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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Horsley, Mark John

child relation
Offspring entities and appointments 58
  • 1
    AFFINITY WATER LIMITED
    - now 02546950 03669219
    VEOLIA WATER CENTRAL LIMITED - 2012-10-01
    VEOLIA WATER CENTRAL PLC - 2009-07-01
    THREE VALLEYS WATER PLC - 2009-07-01
    LEE VALLEY WATER LIMITED - 1994-03-31
    Active Corporate (86 parents, 6 offsprings)
    Officer
    2019-12-19 ~ 2022-07-18
    IIF 21 - Director → ME
  • 2
    AUSTRALIAN GAS NETWORKS UK 2 LIMITED
    - now 09178242 09053205
    CK ENV UK 2 LIMITED
    - 2014-11-14 09178242 09053205
    Active Corporate (12 parents)
    Officer
    2014-08-15 ~ now
    IIF 40 - Director → ME
  • 3
    AUSTRALIAN GAS NETWORKS UK LIMITED
    - now 09053205 09178242
    CK ENV UK LIMITED
    - 2014-11-14 09053205 09178242
    Active Corporate (16 parents, 1 offspring)
    Officer
    2014-05-27 ~ now
    IIF 23 - Director → ME
  • 4
    BETA CENTRAL PROFITS LIMITED
    06297913
    Active Corporate (16 parents, 1 offspring)
    Officer
    2012-01-17 ~ now
    IIF 36 - Director → ME
  • 5
    BRADFORD LOW CARBON HYDROGEN LIMITED
    14315106
    Active Corporate (12 parents)
    Officer
    2024-06-14 ~ now
    IIF 15 - Director → ME
  • 6
    CE ELECTRIC SERVICES LIMITED
    - now 03859158
    NORTHERN ENERGY DISTRIBUTION LIMITED - 2005-12-02
    CROSSCO (445) LIMITED - 1999-11-12
    Dissolved Corporate (12 parents)
    Officer
    2005-12-06 ~ 2006-10-31
    IIF 8 - Director → ME
  • 7
    CK VEC UK LIMITED
    09813555
    Dissolved Corporate (6 parents)
    Officer
    2015-10-07 ~ dissolved
    IIF 43 - Director → ME
  • 8
    CK WILLIAM LNG 2 COMPANY LIMITED
    16562611 16531988
    Active Corporate (5 parents)
    Officer
    2025-07-07 ~ now
    IIF 35 - Director → ME
  • 9
    CK WILLIAM LNG COMPANY LIMITED
    16531988 16562611
    Active Corporate (5 parents, 1 offspring)
    Officer
    2025-06-20 ~ now
    IIF 29 - Director → ME
  • 10
    CK WILLIAM MIDCO 1 LIMITED
    - now 10004197 10544928... (more)
    CK LCY MIDCO LIMITED - 2017-01-11
    Active Corporate (9 parents)
    Officer
    2017-09-20 ~ now
    IIF 34 - Director → ME
  • 11
    CK WILLIAM MIDCO 2 LIMITED
    10544928 10544949... (more)
    Active Corporate (13 parents, 1 offspring)
    Officer
    2017-03-17 ~ now
    IIF 27 - Director → ME
  • 12
    CK WILLIAM MIDCO 3 LIMITED
    10544949 10544928... (more)
    Active Corporate (14 parents)
    Officer
    2017-03-17 ~ now
    IIF 26 - Director → ME
  • 13
    CK WILLIAM UK HOLDINGS LIMITED
    - now 10004346
    CK LCY BIDCO LIMITED - 2017-01-11
    Active Corporate (14 parents, 6 offsprings)
    Officer
    2017-04-21 ~ now
    IIF 30 - Director → ME
  • 14
    CKA HOLDINGS UK LIMITED
    - now 10003599
    CK WILLIAM TOPCO LIMITED
    - 2018-06-11 10003599
    CK LCY HOLDCO LIMITED - 2017-01-11
    Active Corporate (7 parents, 10 offsprings)
    Officer
    2017-09-20 ~ now
    IIF 41 - Director → ME
  • 15
    CKH GAS INFRASTRUCTURE LIMITED
    09053204 08988100
    Active Corporate (11 parents, 1 offspring)
    Officer
    2014-08-20 ~ now
    IIF 24 - Director → ME
  • 16
    CKI GAS INFRASTRUCTURE LIMITED
    - now 08988100 09053204
    PG (APRIL) (NUMBER 2) LIMITED
    - 2014-08-28 08988100
    Active Corporate (11 parents, 4 offsprings)
    Officer
    2014-04-09 ~ now
    IIF 25 - Director → ME
  • 17
    CKM MIDCO 1 LIMITED
    11466775 11466799... (more)
    Dissolved Corporate (11 parents, 1 offspring)
    Officer
    2018-07-16 ~ dissolved
    IIF 47 - Director → ME
  • 18
    CKM MIDCO 2 LIMITED
    11466799 11499509... (more)
    Dissolved Corporate (11 parents)
    Officer
    2018-07-16 ~ dissolved
    IIF 45 - Director → ME
  • 19
    CKM MIDCO 3 LIMITED
    - now 11475820 11466799... (more)
    CKM MIDCO LIMITED
    - 2018-07-20 11475820 11466799... (more)
    Dissolved Corporate (11 parents)
    Officer
    2018-07-20 ~ dissolved
    IIF 49 - Director → ME
  • 20
    CKM MIDCO 4 LIMITED
    11499509 11466799... (more)
    Dissolved Corporate (11 parents)
    Officer
    2018-08-03 ~ dissolved
    IIF 44 - Director → ME
  • 21
    CKM MIDCO 5 LIMITED
    11500035 11466799... (more)
    Dissolved Corporate (11 parents)
    Officer
    2018-08-03 ~ dissolved
    IIF 48 - Director → ME
  • 22
    CKM UK HOLDINGS LIMITED
    11466844
    Dissolved Corporate (11 parents)
    Officer
    2018-07-16 ~ dissolved
    IIF 46 - Director → ME
  • 23
    EEBEE PARTNERS LLP - now
    EC HARRIS LLP
    - 2011-11-07 OC304988 OC368843... (more)
    Liquidation Corporate (383 parents)
    Officer
    2009-11-23 ~ 2010-12-17
    IIF 13 - LLP Member → ME
  • 24
    ELECTRICITY FIRST LIMITED
    07233880
    Active Corporate (12 parents, 1 offspring)
    Officer
    2012-01-17 ~ now
    IIF 32 - Director → ME
  • 25
    ENERGY INNOVATION CENTRE LIMITED
    07809152
    Active Corporate (9 parents, 2 offsprings)
    Officer
    2014-04-01 ~ 2017-09-30
    IIF 20 - Director → ME
    Person with significant control
    2016-04-06 ~ 2017-09-30
    IIF 60 - Has significant influence or control → OE
  • 26
    ENERGY NETWORKS ASSOCIATION LIMITED
    04832301
    Active Corporate (99 parents, 1 offspring)
    Officer
    2003-09-08 ~ 2006-10-31
    IIF 10 - Director → ME
  • 27
    IGEM FUTURE ENERGY NETWORKS LTD
    15730432
    Active Corporate (9 parents)
    Officer
    2024-08-01 ~ now
    IIF 14 - Director → ME
  • 28
    INTEGRATED UTILITY SERVICES LIMITED
    - now 02964844 02641924... (more)
    NORTHERN UTILITY SERVICES LIMITED - 2000-07-11
    Active Corporate (24 parents)
    Officer
    2002-08-13 ~ 2006-10-31
    IIF 9 - Director → ME
  • 29
    KELLEN CAPITAL LIMITED
    06393979
    Active Corporate (25 parents)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 57 - Director → ME
  • 30
    KELLEN INVESTMENTS LIMITED
    - now 05366077
    PAPERMILE LIMITED - 2005-04-01
    Active Corporate (32 parents, 2 offsprings)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 56 - Director → ME
  • 31
    LIONRAI INVESTMENTS NO.1 LIMITED
    08611798 08612000
    Active Corporate (21 parents, 1 offspring)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 52 - Director → ME
  • 32
    LIONRAI INVESTMENTS NO.2 LIMITED
    08612000 08611798
    Active Corporate (20 parents, 2 offsprings)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 53 - Director → ME
  • 33
    N-GEN ENERGY SOLUTIONS LIMITED
    14825574
    Active Corporate (14 parents, 1 offspring)
    Officer
    2023-04-25 ~ now
    IIF 33 - Director → ME
  • 34
    NORTHERN ELECTRIC PLC
    - now 02366942 02387339
    ELECTRICITY NORTH EAST PLC - 1989-09-12
    Active Corporate (42 parents, 64 offsprings)
    Officer
    2003-06-19 ~ 2006-10-31
    IIF 3 - Director → ME
  • 35
    NORTHERN GAS NETWORKS FINANCE PLC
    - now 05575923 05213525... (more)
    NORTHERN GAS NETWORKS FINCO PLC - 2005-10-17
    Active Corporate (31 parents)
    Officer
    2011-01-04 ~ now
    IIF 16 - Director → ME
  • 36
    NORTHERN GAS NETWORKS GENERAL PARTNER LIMITED
    SC575600
    Dissolved Corporate (3 parents, 2 offsprings)
    Officer
    2017-09-06 ~ dissolved
    IIF 42 - Director → ME
  • 37
    NORTHERN GAS NETWORKS HOLDINGS LIMITED
    - now 05213525 05575923... (more)
    GAS NETWORK LIMITED - 2005-06-01
    Active Corporate (35 parents, 1 offspring)
    Officer
    2011-01-04 ~ now
    IIF 17 - Director → ME
  • 38
    NORTHERN GAS NETWORKS LIMITED
    - now 05167070 05575923... (more)
    BLACKWATER F LIMITED - 2005-06-01
    Active Corporate (42 parents, 6 offsprings)
    Officer
    2011-01-04 ~ now
    IIF 18 - Director → ME
  • 39
    NORTHERN GAS NETWORKS OPERATIONS LIMITED
    - now 03528783 05213525... (more)
    UNITED UTILITIES OPERATIONS LIMITED - 2010-11-03
    UNITED UTILITIES DEFENCE PARTNERS LIMITED - 2004-04-14
    UNITED UTILITIES DEFENCE SERVICES LIMITED - 2000-04-27
    UNITED UTILITIES (NO. 2342) LIMITED - 2000-04-25
    UNITED UTILITES (NO. 2342) LIMITED - 1998-07-24
    TRUSHELFCO (NO.2342) LIMITED - 1998-04-15
    Active Corporate (41 parents, 2 offsprings)
    Officer
    2011-01-04 ~ now
    IIF 19 - Director → ME
  • 40
    NORTHERN POWERGRID (NORTHEAST) PLC - now
    NORTHERN POWERGRID (NORTHEAST) LIMITED - 2020-06-03
    NORTHERN ELECTRIC DISTRIBUTION LIMITED
    - 2011-10-28 02906593 07465173
    PETUNIA LIMITED - 1994-08-11
    Active Corporate (28 parents, 1 offspring)
    Officer
    2002-09-05 ~ 2006-10-31
    IIF 11 - Director → ME
  • 41
    NORTHERN POWERGRID (YORKSHIRE) PLC - now
    YORKSHIRE ELECTRICITY DISTRIBUTION PLC
    - 2011-10-31 04112320 07465398
    YELECO 32 LIMITED - 2001-06-21
    Active Corporate (28 parents)
    Officer
    2002-09-05 ~ 2006-10-31
    IIF 7 - Director → ME
  • 42
    PAH GAS INFRASTRUCTURE LIMITED
    - now 08988096
    BETA CENTRAL PROFITS (NUMBER 2) LIMITED
    - 2014-08-28 08988096
    Active Corporate (11 parents, 4 offsprings)
    Officer
    2014-04-09 ~ now
    IIF 22 - Director → ME
  • 43
    PG (APRIL) LIMITED
    06219737
    Active Corporate (13 parents, 1 offspring)
    Officer
    2012-01-17 ~ now
    IIF 38 - Director → ME
  • 44
    PHOENIX DISTRIBUTION HOLDINGS LIMITED
    06455596
    Active Corporate (18 parents, 4 offsprings)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 59 - Director → ME
  • 45
    PHOENIX ENERGY GROUP HOLDINGS LIMITED - now
    CK WILLIAM ENERGY UK LIMITED
    - 2025-01-23 15164489 15764848
    Active Corporate (15 parents, 1 offspring)
    Officer
    2023-09-26 ~ 2024-06-24
    IIF 51 - Director → ME
  • 46
    PHOENIX ENERGY HOLDINGS LIMITED
    - now 04135896 15164489
    EAST SURREY ENERGY INVESTMENTS LIMITED - 2007-06-12
    Active Corporate (25 parents, 6 offsprings)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 55 - Director → ME
  • 47
    PHOENIX ENERGY SERVICES LIMITED
    - now NI041410
    PHOENIX SERVICECO LIMITED - 2001-12-13
    Active Corporate (22 parents)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 54 - Director → ME
  • 48
    PHOENIX NATURAL GAS PP FINANCE PLC
    10636561 NI600904
    Active Corporate (17 parents)
    Officer
    2024-04-26 ~ 2024-07-18
    IIF 58 - Director → ME
  • 49
    THE UNITED KINGDOM SOCIETY FOR TRENCHLESS TECHNOLOGY
    02928687
    Active Corporate (88 parents)
    Officer
    1996-09-04 ~ 1998-09-30
    IIF 1 - Director → ME
  • 50
    UK RENEWABLE HOLDCO 1 LIMITED
    09775646 09775655... (more)
    Active Corporate (8 parents, 1 offspring)
    Officer
    2015-09-14 ~ now
    IIF 31 - Director → ME
  • 51
    UK RENEWABLE HOLDCO 2 LIMITED
    09775655 09775674... (more)
    Active Corporate (9 parents, 1 offspring)
    Officer
    2015-09-14 ~ now
    IIF 39 - Director → ME
  • 52
    UK RENEWABLE HOLDCO 3 LIMITED
    09775674 09775655... (more)
    Active Corporate (9 parents)
    Officer
    2015-09-14 ~ now
    IIF 28 - Director → ME
  • 53
    UK RENEWABLES ENERGY GROUP LIMITED
    - now 15764848
    CK WILLIAM ENERGY UK 2 LIMITED
    - 2024-11-06 15764848 15164489
    Active Corporate (15 parents, 8 offsprings)
    Officer
    2026-05-07 ~ now
    IIF 37 - Director → ME
    2024-06-06 ~ 2024-09-24
    IIF 50 - Director → ME
  • 54
    VEHICLE LEASE AND SERVICE LIMITED
    - now 03612397
    CROSSCO (360) LIMITED - 1998-11-26
    Active Corporate (35 parents, 1 offspring)
    Officer
    2001-02-21 ~ 2006-10-31
    IIF 2 - Director → ME
  • 55
    YORKSHIRE ELECTRICITY DISTRIBUTION SERVICES LIMITED
    - now 04112332
    YELECO 30 LIMITED - 2001-06-21
    Dissolved Corporate (15 parents)
    Officer
    2002-09-05 ~ 2005-10-03
    IIF 5 - Director → ME
  • 56
    YORKSHIRE ELECTRICITY GROUP PLC
    02366995
    Active Corporate (44 parents, 2 offsprings)
    Officer
    2003-06-12 ~ 2006-10-31
    IIF 4 - Director → ME
  • 57
    YORKSHIRE HOLDINGS PLC
    - now 03321179
    ZDT PLC - 1997-02-21
    Dissolved Corporate (28 parents)
    Officer
    2003-06-19 ~ 2006-10-31
    IIF 12 - Director → ME
  • 58
    YORKSHIRE POWER GROUP LIMITED
    - now 03227432
    ALNERY NO. 1607 LIMITED - 1997-02-21
    Active Corporate (31 parents, 1 offspring)
    Officer
    2003-06-19 ~ 2006-10-31
    IIF 6 - Director → ME

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.