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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

Mrs Janet Stephanie Firth

    Related profiles found in government register
  • Mrs Janet Stephanie Firth
    British born in November 1950

    Resident in England

    Registered addresses and corresponding companies
    • Crompton Road, Stevenage, Herts, SG1 2EE

      IIF 1
    • Hardcastle Burton Llp, Market Hill, Royston, SG8 9JN, England

      IIF 2
    • Lake House, Market Hill, Royston, SG8 9JN, United Kingdom

      IIF 3
  • Firth, Janet Stephanie
    British born in November 1950

    Resident in England

    Registered addresses and corresponding companies
    • Hardcastle Burton Llp, Market Hill, Royston, SG8 9JN, England

      IIF 4
    • Lake House, Market Hill, Royston, SG8 9JN, United Kingdom

      IIF 5
  • Firth, Janet Stephanie
    British secretary born in November 1950

    Resident in England

    Registered addresses and corresponding companies
    • Hardcastle Burton Llp, Market Hill, Royston, SG8 9JN, England

      IIF 6
  • Firth, Janet Stephanie
    born in November 1950

    Resident in England

    Registered addresses and corresponding companies
    • 203, West Street, Fareham, Hampshire, PO16 0EN, United Kingdom

      IIF 7
  • Firth, Janet Stephanie
    British secretary

    Registered addresses and corresponding companies
    • Crompton Road, Stevenage, Herts, SG1 2EE

      IIF 8
    • Hardcastle Burton Llp, Market Hill, Royston, SG8 9JN, England

      IIF 9
child relation
Offspring entities and appointments
Active 3
  • 1
    203 West Street, Fareham, Hampshire, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    65,820 GBP2025-03-31
    Officer
    2018-03-09 ~ now
    IIF 7 - LLP Designated Member → ME
  • 2
    STANLEY. J. MURPHY LIMITED - 1980-12-31
    Hardcastle Burton Llp, Market Hill, Royston, England
    Active Corporate (3 parents)
    Equity (Company account)
    844,610 GBP2024-06-30
    Officer
    ~ now
    IIF 4 - Director → ME
    ~ now
    IIF 9 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
  • 3
    Lake House, Market Hill, Royston, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-10-20 ~ now
    IIF 5 - Director → ME
    Person with significant control
    2025-10-20 ~ now
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 3 - Right to appoint or remove directorsOE
    IIF 3 - Ownership of shares – More than 25% but not more than 50%OE
Ceased 1
  • 1
    MARTECO LIMITED - 1980-12-31
    Hardcastle Burton Llp, Market Hill, Royston, England
    Active Corporate (2 parents)
    Equity (Company account)
    581,119 GBP2024-06-30
    Officer
    ~ 2025-05-01
    IIF 6 - Director → ME
    2000-09-15 ~ 2025-05-01
    IIF 8 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2024-10-25
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE

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