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

Mr Derek John Duffill

    Related profiles found in government register
  • Mr Derek John Duffill
    British born in May 1952

    Resident in England

    Registered addresses and corresponding companies
    • 4 Colley Rise, Lyddington, Oakham, Rutland, LE15 9LL, United Kingdom

      IIF 1
  • Duffill, Derek John
    British director born in May 1952

    Resident in England

    Registered addresses and corresponding companies
    • 4 Colley Rise, Lyddington, Oakham, Rutland, LE15 9LL, United Kingdom

      IIF 2
  • Duffill, Derek John
    British advisor born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Dcu Alpha, Old Finglas Road, Glasnevin, Dublin 11, Co. Duiblin, Ireland

      IIF 3
  • Duffill, Derek John
    British company director born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Duffill, Derek John
    British director born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Unit 1, Dodwells Bridge Industrial Estate, Jacknell Road, Hinckley, Leicestershire, LE10 3BS, United Kingdom

      IIF 29 IIF 30
    • First Floor, 26 Mount Row, London, W1K 3SQ, United Kingdom

      IIF 31
    • 4 Colley Rise, Lyddington, Rutland, LE15 9LL

      IIF 32 IIF 33
    • Ener-g House, Daniel Adamson, Road, Salford, Manchester, M50 1DT

      IIF 34 IIF 35 IIF 36
    • Ener-g House, Daniel Adamson Road, Salford, Manchester, M50 1DT, United Kingdom

      IIF 39 IIF 40 IIF 41
    • Ener-g House, Daniel Adamson Road, Salford, Manchester, M50 1DT

      IIF 42 IIF 43 IIF 44
    • Ener-g House, Daniel Adamson Road, Salford, Manchester, M50 1DT, United Kingdom

      IIF 45
  • Duffill, Derek John
    British managing director born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 1
  • 1
    4 Colley Rise, Lyddington, Oakham, Rutland, United Kingdom
    Corporate (2 parents)
    Equity (Company account)
    91,284 GBP2023-11-30
    Officer
    2016-11-17 ~ now
    IIF 2 - director → ME
    Person with significant control
    2016-11-17 ~ now
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
Ceased 45
  • 1
    GROUND SOURCE SOLUTIONS LIMITED - 2021-09-08
    ENER-G GROUND SOURCE SOLUTIONS LIMITED - 2014-12-11
    GROUND SOURCE SOLUTIONS LIMITED - 2008-11-26
    Rsm Restructing Advisory Llp 9th Floor, 25 Farringdon Street, London
    Corporate (2 parents)
    Officer
    2008-04-02 ~ 2013-05-30
    IIF 44 - director → ME
  • 2
    CALLAWAY ENERGY CONSULTING LIMITED - 2013-11-06
    SWITCH2 BILLING TECHNOLOGIES LIMITED - 2012-04-26
    SWITCH2 BILLING LIMITED - 2005-01-19
    Ener-g House Daniel Adamson Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2009-10-01 ~ 2013-05-30
    IIF 39 - director → ME
  • 3
    ADAMSON DEL 1 PLC - 2016-11-24
    ENER-G PLC - 2016-10-28
    ENER-G EFFICIENCY PLC. - 2007-03-30
    STEVTON (NO.203) PLC - 2002-03-05
    C/o Ernst & Young Llp, 1 Bridgewater Place Water Lane, Leeds, Yorkshire
    Dissolved corporate (3 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 14 - director → ME
  • 4
    LAND FILL GAS LIMITED - 2016-10-19
    AD ENER-G LIMITED - 2014-04-11
    NATURAL POWER LIMITED - 2013-01-22
    LAND FILL GAS LIMITED - 2006-03-13
    COMBINED POWER (NORTHWEST) LIMITED - 2005-12-21
    COMBINED POWER (NORTHWEST) LTD. - 2000-03-16
    NORGEN-CPS LIMITED - 2000-03-07
    NORWEB-CPS LIMITED - 1997-05-19
    CONNCO LIMITED - 1990-06-18
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved corporate (2 parents)
    Officer
    2009-10-01 ~ 2013-05-30
    IIF 38 - director → ME
  • 5
    AD ENER-G LIMITED - 2016-10-19
    LAND FILL GAS LIMITED - 2014-04-11
    NATURAL POWER LIMITED - 2006-03-13
    NORGEN HYDRO POWER LIMITED - 2005-11-17
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved corporate (4 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 9 - director → ME
  • 6
    ENER-G POWER LIMITED - 2016-10-20
    SWITCH2 ENERGY SERVICES LIMITED - 2011-10-12
    CMR HOLDINGS LIMITED - 2008-02-13
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2009-10-01 ~ 2013-05-30
    IIF 42 - director → ME
  • 7
    SMARTCONTROLS LIMITED - 2018-01-22
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (2 parents)
    Officer
    2012-05-01 ~ 2013-05-30
    IIF 22 - director → ME
  • 8
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire
    Dissolved corporate (3 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 19 - director → ME
  • 9
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 28 - director → ME
  • 10
    OLMAC ENERGY LIMITED - 2005-12-29
    Edison House, 2 Daniel Adamson Road, Salford, England
    Dissolved corporate (2 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 23 - director → ME
  • 11
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire
    Dissolved corporate (1 parent)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 21 - director → ME
  • 12
    COMBINED POWER (SOUTH) LIMITED - 2018-03-27
    COMBINED POWER (SOUTH) LTD. - 2000-03-16
    COMBINED POWER SYSTEMS (SOUTHERN) LIMITED - 2000-03-07
    PRECIS (1066) LIMITED - 1991-07-17
    Millstream, Maidenhead Road, Windsor, Berkshire, England
    Corporate (6 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 5 - director → ME
  • 13
    ENER-G COMBINED POWER LIMITED - 2018-03-27
    COMBINED POWER LIMITED - 2005-01-28
    COMBINED POWER SYSTEMS LIMITED - 2000-02-18
    Millstream, Maidenhead Road, Windsor, Berkshire, England
    Corporate (6 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 7 - director → ME
  • 14
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (3 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 17 - director → ME
  • 15
    Edison House, 2 Daniel Adamson Road, Salford, England
    Dissolved corporate (2 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 27 - director → ME
  • 16
    NEWHOUSE ENERGY RECOVERY LIMITED - 2009-04-22
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 18 - director → ME
  • 17
    STEVTON (NO.226) LIMITED - 2002-06-13
    Ener-g House, Daniel Adamson, Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2009-12-17 ~ 2013-05-30
    IIF 34 - director → ME
  • 18
    THE ENERGY SERVICES COMPANY (G.B.) LIMITED - 2008-06-06
    Ener-g House, Daniel Adamson Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 16 - director → ME
  • 19
    ENER-G THERMAL TECHNOLOGIES LIMITED - 2010-03-17
    ENER-G HEAT PUMPS LIMITED - 2009-05-12
    STEVTON (NO.440) LIMITED - 2009-04-03
    Ener-g House Daniel Adamson Road, Salford, Manchester
    Dissolved corporate (2 parents)
    Officer
    2009-08-04 ~ 2013-05-30
    IIF 35 - director → ME
  • 20
    STEVTON (NO. 250) LIMITED - 2003-01-02
    Ener-g House, Daniel Adamson Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2009-12-17 ~ 2013-05-30
    IIF 43 - director → ME
  • 21
    PETBOW CO-GENERATION LIMITED - 2007-04-25
    ENVIRONMENTAL POWER SYSTEMS LIMITED - 1993-02-02
    SPEED 2452 LIMITED - 1992-05-08
    Ener-g House, Daniel Adamson, Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 8 - director → ME
  • 22
    CONTRACT HEAT & POWER LIMITED - 2007-09-26
    ESL ENERGY SUPPLIES LIMITED - 1996-03-19
    AWARDFERRY LIMITED - 1995-10-06
    3 Hardman Street, Manchester
    Dissolved corporate (4 parents)
    Officer
    2008-05-01 ~ 2013-01-16
    IIF 20 - director → ME
  • 23
    ENER-G PROCUREMENT LIMITED - 2015-07-03
    UTILITY AUDITING LIMITED - 2010-03-30
    Calder House, St Georges Park, Kirkham, Lancashire, United Kingdom
    Corporate (3 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 12 - director → ME
  • 24
    C/o Frp Advisory Llp 4, Beaconsfield Road, St Albans, Hertfordshire
    Dissolved corporate (3 parents)
    Officer
    2013-08-09 ~ 2014-01-13
    IIF 31 - director → ME
  • 25
    ENER.G CONTROLS LIMITED - 2016-10-19
    SMARTKONTROLS LIMITED - 2004-04-07
    SEACHANGE CONTROLS LIMITED - 2001-02-02
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (5 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 6 - director → ME
  • 26
    Corporate (4 parents)
    Officer
    2017-05-17 ~ 2018-01-26
    IIF 3 - director → ME
  • 27
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 24 - director → ME
  • 28
    STEVTON (NO. 402) LIMITED - 2007-11-12
    Third Floor,one London Square, Cross Lanes, Guildford
    Dissolved corporate (2 parents)
    Officer
    2008-05-01 ~ 2013-01-16
    IIF 15 - director → ME
  • 29
    STEVTON (NO.459) LIMITED - 2009-12-10
    Edison House, 2 Daniel Adamson Road, Salford, England
    Corporate (3 parents)
    Officer
    2009-12-08 ~ 2013-01-16
    IIF 45 - director → ME
  • 30
    ESSENTIAL CONTROL LIMITED - 2016-10-19
    YLEM POWER LIMITED - 2016-10-14
    ENERGY EFFICIENCY LIMITED - 2016-08-08
    STEVTON (NO.225) LIMITED - 2002-06-05
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (2 parents)
    Officer
    2009-12-17 ~ 2013-05-30
    IIF 37 - director → ME
  • 31
    LITECORP LIMITED - 2015-01-09
    FUTURE ENERGY LIGHTING TECHNOLOGIES LIMITED - 2014-08-19
    30-32 Gildredge Road, Eastbourne, East Sussex
    Dissolved corporate (1 parent)
    Total Assets Less Current Liabilities (Company account)
    84,959 GBP2016-03-31
    Officer
    2014-03-07 ~ 2014-06-05
    IIF 29 - director → ME
  • 32
    Forsyth House, Cromac Square, Belfast
    Dissolved corporate (1 parent)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 26 - director → ME
  • 33
    11b Olympic Way, Woolston Grange Avenue Birchwood, Warrington, Cheshire
    Dissolved corporate (3 parents)
    Officer
    2011-12-08 ~ 2013-01-16
    IIF 25 - director → ME
  • 34
    Unit 1 Dodwells Bridge Industrial Estate, Jacknell Road, Hinckley, Leicestershire
    Corporate (5 parents)
    Officer
    2014-03-06 ~ 2014-06-20
    IIF 30 - director → ME
  • 35
    TAC SYSTEMS LIMITED - 2009-10-17
    TOUR ANDOVER CONTROLS SYSTEMS LIMITED - 2006-02-06
    TAC (SYSTEMS) LIMITED - 2005-03-31
    Schneider Electric, Stafford Park 5, Telford, England
    Dissolved corporate (4 parents)
    Officer
    2002-10-01 ~ 2008-01-18
    IIF 46 - director → ME
  • 36
    TAC UK LIMITED - 2009-10-17
    TOUR ANDOVER CONTROLS LIMITED - 2006-01-17
    ANDOVER CONTROLS LIMITED - 2005-03-31
    ANDOVER CONTROLS (EUROPE) LIMITED - 1996-08-27
    Schneider Electric, Stafford Park 5, Telford, England
    Corporate (4 parents, 1 offspring)
    Officer
    2004-09-20 ~ 2008-01-18
    IIF 47 - director → ME
  • 37
    Portland House, Bressenden Place, London
    Corporate (4 parents)
    Officer
    ~ 1994-01-31
    IIF 32 - director → ME
  • 38
    ENER-G SWITCH2 LIMITED - 2015-10-13
    SWITCH2 ENERGY SOLUTIONS LIMITED - 2010-05-28
    VITERRA ENERGY SERVICES LIMITED - 2004-02-11
    RAAB KARCHER ENERGY SERVICES LIMITED - 1999-09-20
    ISS CLORIUS LIMITED - 1994-12-13
    ISS CLORIUS METERING LIMITED - 1993-01-01
    NISPUN LIMITED - 1990-01-17
    The Waterfront, Salts Mill Road, Shipley, West Yorkshire, United Kingdom
    Corporate (9 parents)
    Equity (Company account)
    9,556,558 GBP2024-03-31
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 36 - director → ME
  • 39
    ENER-G RESIDENTIAL LIMITED - 2016-10-26
    SWITCH2 METERING LIMITED - 2012-04-23
    The Waterfront, Salts Mill Road, Shipley, West Yorkshire, United Kingdom
    Corporate (4 parents)
    Equity (Company account)
    1 GBP2023-03-31
    Officer
    2009-10-01 ~ 2013-05-30
    IIF 40 - director → ME
  • 40
    CSI EUROPE LIMITED - 2001-01-03
    GUIDEASPECT LIMITED - 1998-09-14
    Schneider Electric, Stafford Park 5, Telford, England
    Dissolved corporate (4 parents)
    Officer
    2002-04-30 ~ 2008-01-18
    IIF 33 - director → ME
  • 41
    ENERGY SYSTEMS LIMITED - 1999-11-17
    3152, Omc Chambers, Road Town, Tortola, Virgin Islands
    Corporate (3 parents)
    Officer
    2012-10-01 ~ 2013-05-31
    IIF 13 - director → ME
  • 42
    SWITCH2 RENEWABLES LIMITED - 2013-06-10
    Ener-g House Daniel Adamson Road, Salford, Manchester
    Dissolved corporate (1 parent)
    Officer
    2009-10-01 ~ 2013-05-30
    IIF 41 - director → ME
  • 43
    BELMEAD LIMITED - 1995-07-26
    Rsm Restructuring Advisory Llp Portland, 25 High Street, Crawley, West Sussex
    Dissolved corporate (2 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 4 - director → ME
  • 44
    ENER-G NATURAL POWER LIMITED - 2016-10-25
    NORGEN RENEWABLES LIMITED - 2006-04-10
    NORGEN (CHESTER ROAD) LIMITED - 2005-11-17
    LAND FILL GAS (CHESTER ROAD) LIMITED - 1991-08-21
    RAVENMYSTIC LIMITED - 1987-10-19
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (9 parents)
    Officer
    2008-05-01 ~ 2013-05-30
    IIF 11 - director → ME
  • 45
    YLEM GROUP PLC - 2016-11-17
    ENER-G HOLDINGS PLC - 2016-11-17
    ENER-G PLC - 2007-03-30
    NATURAL POWER AND ENERGY PLC - 1998-12-02
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Corporate (6 parents, 26 offsprings)
    Officer
    2008-05-01 ~ 2013-05-30
    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.