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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

Maclellan, Andrew Ian

    Related profiles found in government register
  • Maclellan, Andrew Ian
    British born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 35, Nightingale Avenue, Cambridge, Cambridgeshire, CB1 8SG

      IIF 1
  • Maclellan, Andrew Ian
    British company director born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 25, Eccleston Place, London, United Kingdom, SW1W 9NF, United Kingdom

      IIF 2
  • Maclellan, Andrew Ian
    British director born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 35, Nightingale Avenue, Cambridge, CB1 8SG, United Kingdom

      IIF 3
    • Portland, 25 High Street, Crawley, West Sussex, RH10 1BG

      IIF 4 IIF 5
    • C/o Ernst & Young Llp, 1 Bridgewater Place, Water Lane, Leeds, Yorkshire, LS11 5QR

      IIF 6
    • Edison House, Daniel Adamson Road, Salford, Manchester, M50 1DT, United Kingdom

      IIF 7
    • Ener-g House, Daniel Adamson Road, Salford, Manchester, M50 1DT, United Kingdom

      IIF 8
    • Unit 11b Olympic Way, Woolston Grange Avenue, Birchwood, Warrington, Cheshire, WA2 0YL, United Kingdom

      IIF 9 IIF 10
  • Maclellan, Andrew Ian
    British engineer born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Maclellan, Andrew Ian
    British managing director born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 35, Nightingale Avenue, Cambridge, Cambridgeshire, CB1 8SG

      IIF 38
  • Maclellan, Andrew Ian
    British engineer

    Registered addresses and corresponding companies
    • 35, Nightingale Avenue, Cambridge, Cambridgeshire, CB1 8SG

      IIF 39
child relation
Offspring entities and appointments 35
  • 1
    ADAMSON DEL 1 PLC
    - 2016-11-24 04187357 10259441, 10144978, 02961734... (more)
    ENER-G PLC
    - 2016-10-28 04187357 03516925
    ENER-G EFFICIENCY PLC.
    - 2007-03-30 04187357 02700990, 04370886
    STEVTON (NO.203) PLC
    - 2002-03-05 04187357 07703783, 04105828, 06787100... (more)
    C/o Ernst & Young Llp, 1 Bridgewater Place Water Lane, Leeds, Yorkshire
    Dissolved Corporate (7 parents, 2 offsprings)
    Officer
    2001-03-27 ~ dissolved
    IIF 26 - Director → ME
  • 2
    AD ENER-G LIMITED - 2014-04-11 02961734
    NATURAL POWER LIMITED - 2013-01-22 02961734, 03059500
    COMBINED POWER (NORTHWEST) LIMITED - 2005-12-21
    COMBINED POWER (NORTHWEST) LTD. - 2000-03-16
    NORGEN-CPS LIMITED
    - 2000-03-07 02475151
    NORWEB-CPS LIMITED
    - 1997-05-19 02475151
    CONNCO LIMITED - 1990-06-18
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (26 parents)
    Officer
    1997-05-03 ~ 1998-12-01
    IIF 17 - Director → ME
  • 3
    AD ENER-G LIMITED
    - 2016-10-19 02961734 02475151
    LAND FILL GAS LIMITED
    - 2014-04-11 02961734 02475151, 02475151, 04370886... (more)
    NATURAL POWER LIMITED - 2006-03-13 02475151, 03059500
    NORGEN HYDRO POWER LIMITED
    - 2005-11-17 02961734
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (23 parents)
    Officer
    2006-03-29 ~ 2016-10-25
    IIF 30 - Director → ME
    1997-05-22 ~ 1998-12-01
    IIF 16 - Director → ME
  • 4
    ENER-G POWER LIMITED - 2016-10-20 09387454
    SWITCH2 ENERGY SERVICES LIMITED
    - 2011-10-12 05157967 02409803, 02409803
    CMR HOLDINGS LIMITED
    - 2008-02-13 05157967
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (12 parents, 2 offsprings)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2007-10-02 ~ 2009-10-01
    IIF 13 - Director → ME
  • 5
    YLEM ENERGY LIMITED
    - 2016-10-25 10259441 02152229
    SOGRENE LIMITED
    - 2016-08-08 10259441 10231646, 03109022
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2016-07-01 ~ 2016-10-25
    IIF 34 - Director → ME
  • 6
    CONTROL ENERGY LIMITED
    - 2016-10-19 10144978
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (6 parents)
    Equity (Company account)
    1 GBP2021-03-31
    Officer
    2016-04-25 ~ 2016-12-21
    IIF 7 - Director → ME
  • 7
    ADAMSON UDH LIMITED
    10503601
    C/o Ernst & Young Llp 1 Bridgewater Place, Water Lane, Leeds, Yorkshire
    Dissolved Corporate (5 parents)
    Officer
    2016-11-30 ~ dissolved
    IIF 6 - Director → ME
  • 8
    BIOGAS TECHNOLOGY CARBON LIMITED
    06798648
    Oakley House Headway Business Park, 3 Saxon Way West, Corby, Northants, United Kingdom
    Dissolved Corporate (5 parents)
    Officer
    2009-03-23 ~ dissolved
    IIF 11 - Director → ME
  • 9
    BIOGAS TECHNOLOGY LIMITED
    - now 02323287
    REALMSIDE ENVIRONMENTAL LIMITED - 1991-11-21
    REALMSIDE MARINE (ENVIRONMENTAL SERVICES) LIMITED - 1991-05-16
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (19 parents, 3 offsprings)
    Officer
    1992-06-23 ~ 1999-10-22
    IIF 38 - Director → ME
    2007-05-04 ~ 2018-12-31
    IIF 31 - Director → ME
  • 10
    BIOGEN POWER LIMITED
    - now 05547534
    OLMAC ENERGY LIMITED - 2005-12-29
    Edison House, 2 Daniel Adamson Road, Salford, England
    Dissolved Corporate (16 parents)
    Officer
    2008-01-23 ~ dissolved
    IIF 21 - Director → ME
  • 11
    CENTRICA BUSINESS SOLUTIONS (GENERATION) LIMITED - now
    COMBINED POWER (SOUTH) LIMITED - 2018-03-27
    COMBINED POWER (SOUTH) LTD. - 2000-03-16
    COMBINED POWER SYSTEMS (SOUTHERN) LIMITED
    - 2000-03-07 02592745
    PRECIS (1066) LIMITED - 1991-07-17 06111591, 04992355, 02233990... (more)
    Millstream, Maidenhead Road, Windsor, Berkshire, England
    Active Corporate (60 parents)
    Officer
    1997-05-03 ~ 1998-12-01
    IIF 15 - Director → ME
  • 12
    CENTRICA BUSINESS SOLUTIONS UK LIMITED - now
    ENER-G COMBINED POWER LIMITED - 2018-03-27
    COMBINED POWER LIMITED - 2005-01-28
    COMBINED POWER SYSTEMS LIMITED
    - 2000-02-18 01874716
    Millstream, Maidenhead Road, Windsor, Berkshire, England
    Active Corporate (58 parents)
    Officer
    1997-05-03 ~ 1998-12-01
    IIF 14 - Director → ME
  • 13
    CMR CONSULTANTS LIMITED
    03192206
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (17 parents)
    Officer
    2007-10-02 ~ 2018-12-31
    IIF 29 - Director → ME
  • 14
    DONCASTER ENERGY RECOVERY LIMITED
    06636660
    Edison House, 2 Daniel Adamson Road, Salford, England
    Dissolved Corporate (11 parents)
    Officer
    2016-03-31 ~ dissolved
    IIF 22 - Director → ME
  • 15
    ENER-G SERVICES CO LIMITED
    - now 03664148
    THE ENERGY SERVICES COMPANY (G.B.) LIMITED
    - 2008-06-06 03664148
    Ener-g House, Daniel Adamson Road, Salford, Manchester
    Dissolved Corporate (16 parents)
    Officer
    2007-10-02 ~ 2009-10-01
    IIF 18 - Director → ME
  • 16
    ENER.G EFFICIENCY LIMITED
    - now 02700990 04187357, 04370886
    PETBOW CO-GENERATION LIMITED - 2007-04-25
    ENVIRONMENTAL POWER SYSTEMS LIMITED - 1993-02-02
    SPEED 2452 LIMITED - 1992-05-08 03764793, 02766608, 04628585... (more)
    Ener-g House, Daniel Adamson, Road, Salford, Manchester
    Dissolved Corporate (41 parents)
    Officer
    2009-10-01 ~ 2015-06-23
    IIF 8 - Director → ME
  • 17
    ENERGOS LIMITED
    - now 03109022 10259441, 10231646
    CONTRACT HEAT & POWER LIMITED
    - 2007-09-26 03109022
    ESL ENERGY SUPPLIES LIMITED
    - 1996-03-19 03109022
    AWARDFERRY LIMITED - 1995-10-06
    3 Hardman Street, Manchester
    Dissolved Corporate (16 parents)
    Officer
    1996-07-18 ~ dissolved
    IIF 36 - Director → ME
    1995-12-14 ~ 1996-03-21
    IIF 12 - Director → ME
    1995-12-14 ~ 1996-03-21
    IIF 39 - Secretary → ME
  • 18
    ENERGY TEAM (MIDLANDS) LTD - now
    ENER-G PROCUREMENT LIMITED
    - 2015-07-03 02913371
    UTILITY AUDITING LIMITED
    - 2010-03-30 02913371
    Calder House, St Georges Park, Kirkham, Lancashire, United Kingdom
    Active Corporate (18 parents)
    Officer
    2009-10-01 ~ 2015-04-10
    IIF 3 - Director → ME
  • 19
    ESSENTIAL CONTROL LIMITED
    - now 03104919 04370886
    ENER.G CONTROLS LIMITED
    - 2016-10-19 03104919
    SMARTKONTROLS LIMITED - 2004-04-07 04107961, 05015913, 04487502
    SEACHANGE CONTROLS LIMITED - 2001-02-02
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (21 parents)
    Officer
    2009-10-01 ~ 2018-12-31
    IIF 24 - Director → ME
  • 20
    IRVINE ENERGY RECOVERY LIMITED
    - now 06416410
    STEVTON (NO. 402) LIMITED
    - 2007-11-12 06416410 07703783, 04105828, 06787100... (more)
    Third Floor,one London Square, Cross Lanes, Guildford
    Dissolved Corporate (9 parents)
    Officer
    2007-11-09 ~ dissolved
    IIF 35 - Director → ME
  • 21
    KNOWSLEY ENERGY RECOVERY LIMITED
    - now 07058988
    STEVTON (NO.459) LIMITED - 2009-12-10 07703783, 04105828, 06787100... (more)
    Edison House, 2 Daniel Adamson Road, Salford, England
    Active Corporate (13 parents)
    Officer
    2010-04-15 ~ 2022-03-11
    IIF 33 - Director → ME
  • 22
    LISBURN ENERGY RECOVERY LIMITED
    NI071660
    Forsyth House, Cromac Square, Belfast
    Dissolved Corporate (12 parents)
    Officer
    2016-03-31 ~ dissolved
    IIF 37 - Director → ME
  • 23
    NATURAL POWER INTERNATIONAL LIMITED
    09418242
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    2015-02-03 ~ 2017-06-14
    IIF 25 - Director → ME
  • 24
    POWER-ZERO LIMITED - now
    YLEM RENEWABLES LIMITED - 2025-05-08
    YLEM EPC LIMITED
    - 2022-06-17 10940218
    Edison House, Daniel Adamson Road, Salford, United Kingdom
    Active Corporate (13 parents)
    Officer
    2017-08-31 ~ 2018-12-31
    IIF 23 - Director → ME
  • 25
    SWITCH2 UDH LIMITED
    10503543
    Portland, 25 High Street, Crawley, West Sussex
    Dissolved Corporate (6 parents, 2 offsprings)
    Officer
    2016-11-30 ~ dissolved
    IIF 5 - Director → ME
  • 26
    THE ASSOCIATION FOR RENEWABLE ENERGY AND CLEAN TECHNOLOGY - now 12185832
    RENEWABLE ENERGY ASSOCIATION
    - 2019-10-22 04241430 12185832
    THE RENEWABLE POWER ASSOCIATION
    - 2005-11-03 04241430
    York House, 23 Kingsway, London, England
    Active Corporate (48 parents, 3 offsprings)
    Net Assets/Liabilities (Company account)
    375,656 GBP2024-12-31
    Officer
    2001-06-27 ~ 2015-12-27
    IIF 2 - Director → ME
  • 27
    URSA MAJOR MANAGEMENT LTD
    - now FC021797
    ENERGY SYSTEMS LIMITED
    - 1999-11-17 FC021797
    3152, Omc Chambers, Road Town, Tortola, Virgin Islands
    Converted / Closed Corporate (4 parents)
    Officer
    1999-04-24 ~ now
    IIF 20 - Director → ME
  • 28
    VIRIDIS ENERGY (NORGEN) LIMITED - now
    ENER-G NATURAL POWER LIMITED
    - 2006-04-10 03059500 02152229
    NATURAL POWER LIMITED
    - 2005-01-28 03059500 02961734, 02475151
    STEVTON (NO. 80) LIMITED - 1995-07-20
    1030 Centre Park, Slutchers Lane, Warrington
    Active Corporate (28 parents)
    Officer
    1998-02-24 ~ 2006-04-06
    IIF 1 - Director → ME
  • 29
    W2E CONTRACTS (NO. 1) LIMITED
    - now 10106904 10231646
    ENERGOS CONTRACTS LIMITED
    - 2016-08-11 10106904
    Edison House, 2 Daniel Adamson Road, Salford, England
    Dissolved Corporate (2 parents)
    Officer
    2016-04-06 ~ dissolved
    IIF 9 - Director → ME
  • 30
    W2E INVESTMENTS LIMITED
    - now 08548278
    ENERGOS INVESTMENTS LIMITED
    - 2016-08-08 08548278
    STEVTON (NO.553) LIMITED - 2013-06-18 07703783, 04105828, 06787100... (more)
    9th Floor 25 Farringdon Street, London
    Dissolved Corporate (6 parents, 2 offsprings)
    Officer
    2013-07-05 ~ dissolved
    IIF 19 - Director → ME
  • 31
    W2E TECHNOLOGY LIMITED
    - now 10107075
    SOGRENE TECHNOLOGY LIMITED
    - 2016-08-08 10107075
    Field Cottage, Ditchling Road Field Cottage, Ditchling Road, Rh16 4qu, Haywards Heath, West Sussex, England
    Dissolved Corporate (5 parents)
    Officer
    2016-04-06 ~ 2016-11-07
    IIF 10 - Director → ME
  • 32
    WASTE GAS TECHNOLOGY UK LIMITED
    - now 03051278
    BELMEAD LIMITED - 1995-07-26
    Rsm Restructuring Advisory Llp Portland, 25 High Street, Crawley, West Sussex
    Dissolved Corporate (22 parents)
    Officer
    2016-05-20 ~ dissolved
    IIF 27 - Director → ME
  • 33
    YLEM ENERGY LIMITED
    - now 02152229 10259441
    ENER-G NATURAL POWER LIMITED
    - 2016-10-25 02152229 03059500
    NORGEN RENEWABLES LIMITED
    - 2006-04-10 02152229
    NORGEN (CHESTER ROAD) LIMITED
    - 2005-11-17 02152229
    LAND FILL GAS (CHESTER ROAD) LIMITED - 1991-08-21
    RAVENMYSTIC LIMITED - 1987-10-19
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (31 parents)
    Officer
    1997-05-22 ~ 2018-12-31
    IIF 28 - Director → ME
  • 34
    YLEM GROUP LIMITED
    - now 03516925
    YLEM GROUP PLC
    - 2016-11-17 03516925
    ENER-G HOLDINGS PLC
    - 2016-11-17 03516925
    ENER-G PLC
    - 2007-03-30 03516925 04187357
    NATURAL POWER AND ENERGY PLC
    - 1998-12-02 03516925
    Edison House, Daniel Adamson Road, Salford, Manchester, United Kingdom
    Active Corporate (18 parents, 36 offsprings)
    Officer
    1998-02-20 ~ 2018-12-31
    IIF 32 - Director → ME
  • 35
    YLEM UDH LIMITED
    10503474
    Portland, 25 High Street, Crawley, West Sussex
    Dissolved Corporate (6 parents, 1 offspring)
    Officer
    2016-11-30 ~ dissolved
    IIF 4 - Director → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.