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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

David Simon Costain

    Related profiles found in government register
  • David Simon Costain
    British born in June 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 14th Floor, 33 Cavendish Square, London, W1G 0PW, United Kingdom

      IIF 1
  • Costain, David Simon
    British podiatrist born in June 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 23 Harmont House, 20 Harley Street, London, W1G 9PH

      IIF 2
    • Flat 6, Harmont House, 20 Harley Street, London, W1G 9PH, United Kingdom

      IIF 3
    • Harmont House, Flat 6, 20 Harley Street, London, W1G 9PH, United Kingdom

      IIF 4
  • Costain, David Simon
    born in June 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 14th Floor, 33 Cavendish Square, London, W1G 0PW, United Kingdom

      IIF 5
  • Costain, David Simon
    British podiatrist born in June 1953

    Resident in England

    Registered addresses and corresponding companies
    • 1, Hamilton Place, Kingswood, Tadworth, Surrey, KT20 6PU, England

      IIF 6
  • Costain, David Simon

    Registered addresses and corresponding companies
    • 1, Hamilton Place, Kingswood, Surrey, KT20 6PU

      IIF 7
child relation
Offspring entities and appointments
Active 3
  • 1
    COSTAIN MATHUR MEDICAL LIMITED
    09309856
    Harmont House, Flat 6, 20 Harley Street, London
    Dissolved Corporate (2 parents)
    Officer
    2014-11-13 ~ dissolved
    IIF 4 - Director → ME
  • 2
    THE GAIT & POSTURE CENTRE LIMITED
    06163966
    Geoffrey Martin & Co 1 Westferry Circus, Canary Wharf, London, England
    Dissolved Corporate (1 parent)
    Officer
    2007-03-20 ~ dissolved
    IIF 3 - Director → ME
  • 3
    THE GAIT AND POSTURE CENTRE (HARLEY STREET) LLP
    OC403725
    14th Floor 33 Cavendish Square, London, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    921,565 GBP2024-03-31
    Officer
    2016-01-08 ~ now
    IIF 5 - LLP Designated Member → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 1 - Right to appoint or remove membersOE
    IIF 1 - Ownership of voting rights - 75% or moreOE
    IIF 1 - Right to surplus assets - 75% or moreOE
Ceased 2
  • 1
    HAMILTON PLACE RES. ASSOC. (KINGSWOOD) LIMITED
    03021802
    6 Hamilton Place, Kingswood, Tadworth, England
    Active Corporate (4 parents)
    Equity (Company account)
    27,791 GBP2024-02-28
    Officer
    2010-01-01 ~ 2011-12-01
    IIF 6 - Director → ME
    2009-01-15 ~ 2011-12-01
    IIF 7 - Secretary → ME
  • 2
    ORTHOTIC SCIENCE LIMITED
    - now 04298054
    KEEPNEW LIMITED
    - 2001-11-07 04298054
    19 Fitzroy, London
    Dissolved Corporate (2 parents)
    Officer
    2001-10-31 ~ 2007-08-23
    IIF 2 - Director → ME

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