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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 Martin Francis Mcwilliams

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

    Resident in Northern Ireland

    Registered addresses and corresponding companies

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

      IIF 1
  • Mr Martin Francis Mcwilliams
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

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

      IIF 2

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

      IIF 3

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

      IIF 4

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

      IIF 5

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

      IIF 6 IIF 7

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

      IIF 8

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

      IIF 9
  • 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 10

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

      IIF 11
  • 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 12
  • Mc Williams, Martin Francis
    Irish director born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

    • 143 Malone Road, Belfast, BT9 6SU

      IIF 13
  • 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 14
  • Mcwilliams, Martin Francis
    British born in June 1976

    Resident in Northern Ireland

    Registered addresses and corresponding companies

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

      IIF 15

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

      IIF 16

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

      IIF 17

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

      IIF 18

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

      IIF 19

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

      IIF 20 IIF 21

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

      IIF 22

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

      IIF 23

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

      IIF 24
  • Mr Martin Mcwilliams
    British born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 25 IIF 26
  • 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 27
  • Mcwilliams, Martin
    Irish born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 28

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

      IIF 29
  • Mcwilliams, Martin
    Irish director born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 30
  • Mcwilliams, Martin
    Irish managing director born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 31
  • Mcwilliams, Martin
    Irish none born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 32
  • Mcwilliams, Martin
    British born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 33
  • Mcwilliams, Martin
    British director born in June 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 34
  • Mcwilliams, Martin

    Registered addresses and corresponding companies

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

      IIF 35

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

      IIF 36
child relation
Offspring entities and appointments 18
  • 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 23 - Director → ME
    Person with significant control
    2024-12-05 ~ 2025-06-26
    IIF 8 - Ownership of voting rights - 75% or more → OE
    IIF 8 - Right to appoint or remove directors → OE
    IIF 8 - 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 (81 parents, 4 offsprings)
    Officer
    2008-04-21 ~ 2012-05-16
    IIF 13 - Director → ME
  • 3
    DMP HOLDINGS LIMITED
    14943418 02094479
    Siskin Drive, Coventry, England
    Active Corporate (1 parent, 1 offspring)
    Officer
    2023-06-19 ~ now
    IIF 33 - Director → ME
    Person with significant control
    2023-06-19 ~ now
    IIF 26 - Right to appoint or remove directors → OE
    IIF 26 - Ownership of shares – 75% or more → OE
    IIF 26 - Ownership of voting rights - 75% or more → OE
  • 4
    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 20 - Director → ME
    Person with significant control
    2023-06-19 ~ 2023-06-19
    IIF 7 - Ownership of voting rights - 75% or more → OE
    IIF 7 - Right to appoint or remove directors → OE
    IIF 7 - Ownership of shares – 75% or more → OE
  • 5
    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
  • 6
    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 34 - Director → ME
    Person with significant control
    2023-11-24 ~ 2023-11-24
    IIF 25 - Right to appoint or remove directors → OE
    IIF 25 - Ownership of shares – More than 50% but less than 75% → OE
    IIF 25 - Ownership of voting rights - More than 50% but less than 75% → OE
  • 7
    EXCAV8 LIMITED
    SC495844
    11-15 Thistle Street, Edinburgh, Scotland
    Active Corporate (8 parents)
    Officer
    2015-01-23 ~ 2015-02-13
    IIF 30 - Director → ME
    2017-01-25 ~ now
    IIF 22 - Director → ME
    Person with significant control
    2017-01-22 ~ 2018-05-01
    IIF 1 - Ownership of shares – 75% or more → OE
  • 8
    LPE PLANT LIMITED
    NI617572
    52a Tonnagh Road, Fintona, Omagh, County Tyrone
    Active Corporate (2 parents, 1 offspring)
    Officer
    2013-03-27 ~ now
    IIF 29 - Director → ME
    2013-03-27 ~ now
    IIF 36 - Secretary → ME
    Person with significant control
    2017-02-01 ~ 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
  • 9
    NATIONWIDE MATERIALS LIMITED
    16173317
    Duo Group, Siskin Drive, Coventry, England
    Active Corporate (3 parents, 2 offsprings)
    Officer
    2025-01-09 ~ now
    IIF 17 - Director → ME
    Person with significant control
    2025-01-09 ~ 2025-06-24
    IIF 3 - Ownership of shares – 75% or more → OE
  • 10
    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 19 - Director → ME
    2020-06-10 ~ 2022-05-20
    IIF 16 - Director → ME
    Person with significant control
    2023-07-10 ~ 2025-06-26
    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
  • 11
    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 18 - Director → ME
    Person with significant control
    2025-10-02 ~ 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
  • 12
    PT MCWILLIAMS CONTRACTS LIMITED
    NI609281
    114 Carnalea Road, Seskinore, Omagh, Tyrone
    Dissolved Corporate (4 parents)
    Officer
    2011-09-30 ~ dissolved
    IIF 32 - Director → ME
  • 13
    PT MCWILLIAMS EARTHWORKS LIMITED
    NI623999
    114 Carnalea Road, Seskanore, Omagh, County Tyrone
    Active Corporate (3 parents)
    Officer
    2014-04-09 ~ now
    IIF 28 - Director → ME
    Person with significant control
    2016-04-06 ~ 2019-10-05
    IIF 11 - Ownership of voting rights - 75% or more → OE
    IIF 11 - Ownership of shares – 75% or more → OE
  • 14
    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 15 - Director → ME
    Person with significant control
    2022-10-31 ~ now
    IIF 2 - Right to appoint or remove directors → OE
    IIF 2 - Ownership of shares – 75% or more → OE
    IIF 2 - Ownership of voting rights - 75% or more → OE
  • 15
    PT MCWILLIAMS LIMITED
    NI046422
    Bdo, Lindsay House, 10 Callender Street, Belfast, Antrim
    Dissolved Corporate (9 parents)
    Officer
    2004-02-12 ~ dissolved
    IIF 31 - Director → ME
    2014-10-30 ~ dissolved
    IIF 35 - Secretary → ME
  • 16
    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 14 - Director → ME
    Person with significant control
    2023-05-16 ~ now
    IIF 10 - Right to appoint or remove directors → OE
    IIF 10 - Ownership of voting rights - 75% or more → OE
    IIF 10 - Ownership of shares – 75% or more → OE
  • 17
    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 21 - Director → ME
    Person with significant control
    2023-06-19 ~ 2023-06-20
    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
  • 18
    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 27 - Director → ME
    Person with significant control
    2016-11-10 ~ now
    IIF 12 - Has significant influence or control → OE

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.