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

Simpson, David, Dr

    Related profiles found in government register
  • Simpson, David, Dr
    British businessman born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • Elvingston House, Gladsmuir, Tranent, East Lothian, EH33 1EH

      IIF 1 IIF 2
  • Simpson, David, Dr
    British company consultant born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • Elvingston House, Gladsmuir, Tranent, East Lothian, EH33 1EH

      IIF 3 IIF 4
  • Simpson, David, Dr
    British company director born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies
  • Simpson, David, Dr
    British consultant born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • Elvingston House, Gladsmuir, Tranent, East Lothian, EH33 1EH

      IIF 14 IIF 15
  • Simpson, David, Dr
    British director born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies
  • Simpson, David, Dr
    British engineer born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • Elvingston House, Gladsmuir, Tranent, East Lothian, EH33 1EH

      IIF 21
  • Simpson, David, Dr
    British non executive director born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • 9, The Quadrant, Clarkston, Glasgow, G76 8AG, Scotland

      IIF 22
  • Dr David Simpson
    British born in November 1926

    Resident in Scotland

    Registered addresses and corresponding companies

    • Elvingston House, Tranent, East Lothian, Scotland, EH33 1EH

      IIF 23

    • 13 Burns Close, Hart, Hartlepool, TS27 3AT, United Kingdom

      IIF 24
child relation
Offspring entities and appointments
Active 8
  • 1
    9 The Quadrant, Clarkston, Glasgow, East Renfrewshire, Scotland
    Dissolved corporate (5 parents)
    Equity (Company account)
    26,884 GBP2017-12-31
    Officer
    2011-10-07 ~ dissolved
    IIF 22 - director → ME
  • 2
    SIMPSON RESEARCH LIMITED - 1991-04-08
    Elvingston House, Tranent, East Lothian
    Dissolved corporate (2 parents)
    Officer
    ~ dissolved
    IIF 2 - director → ME
  • 3
    HELMFIELD LIMITED - 1989-11-13
    Elvingston House, Tranent, East Lothian, Scotland
    Dissolved corporate (3 parents)
    Officer
    1998-04-27 ~ dissolved
    IIF 13 - director → ME
    Person with significant control
    2016-08-01 ~ dissolved
    IIF 23 - Ownership of shares – More than 25% but not more than 50% → OE
  • 4
    Elvingston Science Centre, By Gladsmuir, Tranent, East Lothian
    Dissolved corporate (4 parents)
    Officer
    2009-09-15 ~ dissolved
    IIF 12 - director → ME
  • 5
    6 Elm Grove, Hartlepool, Cleveland
    Dissolved corporate (2 parents)
    Officer
    2005-09-08 ~ dissolved
    IIF 7 - director → ME
  • 6
    Elvingston Science Centre, By Gladsmuir, Tranent, East Lothian
    Dissolved corporate (2 parents)
    Officer
    2009-06-16 ~ dissolved
    IIF 6 - director → ME
  • 7
    SIMPSON ASSOCIATES LTD. - 1991-04-08
    SIMPSON TAYLOR AND COMPANY LIMITED - 1988-07-01
    13 Burns Close Hart, Hartlepool, United Kingdom
    Corporate (3 parents)
    Equity (Company account)
    -5,470 GBP2023-12-31
    Person with significant control
    2016-04-06 ~ now
    IIF 24 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 24 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 8
    6 Elm Grove, Hartlepool
    Dissolved corporate (2 parents)
    Officer
    2004-09-03 ~ dissolved
    IIF 14 - director → ME
Ceased 15
  • 1
    Company Secretariat Site H, Faraday Road, Dorcan, Swindon
    Dissolved corporate (4 parents)
    Officer
    2008-01-16 ~ 2014-07-03
    IIF 16 - director → ME
  • 2
    George Buckman Drive, Camperdown Industrial Estate, Dundee
    Corporate (3 parents)
    Equity (Company account)
    -179,875 GBP2024-03-31
    Officer
    1990-03-16 ~ 1999-05-19
    IIF 8 - director → ME
  • 3
    5 South Charlotte Street, Edinburgh, Scotland
    Corporate (5 parents)
    Total liabilities (Company account)
    18,843 GBP2023-09-30
    Officer
    2004-07-01 ~ 2016-09-05
    IIF 19 - director → ME
  • 4
    EDINBURGH INTERNATIONAL SCIENCE FESTIVAL LIMITED - 2019-01-18
    EDINBURGH SCIENCE FESTIVAL LIMITED - 1993-08-17
    GLENRAK LIMITED - 1987-11-24
    Harbourside House, 110 Commercial Street, Edinburgh
    Corporate (16 parents)
    Officer
    ~ 1993-08-05
    IIF 21 - director → ME
  • 5
    HELMFIELD LIMITED - 1989-11-13
    Elvingston House, Tranent, East Lothian, Scotland
    Dissolved corporate (3 parents)
    Officer
    ~ 1997-12-01
    IIF 9 - director → ME
  • 6
    ENVIRONCOM ENGLAND LIMITED - 2025-04-09
    Bilsthorpe Industrial Estate Brailwood Road, Bilsthorpe, Newark, England
    Corporate (4 parents, 1 offspring)
    Equity (Company account)
    5,089,952 GBP2022-12-31
    Officer
    2003-12-01 ~ 2010-12-19
    IIF 3 - director → ME
  • 7
    DRAMACRUSH LIMITED - 2003-01-29
    49 Burnbrae Road, Linwood, Paisley, Scotland
    Corporate (4 parents, 4 offsprings)
    Officer
    2003-01-27 ~ 2010-12-19
    IIF 4 - director → ME
  • 8
    FIRST GENESIS LIMITED - 2004-12-22
    GENESIS CONSULTING LIMITED - 1995-08-09
    DIRECTIONS CONSULTING LIMITED - 1991-09-23
    PACIFIC SHELF 288 LIMITED - 1990-02-13
    22 Newton Place, Glasgow, Lanarkshire
    Dissolved corporate (6 parents)
    Officer
    1992-04-24 ~ 1997-05-10
    IIF 18 - director → ME
  • 9
    GAC NO. 60 LIMITED - 1997-03-14
    Technology House Magnesium Way, Hapton, Burnley, United Kingdom
    Corporate (4 parents, 2 offsprings)
    Officer
    1997-04-21 ~ 1998-07-31
    IIF 20 - director → ME
  • 10
    OCLARO TECHNOLOGY LIMITED - 2019-06-03
    OCLARO TECHNOLOGY PLC - 2010-06-30
    BOOKHAM TECHNOLOGY PLC - 2009-07-25
    COLESLAW 145 LIMITED - 1988-12-14
    12 New Fetter Lane, London, United Kingdom
    Corporate (5 parents)
    Officer
    1995-03-01 ~ 2004-06-02
    IIF 5 - director → ME
  • 11
    CABLE NETWORKING LIMITED - 2004-06-16
    6 Elm Grove, Hartlepool
    Dissolved corporate (1 parent)
    Current Assets (Company account)
    54,878 GBP2015-06-30
    Officer
    2004-09-01 ~ 2016-03-30
    IIF 15 - director → ME
  • 12
    SIMPSON ASSOCIATES LTD. - 1991-04-08
    SIMPSON TAYLOR AND COMPANY LIMITED - 1988-07-01
    13 Burns Close Hart, Hartlepool, United Kingdom
    Corporate (3 parents)
    Equity (Company account)
    -5,470 GBP2023-12-31
    Officer
    ~ 2017-09-08
    IIF 1 - director → ME
  • 13
    West Road, Haddington, East Lothian
    Corporate (10 parents)
    Officer
    1992-07-15 ~ 1993-06-08
    IIF 11 - director → ME
  • 14
    TOWER GATE CAPITAL PLC - 2017-07-26
    TOWER GATE GROUP PLC - 2017-07-26
    TOWER PLATFORM PLC - 2015-06-03
    TGC VENTURES PLC - 2013-10-11
    TOWER GATE CAPITAL PLC - 2013-05-20
    TOWER GATE CAPITAL LIMITED - 2009-02-25
    TOWER GATE LIMITED - 2005-08-25
    TOWER GATE PLC - 2004-11-25
    FAR BLUE PLC - 2004-02-05
    1 Frederick's Place, London, United Kingdom
    Corporate (2 parents, 7 offsprings)
    Officer
    2000-06-22 ~ 2002-06-01
    IIF 17 - director → ME
  • 15
    PRESTWICK HOLDINGS PUBLIC LIMITED COMPANY - 2007-12-17
    Clive House 12-18 Queens Road, Weybridge, Surrey
    Dissolved corporate (3 parents)
    Officer
    ~ 1994-01-10
    IIF 10 - director → ME

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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.