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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 Jack Joseph Masri

    Related profiles found in government register
  • Mr Jack Joseph Masri
    British born in October 1958

    Resident in England

    Registered addresses and corresponding companies
    • C/o Stiles Harold Williams Partnership Llp, Lees House, Dyke Road, Brighton, BN1 3FE, England

      IIF 1
    • 50, Seymour Street, London, W1H 7JG

      IIF 2
  • Masri, Jack Joseph
    British born in October 1958

    Resident in England

    Registered addresses and corresponding companies
    • 50 Seymour Street, Seymour Street, London, W1H 7JG, England

      IIF 3
    • Flat 1, 24 Eaton Place, London, SW1X 8AE, United Kingdom

      IIF 4
  • Masri, Jack Joseph
    British company director born in October 1958

    Resident in England

    Registered addresses and corresponding companies
    • Lane House, 24 Parsons Green Lane, London, SW6 4HS, United Kingdom

      IIF 5
  • Masri, Jack Joseph
    British fund management born in October 1958

    Resident in England

    Registered addresses and corresponding companies
    • Flat 1 24 Eaton Place, London, SW1X 8AE

      IIF 6
  • Masri, Jack Joseph
    born in October 1958

    Resident in England

    Registered addresses and corresponding companies
    • 24, Eaton Place, London, SW1X 8AE

      IIF 7
  • Masri, Jack Joseph
    British investment banker born in October 1958

    Registered addresses and corresponding companies
    • 17 Chapel Street, London, SW1X 7BY

      IIF 8
  • Masri, Jack Joseph
    born in October 1958

    Registered addresses and corresponding companies
    • 17 Chapel Street, London, SW1X 7BY

      IIF 9
  • Masri, Jack
    British investment management born in October 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 8 York House, York House Place, London, W8 4EY

      IIF 10
child relation
Offspring entities and appointments
Active 2
  • 1
    C/o Stiles Harold Williams Partnership Llp Lees House, Dyke Road, Brighton, England
    Active Corporate (5 parents)
    Officer
    2012-09-11 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2024-04-16 ~ now
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 2
    50 Seymour Street, London
    Active Corporate (3 parents)
    Equity (Company account)
    7,072,823 GBP2024-03-31
    Officer
    2014-06-17 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2019-11-25 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50%OE
Ceased 6
  • 1
    47 Chester Row, London, England
    Active Corporate (4 parents)
    Officer
    2002-10-28 ~ 2003-03-31
    IIF 9 - LLP Member → ME
  • 2
    CASTLE HARBOUR SECURITIES LLP - 2020-10-03
    SOFAER GLOBAL RESEARCH (UK) LLP - 2012-08-16
    SOFAER GLOBAL RESEARCH LLP - 2008-12-01
    Hunter House, 109 Snakes Lane, Woodford Green, Essex
    Liquidation Corporate (2 parents)
    Net Assets/Liabilities (Company account)
    633,852 GBP2020-03-31
    Officer
    2008-12-01 ~ 2010-07-08
    IIF 7 - LLP Member → ME
  • 3
    UNIGESTION ASSET MANAGEMENT (UK) LIMITED - 2000-09-29
    123 Victoria Street, 2nd Floor, Myo, London, England
    Active Corporate (4 parents)
    Officer
    2000-03-01 ~ 2002-03-31
    IIF 8 - Director → ME
  • 4
    Lane House, 24 Parsons Green Lane, London
    Active Corporate (5 parents, 1 offspring)
    Equity (Company account)
    1,428,562 GBP2024-03-31
    Officer
    2004-03-05 ~ 2025-08-20
    IIF 10 - Director → ME
  • 5
    Lane House, 24 Parsons Green Lane, London, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    0 GBP2024-03-24
    Officer
    2020-02-05 ~ 2025-08-20
    IIF 5 - Director → ME
  • 6
    Lane House, 24 Parsons Green Lane, London, England
    Active Corporate (7 parents)
    Equity (Company account)
    31 GBP2024-03-24
    Officer
    2006-06-23 ~ 2025-08-20
    IIF 6 - Director → ME

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