of voting rights - 75% or more → OE
  • 14
    PT MCWILLIAMS CONTRACTS LIMITED
    NI609281
    114 Carnalea Road, Seskinore, Omagh, Tyrone
    Dissolved Corporate (4 parents)
    Officer
    2011-09-30 ~ dissolved
    IIF 5 - Director → ME
  • 15
    PT MCWILLIAMS EARTHWORKS LIMITED
    NI623999
    114 Carnalea Road, Seskanore, Omagh, County Tyrone
    Active Corporate (3 parents)
    Officer
    2014-04-09 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2016-04-06 ~ 2019-10-05
    IIF 35 - Ownership of shares – 75% or more → OE
    IIF 35 - Ownership of voting rights - 75% or more → OE
  • 16
    PT MCWILLIAMS GROUP LTD
    - now NI682065 NI697225
    ARC WINES LTD
    - 2023-06-08 NI682065
    17 Clarendon Road, Belfast, United Kingdom
    Active Corporate (5 parents, 2 offsprings)
    Officer
    2022-10-31 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2022-10-31 ~ now
    IIF 25 - Ownership of shares – 75% or more → OE
    IIF 25 - Ownership of voting rights - 75% or more → OE
    IIF 25 - Right to appoint or remove directors → OE
  • 17
    PT MCWILLIAMS LIMITED
    NI046422
    Insolvency (Case 1) In administration
    Administration started on 2011-10-04 during the appointment or period of control
    Administration ended on 2012-03-07 during the appointment or period of control
    Insolvency (Case 2) Corporate voluntary arrangement (CVA)
    Date of meeting to approve CVA on 2011-10-24 during the appointment or period of control
    Date of completion or termination of CVA on 2015-02-19 during the appointment or period of control
    Insolvency (Case 3) In administration
    Administration started on 2015-02-13 during the appointment or period of control
    Administration ended on 2024-02-07 during the appointment or period of control
    Bdo, Lindsay House, 10 Callender Street, Belfast, Antrim
    Dissolved Corporate (13 parents)
    Officer
    2004-02-12 ~ dissolved
    IIF 1 - Director → ME
    2014-10-30 ~ dissolved
    IIF 20 - Secretary → ME
  • 18
    PT MCWILLIAMS PLANT HIRE LTD
    - now NI697225
    PT MCWILLIAMS GROUP LTD
    - 2023-06-08 NI697225 NI682065
    17 Clarendon Road Clarendon Dock, Belfast, United Kingdom
    Active Corporate (1 parent)
    Officer
    2023-05-16 ~ now
    IIF 17 - Director → ME
    Person with significant control
    2023-05-16 ~ now
    IIF 34 - Ownership of shares – 75% or more → OE
    IIF 34 - Ownership of voting rights - 75% or more → OE
    IIF 34 - Right to appoint or remove directors → OE
  • 19
    SOUTH WEST MATERIALS LIMITED
    - now 05436232
    DUO PROCESSING LIMITED
    - 2025-10-09 05436232
    DUO MINERAL PROCESSING LIMITED - 2018-11-14
    DUO CONTRACTING LIMITED - 2010-11-25
    Siskin Drive, Middlemarch Business Park, Coventry, West Midlands, England
    Active Corporate (16 parents)
    Officer
    2019-01-15 ~ now
    IIF 12 - Director → ME
    Person with significant control
    2023-06-19 ~ 2023-06-20
    IIF 38 - Right to appoint or remove directors → OE
    IIF 38 - Ownership of shares – 75% or more → OE
    IIF 38 - Ownership of voting rights - 75% or more → OE
  • 20
    TONNAGH BEG GROUP LTD
    NI642067
    17 Clarendon Road, Clarendon Dock, Belfast, Northern Ireland
    Active Corporate (5 parents, 1 offspring)
    Officer
    2016-11-10 ~ now
    IIF 18 - Director → ME
    Person with significant control
    2016-11-10 ~ 2017-04-01
    IIF 36 - Has significant influence or control → OE

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.