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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

Walker, Mark Johnstone

    Related profiles found in government register
  • Walker, Mark Johnstone
    British accountant born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies
  • Walker, Mark Johnstone
    British chief financial officer born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies

    • Broadfold House, Broadfold Road, Bridge Of Don, Aberdeen, AB23 8EE

      IIF 25

    • International House, 24 Holborn Viaduct, London, EC1A 2BN, United Kingdom

      IIF 26
  • Walker, Mark Johnstone
    British director born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies

    • 4, Conglass Place, Inverurie, Aberdeenshire, AB51 4LH, Scotland

      IIF 27 IIF 28
  • Walker, Mark Johnstone
    British director - finance born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies

    • C/o Kca Deutag Drilling Limited, Minto Drive, Altens Industrial Estate, Aberdeen, AB12 3LW, United Kingdom

      IIF 29

    • Kca Deutag Limited, Minto Drive, Altens Industrial Estate, Aberdeen, Aberdeenshire, AB12 3LW, Scotland

      IIF 30

    • Minto Drive, Altens Industrial Estate, Aberdeen, AB12 3LW, Scotland

      IIF 31

    • 3, Colmore Circus, Birmingham, West Midlands, B4 6BH, Uk

      IIF 32
  • Walker, Mark Johnstone
    British finance director born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies
  • Walker, Mark Johnstone
    British financial controller born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies

    • 4 Conglass Place, Inverurie, Aberdeenshire, AB51 4LH

      IIF 53
  • Walker, Mark Johnstone
    British group financial controller born in November 1968

    Resident in Scotland

    Registered addresses and corresponding companies

    • 4, Conglass Place, Inverurie, Aberdeenshire, AB51 4LH

      IIF 54 IIF 55
  • Walker, Mark Johnstone
    British group financial controller born in November 1960

    Resident in Scotland

    Registered addresses and corresponding companies

    • 4, Conglass Place, Inverurie, Aberdeenshire, AB51 4LH

      IIF 56
  • Walker, Mark Johnstone
    British born in November 1968

    Resident in United Arab Emirates

    Registered addresses and corresponding companies
  • Walker, Mark Johnstone

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 21
  • 1
    OBM LIMITED - 2011-02-11
    ASCO (MEXICO) LIMITED - 2006-11-06
    ASCO OFFSHORE LIMITED - 2005-04-14
    WOOD GROUP OFFSHORE LIMITED - 1999-05-19
    Regent Centre, Regent Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (3 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 18 - Director → ME
  • 2
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Dissolved Corporate (5 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 6 - Director → ME
  • 3
    SUPPLYLINK (UK) LIMITED - 1998-02-05
    HACKREMCO (NO.761) LIMITED - 1992-05-04
    Regent Centre, Regent Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (4 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 15 - Director → ME
  • 4
    International House, 36-38 Cornhill, London, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2019-07-31 ~ now
    IIF 65 - Secretary → ME
  • 5
    International House, 36-38 Cornhill, London, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2024-05-14 ~ now
    IIF 61 - Director → ME
    2019-07-31 ~ now
    IIF 64 - Secretary → ME
  • 6
    International House, 36-38 Cornhill, London, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2019-07-31 ~ now
    IIF 62 - Secretary → ME
  • 7
    International House, 36-38 Cornhill, London, England
    Active Corporate (8 parents, 1 offspring)
    Officer
    2019-07-31 ~ now
    IIF 63 - Secretary → ME
  • 8
    Broadfold House Broadfold Road, Bridge Of Don, Aberdeen
    Dissolved Corporate (4 parents)
    Officer
    2019-07-31 ~ dissolved
    IIF 25 - Director → ME
  • 9
    LEDGE 925 LIMITED - 2006-03-02
    Regent Centre, Regent Road, Aberdeen
    Dissolved Corporate (3 parents)
    Officer
    2013-08-07 ~ dissolved
    IIF 16 - Director → ME
  • 10
    Esphehaugen 37, 5258 Blomsterdalen, 1201 Bergen, Norway
    Active Corporate (3 parents)
    Officer
    2011-03-11 ~ now
    IIF 27 - Director → ME
  • 11
    3340, Road Town, Tortola, Virgin Islands
    Active Corporate (2 parents)
    Officer
    2010-01-13 ~ now
    IIF 34 - Director → ME
  • 12
    20 Maxwell Road, 11-18 Maxwell House, Singapore, Singapore
    Active Corporate (5 parents)
    Officer
    2011-01-07 ~ now
    IIF 28 - Director → ME
  • 13
    HACKREMCO (NO.750) LIMITED - 1992-05-19
    Regent Centre, Regent Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (3 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 19 - Director → ME
  • 14
    LEDGE 318 LIMITED - 1997-03-25
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 14 - Director → ME
  • 15
    TOTAL WASTE MANAGEMENT ALLIANCE PLC - 2007-07-13
    Blackwood House, Union Grove Lane, Aberdeen, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2019-07-31 ~ now
    IIF 57 - Director → ME
  • 16
    Blackwood House, Union Grove Lane, Aberdeen, United Kingdom
    Active Corporate (5 parents)
    Officer
    2019-07-31 ~ now
    IIF 58 - Director → ME
  • 17
    NUNN GROUP PLC - 2007-07-13
    Blackwood House, Union Grove Lane, Aberdeen, United Kingdom
    Active Corporate (6 parents, 4 offsprings)
    Officer
    2019-07-31 ~ now
    IIF 59 - Director → ME
  • 18
    International House, 24 Holborn Viaduct, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2019-07-31 ~ dissolved
    IIF 26 - Director → ME
  • 19
    J.J. WELDING FABRICATIONS LIMITED - 2012-09-18
    Blackwood House, Union Grove Lane, Aberdeen, United Kingdom
    Active Corporate (5 parents)
    Officer
    2019-07-31 ~ now
    IIF 60 - Director → ME
  • 20
    CARDLAW LIMITED - 2000-04-10
    Regent Centre, Regent Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (3 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 20 - Director → ME
  • 21
    Regent Centre, Regent Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (4 parents)
    Officer
    2013-02-27 ~ dissolved
    IIF 17 - Director → ME
Ceased 43
  • 1
    UNIGROUP PLC - 1995-06-19
    U U TEXTILES P L C - 1983-01-17
    1 Park Row, Leeds, England
    Active Corporate (5 parents, 9 offsprings)
    Officer
    2011-05-03 ~ 2013-01-31
    IIF 54 - Director → ME
  • 2
    ASSETSCALE PUBLIC LIMITED COMPANY - 1992-05-08
    1 Park Row, Leeds, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2010-01-18 ~ 2013-01-31
    IIF 56 - Director → ME
  • 3
    PINCO 2210 LIMITED - 2004-10-14
    1 Park Row, Leeds, England
    Active Corporate (4 parents)
    Officer
    2008-04-28 ~ 2013-01-31
    IIF 47 - Director → ME
  • 4
    ALTRA CONSULTANTS LIMITED - 2003-04-01
    EGALIS LIMITED - 1989-08-22
    Ernst & Young Llp, Ten George Street, Edinburgh
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 36 - Director → ME
  • 5
    ASCO GROUP LIMITED - 2012-12-18
    DE FACTO 1403 LIMITED - 2006-09-20
    Great Yarmouth Offshore Supply, Base South Denes Road, Great Yarmouth, Norfolk
    Dissolved Corporate (4 parents, 1 offspring)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 23 - Director → ME
  • 6
    ASCO FUNDING LIMITED - 2012-12-18
    DE FACTO 1410 LIMITED - 2006-09-27
    Great Yarmouth Offshore Supply, Base South Denes Road, Great Yarmouth, Norfolk
    Dissolved Corporate (4 parents, 1 offspring)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 22 - Director → ME
  • 7
    ASCO ACQUISITIONS LIMITED - 2012-12-18
    DE FACTO 1404 LIMITED - 2006-09-20
    Great Yarmouth Offshore Supply, Base South Denes Road, Great Yarmouth, Norfolk
    Active Corporate (4 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 21 - Director → ME
  • 8
    ENVIROCO LIMITED - 2018-02-07
    NORWYND LIMITED - 1998-03-27
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen
    Active Corporate (6 parents, 1 offspring)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 8 - Director → ME
  • 9
    ASCO INTERNATIONAL LIMITED - 2001-06-08
    WINDTON LIMITED - 2000-07-07
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen
    Active Corporate (5 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 7 - Director → ME
  • 10
    DELTADEAL LIMITED - 2006-05-12
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (4 parents, 12 offsprings)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 11 - Director → ME
  • 11
    WINGPEN LIMITED - 2008-09-18
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (4 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 2 - Director → ME
  • 12
    FIRSTFILE LIMITED - 2007-05-15
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (6 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 3 - Director → ME
  • 13
    MOREMAIL LIMITED - 2006-05-12
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (5 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 12 - Director → ME
  • 14
    ABERDEEN SERVICE COMPANY (NORTH SEA) LIMITED - 1998-03-31
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen
    Active Corporate (7 parents, 1 offspring)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 13 - Director → ME
  • 15
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (5 parents)
    Officer
    2016-11-10 ~ 2019-05-01
    IIF 1 - Director → ME
  • 16
    DEUTAG UK LIMITED - 2000-12-22
    SMEDVIG OFFSHORE LIMITED - 1998-11-26
    SMEDVIG OFFSHORE EUROPE LIMITED - 1996-10-03
    SMEDVIG LIMITED - 1995-02-13
    TUDORSHIP LIMITED - 1987-11-20
    Ernst & Young Llp, 1 More London Place, London
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 39 - Director → ME
  • 17
    SMEDVIG RESOURCE MANAGEMENT LIMITED - 1998-11-26
    D. S. TECHNICAL RESOURCES LIMITED - 1991-09-17
    NEVONE LIMITED - 1988-05-03
    Ernst & Young Llp, Ten George Street, Edinburgh
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 51 - Director → ME
  • 18
    HARENESS LIMITED - 2000-12-28
    SMEDVIG HOLDINGS LIMITED - 1998-11-26
    SMEDVIG INTERNATIONAL HOLDINGS LIMITED - 1992-01-22
    LEISURESHIP LIMITED - 1988-12-12
    Ernst & Young Llp, 1 More London Place, London
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 50 - Director → ME
  • 19
    Great Yarmouth Offshore Supply Base, South Denes Road, Great Yarmouth, Norfolk, United Kingdom
    Active Corporate (2 parents)
    Officer
    2018-04-17 ~ 2019-05-01
    IIF 24 - Director → ME
  • 20
    LAND RIG SPV LIMITED - 2018-05-01
    1 Park Row, Leeds, England
    Active Corporate (4 parents)
    Officer
    2011-05-24 ~ 2013-01-31
    IIF 40 - Director → ME
  • 21
    KCA CASPIAN LIMITED - 2003-03-05
    KCA PERSONNEL SERVICES LIMITED - 1997-01-30
    REXRILL LIMITED - 1985-02-20
    1 Park Row, Leeds, England
    Active Corporate (4 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 52 - Director → ME
  • 22
    KCA DRILLING GROUP LIMITED - 2002-01-03
    THE BLYSTAD GROUP PLC - 1993-01-12
    KCA DRILLING GROUP P.L.C. - 1990-10-15
    1 Park Row, Leeds, England
    Active Corporate (4 parents, 7 offsprings)
    Officer
    2005-12-19 ~ 2013-01-31
    IIF 43 - Director → ME
  • 23
    K C A DRILLING LIMITED - 2002-01-03
    H&p Bankhead Drive, City South Office Park, Portlethen, Aberdeen, Scotland
    Active Corporate (4 parents, 2 offsprings)
    Officer
    2001-10-23 ~ 2013-01-31
    IIF 49 - Director → ME
  • 24
    KCA DEUTAG LAND RIGS LIMITED - 2012-06-14
    100 West George Street, Glasgow, Scotland
    Dissolved Corporate (1 parent)
    Officer
    2012-06-13 ~ 2013-01-31
    IIF 29 - Director → ME
  • 25
    PROSAFE DRILLING SERVICES (UK) LIMITED - 2005-09-20
    DAMEFLEET LIMITED - 2002-10-04
    130 St. Vincent Street, Glasgow
    Dissolved Corporate (2 parents)
    Officer
    2006-02-06 ~ 2013-01-31
    IIF 44 - Director → ME
  • 26
    ABBOT ENTERPRISES LIMITED - 2010-04-17
    1 Park Row, Leeds, England
    Active Corporate (4 parents)
    Officer
    2012-07-09 ~ 2013-01-31
    IIF 32 - Director → ME
  • 27
    Alec William James Banyard, C/o Abbot Group Plc, Minto Drive, Altens, Aberdeen
    Active Corporate (2 parents)
    Officer
    2009-05-25 ~ 2013-01-31
    IIF 41 - Director → ME
  • 28
    C/o Teneo Financial Advisory Limited, 100 West George Street, Glasgow
    Dissolved Corporate (2 parents, 1 offspring)
    Officer
    2012-05-02 ~ 2013-01-31
    IIF 31 - Director → ME
  • 29
    100 West George Street, Glasgow, Scotland
    Dissolved Corporate (2 parents, 1 offspring)
    Officer
    2012-06-11 ~ 2013-01-31
    IIF 30 - Director → ME
  • 30
    H&p Bankhead Drive, City South Office Park, Portlethen, Aberdeen, Scotland
    Active Corporate (4 parents)
    Officer
    2008-10-03 ~ 2013-01-31
    IIF 48 - Director → ME
  • 31
    KCA DEUTAG RIG DESIGN LIMITED - 2012-06-15
    H&p Bankhead Drive, City South Office Park, Portlethen, Aberdeen, Scotland
    Active Corporate (4 parents)
    Officer
    2012-04-05 ~ 2013-01-31
    IIF 33 - Director → ME
  • 32
    KCA TECHNICAL SUPPORT LIMITED - 2002-01-03
    TUMMELSCENE LIMITED - 2001-09-12
    H&p Bankhead Drive, City South Office Park, Portlethen, Aberdeen, Scotland
    Active Corporate (5 parents)
    Officer
    2001-11-16 ~ 2013-01-31
    IIF 35 - Director → ME
  • 33
    NABORS DRILLING & ENERGY SERVICES UK LIMITED - 1996-11-14
    LOFFLAND NABORS UK LIMITED - 1993-09-01
    SANMOR LIMITED - 1990-08-20
    Ernst & Young Llp, Ten George Street, Edinburgh
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 45 - Director → ME
  • 34
    NABORS EUROPE LIMITED - 1996-11-14
    LOFFLAND NABORS UK LIMITED - 1990-08-20
    NABORS DRILLING (UK) LIMITED - 1990-06-14
    WESTBURNE DRILLING LTD. - 1989-05-15
    WESTBURNE INTERNATIONAL SERVICES LIMITED - 1985-07-11
    Ernst & Young Llp, 1 More London Place, London
    Dissolved Corporate (2 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 42 - Director → ME
  • 35
    1 Park Row, Leeds, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 38 - Director → ME
  • 36
    CHALCO TWENTYTWO LIMITED - 1989-06-07
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen
    Active Corporate (5 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 9 - Director → ME
  • 37
    OILBASE 2011 LIMITED - 2011-02-11
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen
    Active Corporate (5 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 5 - Director → ME
  • 38
    144 5th Floor Atria 1, 144 Morrison Street, Edinburgh, Scotland
    Active Corporate (3 parents)
    Officer
    2013-05-01 ~ 2018-10-11
    IIF 4 - Director → ME
  • 39
    RDS TECHNICAL SERVICES LIMITED - 2020-01-24
    RIG DESIGN SERVICES LIMITED - 2017-05-11
    STOCKTON SOLUTIONS LIMITED - 2007-05-02
    STEANNE SOLUTIONS LIMITED - 2003-08-11
    OPTIMAL SOLUTIONS LIMITED - 1994-09-13
    IDEALACE LIMITED - 1990-07-24
    1 Park Row, Leeds, England
    Dissolved Corporate (2 parents, 1 offspring)
    Officer
    2009-08-31 ~ 2013-01-31
    IIF 53 - Director → ME
  • 40
    STOCKTON SURVEYS LIMITED - 2007-05-02
    OIS SURVEYS LIMITED - 2003-07-14
    KCA DEUTAG LIMITED - 2002-12-17
    KCA INVESTMENT HOLDINGS LIMITED - 2001-09-25
    1 Park Row, Leeds, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2010-01-18 ~ 2013-01-31
    IIF 55 - Director → ME
  • 41
    KCA ENGINEERING LIMITED - 1986-10-28
    Ernst & Young Llp, 1 More London Place, London
    Dissolved Corporate (3 parents)
    Officer
    2009-04-30 ~ 2013-01-31
    IIF 46 - Director → ME
  • 42
    DALGLEN (NO. 1144) LIMITED - 2008-11-21
    Asco Group Headquarters Unit A, 11 Harvest Avenue, D2 Business Park, Dyce, Aberdeen, United Kingdom
    Active Corporate (5 parents)
    Officer
    2013-02-27 ~ 2019-05-01
    IIF 10 - Director → ME
  • 43
    ALTRA HOLDINGS LIMITED - 2014-06-19
    CHICKAHOMINY LIMITED - 1996-09-02
    H&p Bankhead Drive, City South Office Park, Portlethen, Aberdeen, Scotland
    Active Corporate (4 parents)
    Officer
    2008-04-30 ~ 2013-01-31
    IIF 37 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.