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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

Mays, Ian David, Dr

    Related profiles found in government register
  • Mays, Ian David, Dr
    British chief executive born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Shires, Chapel Croft, Chipperfield, Hertfordshire, WD4 9DR

      IIF 1
  • Mays, Ian David, Dr
    British chief executive officer born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Beaufort Court, Egg Farm Lane Station Road, Kings Langley, Hertfordshire, WD4 8LR

      IIF 2
    • Beaufort Court, Egg Farm Lane, Kings Langley, Hertfordshire, WD4 8LR

      IIF 3 IIF 4 IIF 5
    • Beaufort Court, Egg Farm Lane Off Station Road, Kings Langley, Hertfordshire, WD4 8LR

      IIF 6
  • Mays, Ian David, Dr
    British company director born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Shires, Chapel Croft, Chipperfield, Hertfordshire, WD4 9DR

      IIF 7
  • Mays, Ian David, Dr
    British emgineer born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Shires, Chapel Croft, Chipperfield, Hertfordshire, WD4 9DR

      IIF 8
  • Mays, Ian David, Dr
    British engineer born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mays, Ian David, Dr
    British managing director born in August 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Shires, Chapel Croft, Chipperfield, Hertfordshire, WD4 9DR

      IIF 26
  • Mays, Ian David, Dr
    British born in August 1953

    Resident in England

    Registered addresses and corresponding companies
    • Ten Oaks, Flaunden Lane, Bovingdon, Hemel Hempstead, HP3 0PA, England

      IIF 27
  • Mays, Ian David, Dr
    British born in August 1953

    Registered addresses and corresponding companies
    • 8 Kings Close, Chipperfield, Kings Langley, Hertfordshire, WD4 9ES

      IIF 28
  • Mays, Ian David, Dr
    British engineer born in August 1953

    Registered addresses and corresponding companies
  • Mays, Ian David, Dr
    British managing director born in August 1953

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 39
  • 1
    CEFN CROES WINDFARM LIMITED
    - now 03493425
    NEATSIGN LIMITED
    - 1998-01-23 03493425
    8 Princes Parade, Liverpool, Merseyside
    Dissolved Corporate (26 parents)
    Officer
    1998-01-20 ~ 2004-01-22
    IIF 37 - Director → ME
  • 2
    CORSTON WINDFARM LIMITED
    - now 03493421
    CLEARAIM LIMITED - 1998-01-23
    8 Princes Parade, Liverpool, Merseyside
    Dissolved Corporate (26 parents)
    Officer
    1998-04-20 ~ 2004-01-22
    IIF 38 - Director → ME
  • 3
    DYFFRYN BRODYN LIMITED
    - now 02917526
    THE NEW WORLD POWER COMPANY (DYFFRYN BRODYN) LIMITED
    - 1997-03-03 02917526
    6th Floor 33 Holborn, London, United Kingdom
    Active Corporate (39 parents)
    Officer
    1997-02-10 ~ 2003-10-31
    IIF 34 - Director → ME
  • 4
    EARTHENERGY LIMITED
    - now 03163262
    AVEDALE PROPERTIES LIMITED - 1996-03-27
    Balliol House, Southernhay Gardens, Exeter, Devon, United Kingdom
    Dissolved Corporate (12 parents)
    Officer
    2007-03-26 ~ 2008-10-09
    IIF 20 - Director → ME
  • 5
    EASTERN WIND FARMS LIMITED
    - now 02798170
    YORKSHIRE WIND GENERATORS LIMITED
    - 1997-03-24 02798170
    YELECO 17 LIMITED - 1993-10-27
    Beaufort Court, Egg Farm Lane Off Station Road, Kings Langley, Hertfordshire
    Dissolved Corporate (19 parents)
    Officer
    1997-03-04 ~ 2003-10-31
    IIF 33 - Director → ME
  • 6
    FORSS WIND FARM LIMITED.
    - now 02924456
    S.B. ENERGY LIMITED
    - 2001-09-11 02924456
    Building 7, Floor 2, Unit 5 Chiswick Business Park, 566 Chiswick High Road, London, England
    Active Corporate (35 parents)
    Officer
    1994-04-29 ~ 2003-10-31
    IIF 35 - Director → ME
  • 7
    FOUR BURROWS LIMITED
    - now 02913793
    THE NEW WORLD POWER COMPANY (FOUR BURROWS) LIMITED
    - 1997-03-03 02913793
    6th Floor 33 Holborn, London, United Kingdom
    Active Corporate (39 parents)
    Officer
    1997-02-10 ~ 2003-10-31
    IIF 32 - Director → ME
  • 8
    FUTURE HEATING LTD
    04261036
    Hill House, 1 Little New Street, London
    Dissolved Corporate (15 parents)
    Officer
    2008-05-08 ~ 2008-10-08
    IIF 15 - Director → ME
  • 9
    GB-SOL LIMITED
    04211052
    Renewable Energy Works, Treforest Industrial Estate, Cardiff, United Kingdom
    Active Corporate (18 parents, 1 offspring)
    Equity (Company account)
    776,417 GBP2024-06-30
    Officer
    2007-05-14 ~ 2008-09-30
    IIF 18 - Director → ME
  • 10
    INFINITY 338 MANAGEMENT COMPANY LIMITED
    14773105
    302 Charminster Road, Bournemouth, England
    Active Corporate (8 parents)
    Equity (Company account)
    9 GBP2024-03-31
    Officer
    2023-05-23 ~ now
    IIF 27 - Director → ME
  • 11
    MYNYDD CLOGAU WINDFARM LIMITED
    - now 03493417
    MAJORSPAN LIMITED
    - 1998-01-23 03493417
    Third Floor, 10 Lower Grosvenor Place, London, England
    Active Corporate (55 parents)
    Officer
    1998-01-20 ~ 2004-01-22
    IIF 28 - Director → ME
  • 12
    PASSIVHAUS (UK) LIMITED
    - now 06242517
    BONDCO 1213 LIMITED - 2007-07-04
    Hill House, 1 Little New Street, London
    Dissolved Corporate (12 parents)
    Officer
    2007-08-08 ~ 2008-10-16
    IIF 13 - Director → ME
  • 13
    PRYSAN WINDFARM LIMITED
    - now 03493424
    FOCUSAIM LIMITED
    - 1998-01-23 03493424
    8 Princes Parade, Liverpool, Merseyside
    Dissolved Corporate (26 parents)
    Officer
    1998-01-20 ~ 2004-01-22
    IIF 36 - Director → ME
  • 14
    PV SYSTEMS LIMITED - now
    ENERGY EQUIPMENT TESTING SERVICE LTD.
    - 2009-10-20 03432498
    Hill House, 1 Little New Street, London, London
    Dissolved Corporate (23 parents)
    Officer
    2007-05-14 ~ 2008-09-30
    IIF 16 - Director → ME
  • 15
    RENEWABLE ENERGY CENTRE LIMITED
    - now 03136058
    CARK LIMITED
    - 2001-03-02 03136058
    OFFSHORE ENERGY SYSTEMS LIMITED
    - 1998-10-09 03136058
    CARK LIMITED
    - 1998-07-13 03136058
    C/o Teneo Financial Advisory Limited The Colmore Building, 20 Colmore Circus Queensway, Birmingham
    Dissolved Corporate (19 parents)
    Officer
    2008-10-14 ~ 2016-10-31
    IIF 4 - Director → ME
    1995-12-08 ~ 2003-10-31
    IIF 31 - Director → ME
  • 16
    RENEWABLE ENERGY GROUP LIMITED
    - now 04913495
    RENEWABLE ENERGY SYSTEMS TEC LIMITED
    - 2005-02-07 04913495 01589961, 04913487, 04913493
    BONDCO 1036 LIMITED - 2003-10-31
    Beaufort Court, Egg Farm Lane Off Station Road, Kings Langley, Hertfordshire
    Active Corporate (15 parents)
    Officer
    2003-11-05 ~ 2016-10-31
    IIF 6 - Director → ME
  • 17
    RENEWABLE ENERGY SYSTEMS ASIA PACIFIC LIMITED
    - now 04493761
    RES DEVELOPMENTS (E&W) LIMITED
    - 2003-12-16 04493761
    Hill House, 1 Little New Street, London
    Dissolved Corporate (8 parents)
    Officer
    2003-10-31 ~ dissolved
    IIF 12 - Director → ME
  • 18
    RENEWABLE ENERGY SYSTEMS CONSTRUCTION LIMITED
    04585817
    Hill House, 1 Little New Street, London
    Dissolved Corporate (13 parents)
    Officer
    2003-10-31 ~ 2016-06-10
    IIF 5 - Director → ME
  • 19
    RENEWABLE ENERGY SYSTEMS HOLDINGS LIMITED
    - now 04913497
    BONDCO 1035 LIMITED - 2003-10-31
    Beaufort Court, Egg Farm Lane Off Station Road, Kings Langley, Hertfordshire
    Active Corporate (31 parents, 5 offsprings)
    Officer
    2003-11-04 ~ 2016-10-31
    IIF 25 - Director → ME
  • 20
    RENEWABLE ENERGY SYSTEMS LIMITED
    - now 01589961 04913495, 04913487, 04913493
    ABLESPRING LIMITED
    - 1981-11-25 01589961
    Beaufort Court, Egg Farm Lane Station Road, Kings Langley, Hertfordshire
    Active Corporate (32 parents, 9 offsprings)
    Officer
    ~ 2016-10-31
    IIF 2 - Director → ME
  • 21
    RENEWABLE UK ASSOCIATION - now
    BRITISH WIND ENERGY ASSOCIATION
    - 2009-12-21 01874667
    The Conduit, 6 Langley Street, London, England
    Active Corporate (178 parents)
    Officer
    1992-03-25 ~ 1997-12-08
    IIF 29 - Director → ME
  • 22
    RENEWABLES EAST
    04948149
    Room 22, West Site A, Norwich Research Park, Norwich, Norfolk, England
    Dissolved Corporate (28 parents)
    Officer
    2005-06-01 ~ 2010-09-22
    IIF 26 - Director → ME
  • 23
    RES ADVISORY LIMITED - now
    RES INBUILT LIMITED - 2013-04-09
    INBUILT LIMITED
    - 2012-09-24 06242516
    BONDCO 1212 LIMITED
    - 2007-08-22 06242516 04728153, 04380375, 07146743... (more)
    1 Little New Street, London
    Dissolved Corporate (20 parents)
    Officer
    2007-08-08 ~ 2008-10-16
    IIF 14 - Director → ME
  • 24
    RES ENTERPRISES LIMITED
    - now 06914687 06182959
    RES ON-SITE LIMITED
    - 2009-08-07 06914687 06182959
    Hill House, 1 Little New Street, London
    Dissolved Corporate (12 parents)
    Officer
    2009-05-26 ~ 2016-06-10
    IIF 23 - Director → ME
  • 25
    RES ESCO LIMITED
    - now 06182961
    BONDCO 1201 LIMITED
    - 2007-05-22 06182961 04728153, 04380375, 07146743... (more)
    Hill House, 1 Little New Street, London, London
    Dissolved Corporate (14 parents)
    Officer
    2007-05-11 ~ 2008-10-13
    IIF 22 - Director → ME
  • 26
    RES FUELS LIMITED
    - now 06310931
    BONDCO 1217 LIMITED - 2007-08-28
    Hill House, 1 Little New Street, London, London
    Dissolved Corporate (14 parents)
    Officer
    2007-09-03 ~ 2008-10-13
    IIF 7 - Director → ME
  • 27
    RES HEAT AND POWER LIMITED
    - now 04913487 06182959
    RENEWABLE ENERGY HOLDINGS LIMITED - 2008-09-23
    RENEWABLE ENERGY SYSTEMS O&M LIMITED - 2005-02-07
    BONDCO 1038 LIMITED - 2003-10-31
    Hill House, 1 Little New Street, London, London
    Dissolved Corporate (17 parents)
    Officer
    2008-10-14 ~ 2011-01-27
    IIF 8 - Director → ME
  • 28
    RES NORTHERN EUROPE LIMITED
    - now 04915239
    RENEWABLE ENERGY SYSTEMS EUROPE LIMITED
    - 2008-09-23 04915239
    BONDCO 1034 LIMITED - 2003-10-31
    Hill House, 1 Little New Street, London
    Dissolved Corporate (11 parents)
    Officer
    2003-11-05 ~ dissolved
    IIF 11 - Director → ME
  • 29
    RES ON-SITE LIMITED
    - now 06182959 06914687
    RES ENTERPRISES LIMITED
    - 2009-08-07 06182959 06914687
    RES HEAT AND POWER LIMITED
    - 2008-09-23 06182959 04913487
    BONDCO 1200 LIMITED
    - 2007-05-22 06182959 04728153, 04380375, 07146743... (more)
    Hill House, 1 Little New Street, London, London
    Dissolved Corporate (19 parents)
    Officer
    2007-05-11 ~ 2009-12-24
    IIF 10 - Director → ME
  • 30
    RES SOLAR LIMITED - now
    PV SYSTEMS LIMITED
    - 2009-10-20 03526048 03432498, 12550246
    Hill House, 1 Little New Street, London
    Dissolved Corporate (19 parents)
    Officer
    2007-05-14 ~ 2008-09-30
    IIF 9 - Director → ME
  • 31
    RES-GEN LIMITED
    - now 04913485
    BONDCO 1039 LIMITED - 2003-10-31
    Hill House, 1 Little New Street, London
    Dissolved Corporate (20 parents)
    Officer
    2003-11-05 ~ 2008-07-01
    IIF 17 - Director → ME
  • 32
    REX CARBON LTD - now
    HARGASSNER UK LTD - 2021-12-31
    WOOD ENERGY ESCO LTD.
    - 2014-10-29 04842774
    WOOD ENERGY WALES LTD - 2006-04-03
    St John's Chambers, Love Street, Chester, United Kingdom
    Active Corporate (19 parents)
    Equity (Company account)
    7,265 GBP2024-12-30
    Officer
    2006-11-16 ~ 2008-09-23
    IIF 19 - Director → ME
  • 33
    SOLAR SLATE LIMITED
    - now 07022531
    HERITAGE SOLAR SLATE LIMITED
    - 2010-11-10 07022531
    Beaufort Court, Egg Farm Lane, Kings Langley, Hertfordshire
    Active Corporate (13 parents)
    Officer
    2009-09-17 ~ 2016-06-10
    IIF 24 - Director → ME
  • 34
    ST ANDREWS FOLKESTONE LIMITED
    03168416
    Unit 2 Dennehill Business Centre, Womenswold, Canterbury, England
    Active Corporate (51 parents)
    Equity (Company account)
    29 GBP2024-08-31
    Officer
    1996-05-29 ~ 2000-01-11
    IIF 39 - Director → ME
  • 35
    TEMERAIRE HEIGHTS LIMITED
    06281281
    17 Temeraire Heights, Sandgate, Folkestone, Kent, England
    Active Corporate (10 parents)
    Equity (Company account)
    21 GBP2024-09-30
    Officer
    2008-09-07 ~ 2023-02-27
    IIF 1 - Director → ME
  • 36
    WIND ENERGY SYSTEMS LIMITED
    03280274
    Beaufort Court, Egg Farm Lane, Kings Langley, Hertfordshire
    Active Corporate (16 parents)
    Officer
    1996-11-19 ~ 2016-10-31
    IIF 3 - Director → ME
  • 37
    WIND TURBINE DEVELOPMENTS LIMITED
    02873607
    Beaufort Court, Egg Farm Lane, Kings Langley, Hertfordshire
    Dissolved Corporate (15 parents)
    Officer
    1993-11-19 ~ 2003-11-20
    IIF 30 - Director → ME
  • 38
    WOOD ENERGY LIMITED
    04269709
    10 St. Helens Road, Swansea
    Liquidation Corporate (21 parents)
    Equity (Company account)
    338,663 GBP2018-12-31
    Officer
    2006-11-16 ~ 2008-09-23
    IIF 21 - Director → ME
  • 39
    WORLD RENEWABLE ENERGY NETWORK LIMITED
    - now 02482019
    WORLD RENEWABLE ENERGY CONGRESS LIMITED - 1996-04-23
    Brewery House High Street, Twyford, Winchester, England
    Active Corporate (11 parents)
    Equity (Company account)
    525 GBP2024-03-31
    Officer
    1997-01-01 ~ 2004-08-28
    IIF 40 - Director → ME

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