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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

Sigsworth, David, Prof.

    Related profiles found in government register
  • Sigsworth, David, Prof.
    British born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Suite 2, Ground Floor, Orchard Brae House, 30 Queensferry Road, Edinburgh, EH4 2HS, Scotland

      IIF 1

    • Kinburn Castle, Doubledykes Road, St Andrews, Fife, KY16 9DR

      IIF 2

    • 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, England

      IIF 3

    • 9 Station Road, South Queensferry, West Lothian, EH30 9HY

      IIF 4 IIF 5 IIF 6 (more)(less)
      IIF 7
  • Sigsworth, David, Prof.
    British commercial director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 9 Station Road, South Queensferry, West Lothian, EH30 9HY

      IIF 8
  • Sigsworth, David, Prof.
    British company director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Unit 1a, Burnfoot Industrial Estate, Hawick, TD9 8SL, United Kingdom

      IIF 9
  • Sigsworth, David, Prof.
    British consultant born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Sigsworth, David, Prof.
    British director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 5th, Floor Quartermile Two, 2 Lister Square, Edinburgh, EH3 9GL

      IIF 15

    • Floor 3, 1 St. Ann Street, Manchester, England, M2 7LR

      IIF 16

    • 9 Station Road, South Queensferry, West Lothian, EH30 9HY

      IIF 17 IIF 18

    • 48, Enterprise House, Springkerse Business Park, Stirling, FK7 7UF, Scotland

      IIF 19
  • Sigsworth, David, Prof.
    British energy trading director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 9 Station Road, South Queensferry, West Lothian, EH30 9HY

      IIF 20
  • Sigsworth, David, Prof.
    British generation director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Sigsworth, David, Prof.
    British manager born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Sigsworth, David, Prof.
    British non executive director and chairman born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 9 Station Road, South Queensferry, West Lothian, EH30 9HY

      IIF 47 IIF 48
  • Sigsworth, David, Prof.
    British senior independent non-executive director born in July 1946

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Floor 3, 1, St. Ann Street, Manchester, M2 7LR, England

      IIF 49
child relation
Offspring entities and appointments 45
  • 1
    ACM CATALYST LIMITED
    - now SC243709
    ACTIVE CORPORATE MANAGEMENT LIMITED
    - 2005-12-12 SC243709
    NEWCO (753) LIMITED - 2003-05-27
    Redmarley : Kippen : Stirlingshire, Redmarley, Kippen : Fk8 3hs, Stirlingshire, Scotland
    Dissolved Corporate (8 parents)
    Officer
    2005-07-04 ~ 2006-05-31
    IIF 13 - Director → ME
  • 2
    BELLROCK TECHNOLOGY LIMITED
    - now SC426874 SC390564
    LISTER SQUARE (NO. 102) LIMITED - 2012-07-20
    Level 5, 9 Haymarket Square, Edinburgh, Scotland
    Active Corporate (11 parents)
    Officer
    2015-11-20 ~ 2020-02-29
    IIF 15 - Director → ME
  • 3
    CENTRAL MARKET AGENCY LIMITED
    SC328635
    48 Enterprise House, Springkerse Business Park, Stirling, Scotland
    Active Corporate (28 parents)
    Officer
    2017-08-01 ~ 2025-03-31
    IIF 19 - Director → ME
  • 4
    CORONA ENERGY RETAIL 2 LIMITED - now
    AURORA ENERGY RETAIL 2 LIMITED - 2003-10-03
    VECTOR GAS LIMITED
    - 2003-09-23 SC138299
    HYDRO-ELECTRIC GAS LIMITED - 1993-07-13
    DUNWILCO (316) LIMITED - 1993-02-25
    50 Lothian Road, Festival Square, Edinburgh
    Active Corporate (42 parents)
    Officer
    1993-08-13 ~ 1997-05-23
    IIF 40 - Director → ME
  • 5
    DUNDEE SCIENCE CENTRE
    SC181709 SC186239... (more)
    Dundee Science Centre, Greenmarket, Dundee, Scotland
    Active Corporate (77 parents, 1 offspring)
    Officer
    2004-08-24 ~ 2019-03-31
    IIF 48 - Director → ME
  • 6
    DUNDEE SCIENCE CENTRE ENTERPRISES LIMITED
    - now SC186239 SC181709
    SENSATION LIMITED
    - 2012-12-31 SC186239 16212640... (more)
    DUNDEE SCIENCE CENTRE (TRADING) LIMITED - 2000-03-09
    COMLAW NO. 476 LIMITED - 1998-11-04
    Dundee Science Centre, Greenmarket, Dundee, Scotland
    Active Corporate (41 parents)
    Officer
    2000-09-12 ~ 2019-03-31
    IIF 47 - Director → ME
  • 7
    ELECTRICITY ASSOCIATION SERVICES LIMITED
    - now 02366837
    Insolvency (Case 1) Members voluntary liquidation
    Commencement of winding up on 2016-03-29
    Dissolved on 2016-12-27
    ELECTRICITY INDUSTRY SERVICES LIMITED - 1989-10-30
    Central Square, 29 Wellington Street, Leeds, West Yorkshire
    Dissolved Corporate (79 parents)
    Officer
    2002-10-17 ~ 2005-03-31
    IIF 8 - Director → ME
  • 8
    ENERGY ACTION SCOTLAND
    SC101660
    C/o Wylie & Bisset Llp, 168 Bath Street, Glasgow, Scotland
    Active Corporate (94 parents)
    Officer
    2005-11-09 ~ 2011-11-03
    IIF 11 - Director → ME
  • 9
    EXERGY3 LIMITED
    SC641651
    Suite 2, Ground Floor, Orchard Brae House, 30 Queensferry Road, Edinburgh, Scotland
    Active Corporate (9 parents)
    Officer
    2023-08-31 ~ now
    IIF 1 - Director → ME
  • 10
    FLEXITRICITY LIMITED
    - now SC263298
    MARTIN ENERGY LIMITED
    - 2008-04-28 SC263298
    13 Queens Road, Aberdeen, Scotland
    Active Corporate (33 parents)
    Officer
    2006-10-24 ~ 2014-04-07
    IIF 14 - Director → ME
  • 11
    HAI CLEAN LIMITED - now
    OXY-GEN COMBUSTION LIMITED
    - 2022-02-28 SC291138
    CASTLELAW (NO.610) LIMITED - 2005-11-15
    Strathleven House, Levenside Road, Dumbarton, Scotland
    Active Corporate (10 parents)
    Officer
    2012-01-19 ~ 2014-03-25
    IIF 10 - Director → ME
  • 12
    HEAT CUSTOMER PROTECTION LTD
    09456667
    C/o Ade, 10 Dean Farrar Street, 6th Floor, London, England
    Active Corporate (19 parents)
    Officer
    2015-10-01 ~ now
    IIF 3 - Director → ME
  • 13
    KEADBY CONSTRUCTION LIMITED
    - now 02722985
    SCROLLTRADE LIMITED
    - 1992-10-05 02722985
    Keadby Power Station, P O Box 89 Keadby, Scunthorpe, North Lincolnshire
    Dissolved Corporate (25 parents)
    Officer
    1994-11-17 ~ 2005-03-31
    IIF 26 - Director → ME
    1992-10-02 ~ 1993-02-19
    IIF 41 - Director → ME
  • 14
    KEADBY DEVELOPMENTS LIMITED
    - now 02691516
    RUBYDOVE LIMITED - 1992-03-26
    Sse Plc , Keadby Power Station Trentside, Keadby, Scunthorpe, United Kingdom
    Active Corporate (43 parents)
    Officer
    1994-11-17 ~ 2005-03-31
    IIF 37 - Director → ME
    1992-04-08 ~ 1993-02-19
    IIF 45 - Director → ME
  • 15
    KEADBY GENERATION LIMITED
    - now 02729513
    BALLTRADE LIMITED
    - 1992-10-05 02729513
    Keadby Power Station Trentside, Keadby, Scunthorpe, United Kingdom
    Active Corporate (43 parents)
    Officer
    1992-10-02 ~ 1993-02-19
    IIF 46 - Director → ME
    1994-11-07 ~ 2005-03-31
    IIF 32 - Director → ME
  • 16
    KEADBY POWER LIMITED
    - now 02548042
    POPPYGROVE LIMITED
    - 1991-08-19 02548042
    Keadby Power Station, P O Box 89 Keadby, Scunthorpe, North Lincolnshire
    Dissolved Corporate (21 parents)
    Officer
    1994-11-17 ~ 2005-03-31
    IIF 34 - Director → ME
    (before 1992-10-12) ~ 1993-02-19
    IIF 44 - Director → ME
  • 17
    KIRKLANDS CONSULTING LIMITED
    SC295206
    Exchange Place 3, Semple Street, Edinburgh
    Dissolved Corporate (3 parents)
    Officer
    2006-01-10 ~ dissolved
    IIF 6 - Director → ME
  • 18
    LIVINGSTONE ENERGY LIMITED
    - now 06072872 05490910
    LIVINGSTONE ENERGY PUBLIC LIMITED COMPANY
    - 2008-08-12 06072872
    LIVINGSTONE ENERGY PLC.
    - 2008-08-12 06072872 05490910
    LIVINGSTONE ENERGY PLC. LIMITED
    - 2008-08-12 06072872 05490910
    KNIGHTPEARL PUBLIC LIMITED COMPANY
    - 2007-06-14 06072872
    58 Southdean Gardens, Wimbledon Park, London
    Active Corporate (6 parents)
    Officer
    2007-04-11 ~ 2008-11-17
    IIF 4 - Director → ME
  • 19
    MEDWAY POWER LIMITED
    - now 02537903
    AES MEDWAY LIMITED - 1992-02-28
    SERVICERULE LIMITED - 1991-03-12
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (67 parents)
    Officer
    1999-11-12 ~ 2005-03-31
    IIF 20 - Director → ME
  • 20
    NEOS NETWORKS LIMITED - now
    SSE TELECOMMUNICATIONS LIMITED
    - 2021-03-30 SC213457
    DUNWILCO (844) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Active Corporate (51 parents, 4 offsprings)
    Officer
    2001-03-19 ~ 2001-09-28
    IIF 42 - Director → ME
  • 21
    OVO (S) ELECTRICITY LIMITED - now
    SSE ELECTRICITY LIMITED - 2020-01-16
    SOUTH WALES ELECTRICITY LIMITED
    - 2018-02-16 04094263
    DUNWILCO (829) LIMITED
    - 2001-07-27 04094263 04094290... (more)
    Floor 5, Crescent, Temple Back, Redcliffe, United Kingdom
    Active Corporate (23 parents)
    Officer
    2001-03-26 ~ 2005-03-31
    IIF 30 - Director → ME
  • 22
    OVO SOLAR AND HEATING LTD - now
    OVO (S) GAS LIMITED - 2026-02-17
    SOUTHERN ELECTRIC GAS LIMITED
    - 2020-01-16 02716495
    SOUTHERN AND PHILLIPS GAS LIMITED - 1996-11-01
    JOINTEXCESS LIMITED - 1992-08-17
    Floor 5, Crescent, Temple Back, Redcliffe, United Kingdom
    Active Corporate (38 parents)
    Officer
    2001-06-26 ~ 2005-03-31
    IIF 7 - Director → ME
  • 23
    RED ROCK RENEWABLES LIMITED - now
    RED ROCK POWER LIMITED - 2024-07-19
    WIND FARM ENERGY UK LIMITED - 2016-08-30
    REPSOL NUEVAS ENERGIAS UK LIMITED - 2016-03-11
    SEAENERGY RENEWABLES LIMITED
    - 2011-07-21 SC284836 SC373172... (more)
    SEAENERGY RESOURCES LIMITED - 2007-11-19
    LEDGE 868 LIMITED - 2005-06-08
    30 Semple Street, 4th Floor, Edinburgh, Scotland
    Active Corporate (38 parents, 8 offsprings)
    Officer
    2008-10-01 ~ 2011-06-28
    IIF 18 - Director → ME
  • 24
    RENEWABLE TECHNOLOGY VENTURES LIMITED
    - now SC243331
    DUNWILCO (1039) LIMITED
    - 2003-06-09 SC243331 07094835... (more)
    Elder House, 24 Elder Street, Edinburgh, Scotland
    Dissolved Corporate (23 parents)
    Officer
    2003-06-03 ~ 2007-09-27
    IIF 29 - Director → ME
  • 25
    SEABANK POWER LIMITED
    - now 02591188
    GIGABIT SERVICES LIMITED - 1991-07-26
    Severn Road, Hallen, Bristol
    Active Corporate (70 parents)
    Officer
    1996-01-19 ~ 2005-03-31
    IIF 43 - Director → ME
  • 26
    SEAENERGY PLC
    - now SC062845 SC353541
    Insolvency (Case 2) In administration
    Administration started on 2016-06-02 during the appointment or period of control
    Administration ended on 2018-05-31 during the appointment or period of control
    RAMCO ENERGY PLC
    - 2009-09-24 SC062845 SC130698
    RAMCO OIL SERVICES PLC - 1994-07-01
    Kpmg Llp, 37 Albyn Place, Aberdeen, Aberdeenshire
    Dissolved Corporate (29 parents)
    Officer
    2009-09-24 ~ dissolved
    IIF 12 - Director → ME
  • 27
    SIGMA CAPITAL GROUP LIMITED - now
    SIGMA CAPITAL GROUP PLC
    - 2021-10-06 03942129 05679032
    SIGMA TECHNOLOGY GROUP PLC - 2006-06-12
    Floor 3, 1 St. Ann Street, Manchester, England
    Active Corporate (26 parents, 8 offsprings)
    Officer
    2007-06-19 ~ 2021-08-31
    IIF 49 - Director → ME
  • 28
    SIMPLE2 LIMITED
    - now 03976920
    QUAYSHELFCO 765 LIMITED - 2000-05-18
    55 Vastern Road, Reading, Berkshire
    Dissolved Corporate (11 parents)
    Officer
    2000-08-09 ~ 2005-03-31
    IIF 31 - Director → ME
  • 29
    SOLAR CENTURY HOLDINGS LIMITED
    - now 03570325
    SOLAR CENTURY (HOLDINGS) LIMITED - 1999-03-10
    THOROUGHREALM LIMITED - 1998-07-31
    19th Floor 22 Bishopsgate, London, England
    Active Corporate (55 parents, 4 offsprings)
    Officer
    2005-01-17 ~ 2007-10-10
    IIF 17 - Director → ME
  • 30
    SSE ENERGY LIMITED
    - now 02487475
    HYDRO-ELECTRIC ENERGY LIMITED
    - 1999-12-24 02487475
    LEGIBUS 1532 LIMITED
    - 1991-02-13 02487475 02243050... (more)
    55 Vastern Road, Reading, Berkshire
    Dissolved Corporate (12 parents)
    Officer
    (before 1992-03-30) ~ 2005-03-31
    IIF 25 - Director → ME
  • 31
    SSE ENERGY SUPPLY LIMITED
    - now 03757502
    BRITISH ENERGY RETAIL MARKETS LIMITED - 2000-08-25
    APRILBRIDGE LIMITED - 1999-05-27
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (29 parents, 6 offsprings)
    Officer
    2001-06-26 ~ 2005-03-31
    IIF 27 - Director → ME
  • 32
    SSE FREIGHT LIMITED
    - now 05146257
    DUNWILCO (1157) LIMITED
    - 2004-09-06 05146257 05887571... (more)
    55 Vastern Road, Reading, Berkshire
    Dissolved Corporate (8 parents)
    Officer
    2004-09-03 ~ 2005-03-31
    IIF 24 - Director → ME
  • 33
    SSE GENERATION LIMITED
    - now 02310571
    SSE POWER GENERATION LIMITED
    - 2001-08-30 02310571
    SOUTHERN ELECTRIC POWER GENERATION LIMITED
    - 1999-12-24 02310571
    RIVALFORGE LIMITED - 1988-12-29
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (48 parents, 26 offsprings)
    Officer
    1999-10-08 ~ 2005-03-31
    IIF 38 - Director → ME
  • 34
    SSE MEDWAY OPERATIONS LIMITED
    - now 02647585
    AES MEDWAY OPERATIONS LIMITED - 2003-11-13
    SWANFALL LIMITED - 1992-02-21
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (42 parents)
    Officer
    2003-11-25 ~ 2005-03-31
    IIF 36 - Director → ME
  • 35
    SSE PLC - now
    SCOTTISH AND SOUTHERN ENERGY PLC
    - 2011-09-30 SC117119
    SCOTTISH HYDRO-ELECTRIC PLC
    - 1998-12-14 SC117119 SC288231
    NORTH OF SCOTLAND ELECTRICITY PLC - 1989-08-01
    Inveralmond House, 200 Dunkeld Road, Perth, Perthshire
    Active Corporate (59 parents, 36 offsprings)
    Officer
    1995-01-19 ~ 2005-03-31
    IIF 23 - Director → ME
  • 36
    SSE POWER LIMITED
    - now 02372114
    HYDRO-ELECTRIC POWER LIMITED
    - 1999-12-24 02372114
    NORWEB POWER LTD
    - 1997-04-11 02372114
    55 Vastern Road, Reading, Berkshire
    Dissolved Corporate (21 parents)
    Officer
    1997-03-27 ~ 2005-03-31
    IIF 22 - Director → ME
  • 37
    SSE RETAIL LIMITED
    - now SC213458
    DUNWILCO (845) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Active Corporate (18 parents)
    Officer
    2001-03-19 ~ 2001-09-28
    IIF 39 - Director → ME
  • 38
    SSE SEABANK INVESTMENTS LIMITED
    - now 02631512 07877772
    HE SEABANK INVESTMENTS LIMITED
    - 1999-12-24 02631512
    HYDRO-ELECTRIC SUPPLY LIMITED
    - 1996-01-17 02631512
    HYDRO-ELECTRIC GENERATION LIMITED
    - 1992-03-20 02631512
    LEGIBUS 1643 LIMITED
    - 1991-09-02 02631512 02631524... (more)
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (37 parents, 1 offspring)
    Officer
    (before 1992-07-22) ~ 2005-03-31
    IIF 28 - Director → ME
  • 39
    SSEPG (OPERATIONS) LIMITED
    - now 02764438
    SEPG (OPERATIONS) LIMITED
    - 1999-12-24 02764438
    TIDYEVER ENTERPRISES LIMITED - 1992-12-15
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Active Corporate (36 parents)
    Officer
    1999-10-08 ~ 2005-03-31
    IIF 35 - Director → ME
  • 40
    ST ANDREWS FUEL CELLS LIMITED
    SC279417
    Kinburn Castle, Doubledykes Road, St Andrews, Fife
    Dissolved Corporate (11 parents)
    Officer
    2007-04-18 ~ 2010-06-22
    IIF 2 - Director → ME
  • 41
    SUSTAINABILITY FIRST
    03897720
    85 Great Portland Street Sustainability First, 85 Great Portland Street, First Floor, London, United Kingdom
    Active Corporate (26 parents)
    Officer
    2003-03-04 ~ 2025-04-08
    IIF 21 - Director → ME
  • 42
    SWALEC GAS LIMITED
    - now 02624695
    SOUTH WALES ENERGY LIMITED - 1993-08-03
    CELTIC FLAME LIMITED - 1992-05-27
    SOUTH WALES ELECTRICITY CONTRACTING (GWAITH CONTRACT DE CYMRU) LIMITED - 1992-03-24
    PRECIS (1099) LIMITED - 1992-01-08
    55 Vastern Road, Reading, Berkshire
    Dissolved Corporate (24 parents)
    Officer
    2001-06-26 ~ 2005-03-31
    IIF 33 - Director → ME
  • 43
    THE ASSOCIATION FOR DECENTRALISED ENERGY - now
    COMBINED HEAT AND POWER ASSOCIATION
    - 2017-01-31 00917116 09342307
    DISTRICT HEATING ASSOCIATION - 1983-11-07
    Heron House 10 Dean Farrar Street, 6th Floor, London
    Active Corporate (116 parents)
    Officer
    1992-06-29 ~ 2004-11-18
    IIF 5 - Director → ME
  • 44
    THE SIGMA FOUNDATION
    11324466
    Floor 3 1 St. Ann Street, Manchester, England
    Dissolved Corporate (6 parents)
    Officer
    2018-04-23 ~ 2021-08-31
    IIF 16 - Director → ME
  • 45
    TURNBULL & SCOTT (ENGINEERS) LIMITED
    SC334633
    Unit 1a, Burnfoot Industrial Estate, Hawick, United Kingdom
    Active Corporate (14 parents, 3 offsprings)
    Officer
    2017-01-18 ~ 2019-02-20
    IIF 9 - Director → ME

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