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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

Harris, Sharon

    Related profiles found in government register
  • Harris, Sharon
    British n/a born in September 1968

    Resident in England

    Registered addresses and corresponding companies
    • Roffey Park Institute Limited, Forest Road, Horsham, West Sussex, RH12 4TB

      IIF 1
  • Harris, Sharon
    British solicitor born in September 1968

    Resident in England

    Registered addresses and corresponding companies
    • Costain House, Vanwall Business Park, Maidenhead, Berkshire, SL6 4UB

      IIF 2
  • Harris, Sharon

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 11
  • 1
    COSTAIN CIVIL ENGINEERING LIMITED
    - now 02757907
    COSTAIN OVERSEAS HOLDINGS LIMITED - 1999-06-24
    WATCHPRAISE LIMITED - 1992-12-02
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (21 parents, 1 offspring)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 5 - Secretary → ME
  • 2
    COSTAIN ENGINEERING & CONSTRUCTION (OVERSEAS) LIMITED
    - now 02440830
    COSTAIN E & C (OVERSEAS) LIMITED - 1991-08-05
    QUICKJOB LIMITED - 1990-01-10
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (28 parents)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 10 - Secretary → ME
  • 3
    COSTAIN ENGINEERING & CONSTRUCTION LIMITED
    - now 02440829
    COSTAIN E & C LIMITED - 1991-08-05
    QUESTEARN LIMITED - 1990-01-10
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (39 parents, 14 offsprings)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 7 - Secretary → ME
  • 4
    COSTAIN GROUP PLC
    - now 01393773
    TRUSHELFCO (NO. 192) LIMITED - 1978-12-31
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (75 parents, 7 offsprings)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 8 - Secretary → 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
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (21 parents, 5 offsprings)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 12 - Secretary → ME
  • 6
    COSTAIN INTEGRATED TECHNOLOGY SOLUTIONS LIMITED
    - now 01439838
    SIMULATION SYSTEMS LIMITED - 2016-07-15
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (20 parents)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 11 - Secretary → ME
  • 7
    COSTAIN LIMITED
    - now 00610201
    COSTAIN CIVIL ENGINEERING LIMITED - 1999-06-24
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (62 parents, 14 offsprings)
    Officer
    2021-02-18 ~ 2022-07-05
    IIF 2 - Director → ME
    2020-09-01 ~ 2022-07-05
    IIF 9 - Secretary → 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
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (42 parents, 1 offspring)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 6 - Secretary → ME
  • 9
    COSTAIN UPSTREAM LIMITED
    - now SC336371
    CLERKMAXWELL LIMITED - 2014-02-03
    MM&S (5340) LIMITED - 2008-10-03
    Neo House, Riverside, Aberdeen, Scotland, Scotland
    Active Corporate (31 parents)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 3 - Secretary → ME
  • 10
    RICHARD COSTAIN LIMITED
    00274453
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Active Corporate (23 parents)
    Officer
    2020-09-01 ~ 2022-07-05
    IIF 4 - Secretary → ME
  • 11
    ROFFEY PARK INSTITUTE LIMITED
    00923975
    Roffey Park Institute Limited, Forest Road, Horsham, West Sussex
    Active Corporate (46 parents, 1 offspring)
    Officer
    2020-04-09 ~ 2021-02-09
    IIF 1 - Director → ME

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