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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

Barrett, John William

    Related profiles found in government register
  • Barrett, John William
    British born in June 1938

    Resident in England

    Registered addresses and corresponding companies
    • Garthur Limited, Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, LU2 8DL, England

      IIF 1
    • 10a, High Street, Welwyn, Hertfordshire, AL6 9EQ, England

      IIF 2 IIF 3
  • Barrett, John William
    British company director born in June 1938

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Appletrees, Mill Lane, Welwyn, Hertfordshire, AL6 9ES, England

      IIF 4
  • Barrett, John William
    British property developer born in June 1938

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Appletrees, Mill Lane, Welwyn, Hertfordshire, AL6 9ES, England

      IIF 5
  • Barrett, John William
    British

    Registered addresses and corresponding companies
    • Appletrees, Mill Lane, Welwyn, Hertfordshire, AL6 9ES, England

      IIF 6 IIF 7 IIF 8
  • Mr John William Barrett
    British born in June 1938

    Resident in England

    Registered addresses and corresponding companies
    • Garthur Limited, Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, LU2 8DL, England

      IIF 9 IIF 10
  • Barrett, John William

    Registered addresses and corresponding companies
    • 10a, High Street, Welwyn, Hertfordshire, AL6 9EQ, England

      IIF 11 IIF 12
    • Appletrees, Mill Lane, Welwyn, Hertfordshire, AL6 9ES, England

      IIF 13
child relation
Offspring entities and appointments
Active 3
  • 1
    Garthur Limited Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, England
    Active Corporate (2 parents)
    Equity (Company account)
    -1,775 GBP2024-06-30
    Officer
    2009-08-29 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 9 - Ownership of shares – More than 25% but not more than 50%OE
  • 2
    KNOCKFREE LIMITED - 1985-03-08
    Garthur Limited Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    -96,157 GBP2024-06-30
    Officer
    ~ now
    IIF 2 - Director → ME
    ~ now
    IIF 12 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 10 - Ownership of shares – More than 25% but not more than 50%OE
  • 3
    Garthur Limited Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, England
    Active Corporate (3 parents)
    Equity (Company account)
    -523 GBP2024-06-30
    Officer
    ~ now
    IIF 3 - Director → ME
    ~ now
    IIF 11 - Secretary → ME
Ceased 4
  • 1
    16 Mimram Place, Welwyn, Herts
    Active Corporate (4 parents)
    Officer
    1994-12-22 ~ 1998-01-14
    IIF 13 - Secretary → ME
  • 2
    11 Garden Court, Welwyn Garden City, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -340,300 GBP2022-09-30
    Officer
    ~ 1996-10-01
    IIF 4 - Director → ME
    ~ 1996-10-01
    IIF 7 - Secretary → ME
  • 3
    WELWYN ASSOCIATES LIMITED - 2000-05-04
    2 Digswell Hill, Welwyn, Hertfordshire, England
    Dissolved Corporate (1 parent)
    Officer
    1993-10-06 ~ 1997-05-01
    IIF 8 - Secretary → ME
  • 4
    Garthur Limited Basepoint Business Centre, 110 Butterfield, Great Marling’s, Luton, Bedfordshire, England
    Active Corporate (7 parents)
    Equity (Company account)
    12,069 GBP2024-09-30
    Officer
    1992-07-10 ~ 1996-08-23
    IIF 5 - Director → ME
    1992-07-10 ~ 1996-08-23
    IIF 6 - Secretary → ME

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