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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

Mellor, David Roy

    Related profiles found in government register
  • Mellor, David Roy
    British director born in August 1945

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mellor, David Roy
    British engineer born in August 1945

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 11
  • 1
    GROUND SOURCE SOLUTIONS LIMITED - 2021-09-08
    GROUND SOURCE SOLUTIONS LIMITED - 2008-11-26
    ENER-G GROUND SOURCE SOLUTIONS LIMITED - 2014-12-11
    icon of address Rsm Restructing Advisory Llp 9th Floor, 25 Farringdon Street, London
    Liquidation Corporate (2 parents)
    Officer
    icon of calendar 2008-04-02 ~ 2009-12-17
    IIF 5 - Director → ME
  • 2
    COMBINED POWER (NORTHWEST) LIMITED - 2005-12-21
    AD ENER-G LIMITED - 2014-04-11
    NORGEN-CPS LIMITED - 2000-03-07
    NORWEB-CPS LIMITED - 1997-05-19
    LAND FILL GAS LIMITED - 2006-03-13
    LAND FILL GAS LIMITED - 2016-10-19
    NATURAL POWER LIMITED - 2013-01-22
    CONNCO LIMITED - 1990-06-18
    COMBINED POWER (NORTHWEST) LTD. - 2000-03-16
    icon of address Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 1997-05-03 ~ 2005-12-12
    IIF 10 - Director → ME
  • 3
    AD ENER-G LIMITED - 2016-10-19
    NORGEN HYDRO POWER LIMITED - 2005-11-17
    NATURAL POWER LIMITED - 2006-03-13
    LAND FILL GAS LIMITED - 2014-04-11
    icon of address Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1998-12-01 ~ 2008-01-25
    IIF 6 - Director → ME
  • 4
    COMBINED POWER (SOUTH) LTD. - 2000-03-16
    PRECIS (1066) LIMITED - 1991-07-17
    COMBINED POWER (SOUTH) LIMITED - 2018-03-27
    COMBINED POWER SYSTEMS (SOUTHERN) LIMITED - 2000-03-07
    icon of address Millstream, Maidenhead Road, Windsor, Berkshire, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 1997-05-03 ~ 2009-12-17
    IIF 7 - Director → ME
  • 5
    COMBINED POWER SYSTEMS LIMITED - 2000-02-18
    ENER-G COMBINED POWER LIMITED - 2018-03-27
    COMBINED POWER LIMITED - 2005-01-28
    icon of address Millstream, Maidenhead Road, Windsor, Berkshire, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 1997-05-03 ~ 2009-12-17
    IIF 11 - Director → ME
  • 6
    STEVTON (NO.226) LIMITED - 2002-06-13
    icon of address Ener-g House, Daniel Adamson, Road, Salford, Manchester
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2002-05-30 ~ 2009-12-17
    IIF 2 - Director → ME
  • 7
    STEVTON (NO.440) LIMITED - 2009-04-03
    ENER-G THERMAL TECHNOLOGIES LIMITED - 2010-03-17
    ENER-G HEAT PUMPS LIMITED - 2009-05-12
    icon of address Ener-g House Daniel Adamson Road, Salford, Manchester
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2009-08-04 ~ 2009-12-17
    IIF 4 - Director → ME
  • 8
    STEVTON (NO. 250) LIMITED - 2003-01-02
    icon of address Ener-g House, Daniel Adamson Road, Salford, Manchester
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2002-12-23 ~ 2009-12-17
    IIF 3 - Director → ME
  • 9
    SPEED 2452 LIMITED - 1992-05-08
    ENVIRONMENTAL POWER SYSTEMS LIMITED - 1993-02-02
    PETBOW CO-GENERATION LIMITED - 2007-04-25
    icon of address Ener-g House, Daniel Adamson, Road, Salford, Manchester
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2005-04-01 ~ 2009-12-17
    IIF 8 - Director → ME
  • 10
    SEACHANGE CONTROLS LIMITED - 2001-02-02
    ENER.G CONTROLS LIMITED - 2016-10-19
    SMARTKONTROLS LIMITED - 2004-04-07
    icon of address Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (5 parents)
    Officer
    icon of calendar 2006-03-17 ~ 2009-09-15
    IIF 9 - Director → ME
  • 11
    ENERGY EFFICIENCY LIMITED - 2016-08-08
    YLEM POWER LIMITED - 2016-10-14
    STEVTON (NO.225) LIMITED - 2002-06-05
    ESSENTIAL CONTROL LIMITED - 2016-10-19
    icon of address Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (2 parents)
    Officer
    icon of calendar 2002-05-30 ~ 2009-12-17
    IIF 1 - Director → ME

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