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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

Mr William James Byrne

    Related profiles found in government register
  • Mr William James Byrne
    Irish born in August 1983

    Resident in England

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, Kensal Rise, London, NW10 3JE

      IIF 1
    • 40, Chamberlayne Road, London, NW10 3JE, England

      IIF 2
  • Mr William James Byrne
    Irish born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Bradfield House, Scratchface Lane, Bradfield, Reading, Berkshire, RG7 6DL, England

      IIF 3
  • Byrne, William James
    Irish born in August 1983

    Resident in England

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, Kensal Rise, London, NW10 3JE

      IIF 4
  • William James Byrne
    Irish born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Lynton House, 7-12 Tavistock Square, London, WC1H 9BQ, United Kingdom

      IIF 5
  • Byrne, William James
    Irish born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Brickworks, Spring Garden Lane, Off Shootersway, Berkhamsted, HP4 3GY, England

      IIF 6
    • Lynton House, 7-12 Tavistock Square, London, WC1H 9BQ, United Kingdom

      IIF 7
  • Byrne, William James
    Irish company director born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 53, Great Suffolk Street, London, SE1 0DB, England

      IIF 8
  • Byrne, William James
    Irish director born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, London, NW10 3JE, England

      IIF 9
  • Byrne, William James
    Irish

    Registered addresses and corresponding companies
    • 40, Chamberlayne Road, Kensal Rise, London, NW10 3JE

      IIF 10
  • Byrne, William James
    born in August 1983

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Bradfield House, Scratchface Lane, Bradfield, Reading, Berkshire, RG7 6DL, England

      IIF 11
child relation
Offspring entities and appointments
Active 5
  • 1
    40 Chamberlayne Road, London, United Kingdom
    Active Corporate (2 parents)
    Officer
    2021-10-21 ~ now
    IIF 11 - LLP Designated Member → ME
    Person with significant control
    2021-10-21 ~ now
    IIF 3 - Right to appoint or remove membersOE
  • 2
    40, Chamberlayne Road, London, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    100 GBP2022-04-30
    Officer
    2016-06-24 ~ dissolved
    IIF 9 - Director → ME
    Person with significant control
    2017-04-07 ~ dissolved
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
  • 3
    Lynton House, 7-12 Tavistock Square, London, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    100 GBP2024-05-31
    Officer
    2022-05-05 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2022-05-05 ~ now
    IIF 5 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 5 - Ownership of shares – More than 25% but not more than 50%OE
  • 4
    40 Chamberlayne Road, Kensal Rise, London
    Active Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    6,174,969 GBP2024-05-31
    Officer
    2006-12-21 ~ now
    IIF 4 - Director → ME
    2006-12-21 ~ now
    IIF 10 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
  • 5
    The Brickworks, Spring Garden Lane, Off Shootersway, Berkhamsted, England
    Active Corporate (4 parents)
    Equity (Company account)
    5,672,298 GBP2020-05-31
    Officer
    2016-02-29 ~ now
    IIF 6 - Director → ME
Ceased 1
  • 1
    BYRNE GROUP P.L.C. - 2017-10-11
    BYRNE BROS. (HOLDINGS) LIMITED - 1989-12-22
    BARZAC PROPERTIES LIMITED - 1978-12-31
    53 Great Suffolk Street, London, England
    Active Corporate (5 parents, 9 offsprings)
    Officer
    2008-12-03 ~ 2017-06-23
    IIF 8 - Director → ME

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