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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

Willcock, Jonathan Kevin

    Related profiles found in government register
  • Willcock, Jonathan Kevin
    British born in August 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Willcock, Jonathan Kevin
    British managing director born in August 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 12
  • 1
    ABC ELECTRIFICATION LTD
    08193420
    Dissolved Corporate (32 parents)
    Officer
    2013-12-19 ~ 2020-09-25
    IIF 3 - Director → ME
  • 2
    ALSTOM PRODUCT AND SERVICES LIMITED
    - now 05894128
    SIGNALLING SOLUTIONS LIMITED - 2020-02-28
    Active Corporate (28 parents)
    Officer
    2020-03-24 ~ 2020-09-25
    IIF 11 - Director → ME
  • 3
    ALSTOM TRANSPORT UK LIMITED
    08462831 00293588
    Active Corporate (30 parents)
    Officer
    2014-10-22 ~ 2020-09-25
    IIF 12 - Director → ME
  • 4
    COSTAIN ENGINEERING LIMITED
    16237690 00610201... (more)
    Active Corporate (8 parents)
    Officer
    2025-02-07 ~ now
    IIF 8 - Director → ME
  • 5
    COSTAIN INTEGRATED SERVICES LIMITED
    - now 01890057
    RHEAD GROUP LIMITED - 2015-12-01
    A.B.RHEAD & ASSOCIATES LIMITED - 2010-06-07
    DELTARAIN LIMITED - 1985-04-02
    Active Corporate (25 parents, 5 offsprings)
    Officer
    2026-06-12 ~ now
    IIF 5 - Director → ME
  • 6
    COSTAIN INTEGRATED TECHNOLOGY SOLUTIONS LIMITED
    - now 01439838
    SIMULATION SYSTEMS LIMITED - 2016-07-15
    Active Corporate (23 parents)
    Officer
    2026-06-12 ~ now
    IIF 7 - Director → ME
  • 7
    COSTAIN LIMITED
    - now 00610201
    COSTAIN CIVIL ENGINEERING LIMITED - 1999-06-24
    Active Corporate (62 parents, 14 offsprings)
    Officer
    2024-04-02 ~ now
    IIF 4 - Director → ME
  • 8
    COSTAIN OIL, GAS & PROCESS LIMITED
    - now 00786418
    LAND & MARINE ENGINEERING LIMITED - 1991-10-30
    LAND & MARINE ENGINEERING (HOLDINGS) LIMITED - 1984-03-01
    LAND & MARINE ENGINEERING LIMITED - 1983-11-23
    Active Corporate (45 parents, 1 offspring)
    Officer
    2026-06-12 ~ now
    IIF 6 - Director → ME
  • 9
    COSTAIN UPSTREAM LIMITED
    - now SC336371
    CLERKMAXWELL LIMITED - 2014-02-03
    MM&S (5340) LIMITED - 2008-10-03
    Active Corporate (36 parents)
    Officer
    2026-05-21 ~ now
    IIF 1 - Director → ME
  • 10
    GOVIA LIMITED
    - now 03278419
    CROSSCO (234) LIMITED - 1996-12-12
    Active Corporate (42 parents, 9 offsprings)
    Officer
    2012-02-03 ~ 2013-07-26
    IIF 9 - Director → ME
  • 11
    GOVIA THAMESLINK RAILWAY LIMITED
    07934306 14090653... (more)
    Active Corporate (38 parents)
    Officer
    2012-02-02 ~ 2013-07-26
    IIF 2 - Director → ME
  • 12
    LEDBURY ROAD RESIDENTS ASSOCIATION LIMITED
    02739351
    Active Corporate (21 parents)
    Officer
    2011-07-12 ~ 2013-06-13
    IIF 10 - Director → ME

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