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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

Mccallum, David

child relation
Offspring entities and appointments
Active 3
Ceased 42
  • 1
    ABBOTT DEBT RECOVERY LTD
    05355799
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 16 - Secretary → ME
  • 2
    ABERGELLI POWER LIMITED
    - now 08190497
    GWENT POWER LIMITED - 2014-02-25
    RASSAU POWER LIMITED - 2012-09-03
    Drax Power Stattion, Drax, Selby, United Kingdom
    Active Corporate (4 parents)
    Officer
    2016-12-05 ~ 2019-01-31
    IIF 45 - Secretary → ME
  • 3
    AES DRAX ACQUISITION LIMITED
    03834878
    Drax Power Station, ., Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 18 - Secretary → ME
  • 4
    DONNINGTON ENERGY LIMITED
    07109298
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    1 GBP2019-12-31
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 5 - Secretary → ME
  • 5
    DRAX BIOMASS HOLDINGS LIMITED
    08322715
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (4 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 21 - Secretary → ME
  • 6
    DRAX CCS LIMITED
    - now 07885329
    SALEROSA ONE LIMITED - 2012-03-30
    Drax Power Station, ., Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 17 - Secretary → ME
  • 7
    DRAX CORPORATE LIMITED
    - now 05562058
    DRAX FINANCE LIMITED
    - 2017-04-05 05562058
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (4 parents, 7 offsprings)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 37 - Secretary → ME
  • 8
    DRAX CRUACHAN EXPANSION LIMITED - now
    DRAX GENERATION (SELBY) LIMITED
    - 2021-07-29 06657393
    DRAX BIOMASS (SELBY) LIMITED - 2015-07-16
    EMERGEFORCE LIMITED - 2009-07-03
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (5 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 19 - Secretary → ME
  • 9
    DRAX ENERGY SOLUTIONS LIMITED - now
    HAVEN POWER LIMITED
    - 2021-08-31 05893966
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (4 parents, 1 offspring)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 20 - Secretary → ME
  • 10
    DRAX FINCO PLC
    10664639
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (5 parents)
    Officer
    2017-03-10 ~ 2019-01-31
    IIF 44 - Secretary → ME
  • 11
    DRAX FUEL SUPPLY LIMITED
    - now 05299523
    DRAX INVESTMENTS LIMITED - 2011-12-08
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 35 - Secretary → ME
  • 12
    DRAX GENERATION DEVELOPMENTS LIMITED
    - now 07821368
    DRAX GROUP PROJECT SERVICES LIMITED
    - 2017-04-05 07821368
    DRAX BIOMASS INTERNATIONAL LIMITED - 2015-02-25
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (5 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 29 - Secretary → ME
  • 13
    DRAX GROUP HOLDINGS LIMITED
    09887429
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents, 4 offsprings)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 39 - Secretary → ME
  • 14
    DRAX GROUP PLC
    05562053 07821911
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (9 parents, 1 offspring)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 33 - Secretary → ME
  • 15
    DRAX HYDRO LIMITED - now
    DOMUS ENERGY LIMITED
    - 2020-12-09 08654218
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (5 parents, 3 offsprings)
    Equity (Company account)
    1 GBP2019-12-31
    Officer
    2017-02-10 ~ 2019-02-01
    IIF 6 - Secretary → ME
  • 16
    DRAX INNOVATION LIMITED
    10664715
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2017-03-10 ~ 2019-01-31
    IIF 40 - Secretary → ME
  • 17
    DRAX PENSION TRUSTEES LIMITED
    09824989
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 41 - Secretary → ME
  • 18
    DRAX POWER LIMITED
    - now 04883589 03618559
    DRAX OPCO LIMITED - 2003-12-22
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (5 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 32 - Secretary → ME
  • 19
    DRAX PUMPED STORAGE LIMITED - now
    DRAX CORPORATE DEVELOPMENTS LIMITED
    - 2020-12-09 06657336
    DRAX BIOMASS (IMMINGHAM) LIMITED
    - 2017-04-05 06657336
    EMERGESTYLE LIMITED - 2009-07-11
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (5 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 23 - Secretary → ME
  • 20
    DRAX RESEARCH AND INNOVATION HOLDCO LIMITED
    - now 06657454
    DRAX DEVELOPMENTS LIMITED
    - 2017-04-05 06657454
    DRAX BIOMASS DEVELOPMENTS LIMITED
    - 2016-11-24 06657454
    BIOMASS DEVELOPMENTS LIMITED - 2009-07-11
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (5 parents, 4 offsprings)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 24 - Secretary → ME
  • 21
    DRAX RETAIL DEVELOPMENTS LIMITED
    10711130
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-04-05 ~ 2019-01-31
    IIF 43 - Secretary → ME
  • 22
    DRAX RIVER HYDRO LIMITED - now
    DAMHEAD CREEK II LIMITED - 2020-12-09
    SELECT ENERGY LIMITED
    - 2019-08-14 05956747
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    1 GBP2019-12-31
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 7 - Secretary → ME
  • 23
    DRAX SMART GENERATION HOLDCO LIMITED
    - now 07821911
    DRAX GROUP SERVICES LIMITED
    - 2017-04-05 07821911 05562053
    DRAX POWER INTERNATIONAL LIMITED - 2015-02-25
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (5 parents, 8 offsprings)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 30 - Secretary → ME
  • 24
    DRAX SMART SOURCING HOLDCO LIMITED
    - now 07821375
    DRAX (INTERNATIONAL) LIMITED
    - 2017-04-05 07821375
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (3 parents, 1 offspring)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 36 - Secretary → ME
  • 25
    DRAX SMART SUPPLY HOLDCO LIMITED
    10664625
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (3 parents, 5 offsprings)
    Officer
    2017-03-10 ~ 2019-01-31
    IIF 42 - Secretary → ME
  • 26
    FARMOOR ENERGY LIMITED
    07111074
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 12 - Secretary → ME
  • 27
    HAVEN HEAT LIMITED
    - now 06657428
    DRAX BIOMASS (TYNESIDE) LIMITED - 2015-02-25
    MID SUFFOLK POWER LIMITED - 2010-11-08
    Drax Power Station, Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 34 - Secretary → ME
  • 28
    HAVEN POWER NOMINEES LIMITED
    - now 07352734
    HAVEN TRUSTEE LIMITED - 2010-11-10
    Drax Power Station, Drax, Selby, North Yorkshire
    Active Corporate (3 parents)
    Officer
    2016-07-01 ~ 2019-01-31
    IIF 22 - Secretary → ME
  • 29
    HIRWAUN POWER LIMITED
    08190283
    Drax Power Station, Drax, Selby, United Kingdom
    Active Corporate (5 parents)
    Officer
    2016-12-05 ~ 2019-01-31
    IIF 27 - Secretary → ME
  • 30
    MILLBROOK POWER LIMITED
    08920458
    Drax Power Station, Drax, Selby, North Yorkshire, United Kingdom
    Active Corporate (5 parents)
    Officer
    2016-12-05 ~ 2019-01-31
    IIF 25 - Secretary → ME
  • 31
    OPUS ENERGY (CORPORATE) LIMITED
    - now 05199937
    CHERWELL ENERGY LIMITED - 2010-07-14
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 8 - Secretary → ME
  • 32
    OPUS ENERGY GROUP LIMITED
    - now 04409377
    OXFORD POWER HOLDINGS LIMITED - 2010-10-28
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents, 10 offsprings)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 2 - Secretary → ME
  • 33
    OPUS ENERGY LIMITED
    - now 04382246 04508350
    OXFORD POWER LIMITED - 2002-09-23 04508350
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 10 - Secretary → ME
  • 34
    OPUS ENERGY MARKETING LIMITED
    05030694
    Drax Power Station, Selby, North Yorkshire, England
    Active Corporate (3 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 3 - Secretary → ME
  • 35
    OPUS ENERGY RENEWABLES LIMITED
    - now 07126582
    EVENLODE ENERGY LIMITED - 2012-03-21
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 9 - Secretary → ME
  • 36
    OPUS GAS LIMITED
    05680956
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 11 - Secretary → ME
  • 37
    OPUS GAS SUPPLY LIMITED
    06874709
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 13 - Secretary → ME
  • 38
    OPUS WATER LIMITED
    09425319
    Drax Power Station, Selby, North Yorkshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Officer
    2017-02-10 ~ 2019-01-31
    IIF 4 - Secretary → ME
  • 39
    PROGRESS POWER LIMITED
    08421833
    Drax Power Station, Drax, Selby, United Kingdom
    Active Corporate (5 parents)
    Officer
    2016-12-05 ~ 2019-01-31
    IIF 28 - Secretary → ME
  • 40
    SMW LIMITED
    - now SC165988
    RANDOTTE (NO. 409) LIMITED - 1996-08-12 07036711, 07036722, 04808016... (more)
    13 Queen's Road, Aberdeen, Scotland
    Active Corporate (5 parents)
    Officer
    2018-12-31 ~ 2019-01-31
    IIF 14 - Secretary → ME
  • 41
    SUNFLOWER ENERGY SUPPLY LIMITED
    09735929
    Drax Power Station, Drax, Selby, England
    Active Corporate (4 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Officer
    2017-05-24 ~ 2019-01-31
    IIF 26 - Secretary → ME
  • 42
    VPI POWER LIMITED - now
    DRAX GENERATION ENTERPRISE LIMITED
    - 2021-02-02 SC189124
    SCOTTISHPOWER GENERATION LIMITED
    - 2019-01-09 SC189124
    SCOTTISH POWER GENERATION PLC - 2003-03-21
    SCOTTISHPOWER GENERATION LIMITED - 2001-05-11
    RANDOTTE (NO. 461) LIMITED - 1998-12-14 07036711, 07036722, 04808016... (more)
    Building 1 9 Haymarket Square, Edinburgh, Scotland
    Active Corporate (4 parents)
    Officer
    2018-12-31 ~ 2019-01-31
    IIF 15 - Secretary → ME

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