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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

Hardcastle, Mark

    Related profiles found in government register
  • Hardcastle, Mark
    born in April 1983

    Resident in England

    Registered addresses and corresponding companies
    • 5 Ducketts Wharf, South Street, Bishop's Stortford, Hertfordshire, CM23 3AR, United Kingdom

      IIF 1
    • 5 Ducketts Wharf, South Street, Bishop's Stortford, Herts, CM23 3AR, England

      IIF 2
  • Hardcastle, Mark
    British law costs draughtsman born in April 1983

    Resident in England

    Registered addresses and corresponding companies
    • 23, Grove Crescent, London, NW9 0LS, United Kingdom

      IIF 3
  • Mr Mark Hardcastle
    British born in April 1983

    Resident in England

    Registered addresses and corresponding companies
    • 23, Grove Crescent, London, NW9 0LS

      IIF 4
child relation
Offspring entities and appointments
Active 1
  • 1
    COSTS SERVICES IV LLP
    OC443880 OC427389, OC427391, OC427390
    5 Ducketts Wharf, South Street, Bishop's Stortford, Hertfordshire, United Kingdom
    Active Corporate (13 parents)
    Equity (Company account)
    1,300 GBP2025-04-05
    Officer
    2022-10-01 ~ now
    IIF 1 - LLP Designated Member → ME
Ceased 2
  • 1
    CIVIL AND COMMERCIAL COSTS LAWYERS (SOUTH WEST) LTD - now 06658151
    PH COSTS SOLUTIONS LIMITED
    - 2018-03-05 07153535
    Ludgate House, 107-111 Fleet Street, London, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    -17,077 GBP2022-06-30
    Officer
    2010-02-10 ~ 2018-03-01
    IIF 3 - Director → ME
    Person with significant control
    2016-04-06 ~ 2018-03-01
    IIF 4 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 4 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    COSTS SERVICES III LLP
    OC427389 OC443880, OC427391, OC427390
    5 Ducketts Wharf, South Street, Bishop's Stortford, Herts, England
    Active Corporate (11 parents)
    Equity (Company account)
    1,100 GBP2025-04-05
    Officer
    2020-05-06 ~ 2022-09-30
    IIF 2 - LLP Designated Member → ME

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