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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Crystal, David

    Related profiles found in government register
  • Crystal, David
    British

    Registered addresses and corresponding companies
    • 1st Floor, Gallery Court, 28 Arcadia Avenue, London, N3 2FG, United Kingdom

      IIF 1
    • Gable House 239, Regents Park Road, London, N3 3LF

      IIF 2
  • Crystal, David

    Registered addresses and corresponding companies
    • 15 Hamilton House, 1 Hall Road, London, NW8 9PN, United Kingdom

      IIF 3
    • 1st Floor, Gallery Court, 28 Arcadia Avenue, London, N3 2FG, United Kingdom

      IIF 4 IIF 5
  • Crystal, David
    Canadian director

    Registered addresses and corresponding companies
    • Flat 15 Hamilton House, 1 Hall Road, London, NW8 9PN

      IIF 6 IIF 7
  • Crystal, David
    Canadian born in January 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 1st Floor, Gallery Court, 28 Arcadia Avenue, London, N3 2FG, United Kingdom

      IIF 8 IIF 9
  • Crystal, David
    Canadian company director born in January 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 39, Hamilton House, 1 Hall Road, London, NW8 9PN, United Kingdom

      IIF 10
  • Crystal, David
    Canadian director born in January 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Flat 15 Hamilton House, 1 Hall Road, London, NW8 9PN

      IIF 11
  • Crystal, David
    Canadian direrctor born in January 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 5 Beaumont Gate, Shenley Hill, Radlett, Herts, WD7 7AR, United Kingdom

      IIF 12
  • Mr David Crystal
    Canadian born in January 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 1st Floor Gallery Court, 28 Arcadia Avenue, London, N3 2FG, United Kingdom

      IIF 13 IIF 14
child relation
Offspring entities and appointments 4
  • 1
    CLEANTECH ENERGIES LIMITED
    - now 03066585
    DOVER MANAGEMENT LIMITED
    - 2008-10-02 03066585
    CHECKMATE CONSULTING LIMITED
    - 1995-06-20 03066585
    1st Floor Gallery Court, 28 Arcadia Avenue, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    1995-06-13 ~ 2004-04-01
    IIF 11 - Director → ME
    2009-05-01 ~ now
    IIF 8 - Director → ME
    2025-01-21 ~ now
    IIF 5 - Secretary → ME
    2011-10-03 ~ 2025-01-20
    IIF 1 - Secretary → ME
    1995-06-13 ~ 2004-04-01
    IIF 7 - Secretary → ME
    Person with significant control
    2016-06-09 ~ now
    IIF 13 - Right to appoint or remove directors OE
    IIF 13 - Ownership of voting rights - 75% or more OE
    IIF 13 - Ownership of shares – 75% or more OE
  • 2
    HAMILTON HOUSE RTM COMPANY LIMITED
    05281439
    Nagler Simmons, 5 Beaumont Gate, Shenley Hill, Radlett, Hertfordshire
    Active Corporate (17 parents)
    Officer
    2010-07-22 ~ 2017-02-24
    IIF 10 - Director → ME
    2019-01-23 ~ 2024-09-24
    IIF 12 - Director → ME
  • 3
    INVESTMENT & PORTFOLIO CONSULTANTS LIMITED
    - now 03069488
    INVESTMENT AND CURRENCY CONSULTANTS LIMITED
    - 1996-10-16 03069488
    TRACKBLEND LIMITED
    - 1995-07-05 03069488
    1st Floor Gallery Court, 28 Arcadia Avenue, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    1995-06-22 ~ now
    IIF 9 - Director → ME
    2011-06-18 ~ 2025-01-20
    IIF 2 - Secretary → ME
    1995-06-22 ~ 2004-04-01
    IIF 6 - Secretary → ME
    2025-01-21 ~ now
    IIF 4 - Secretary → ME
    Person with significant control
    2016-06-19 ~ now
    IIF 14 - Ownership of voting rights - 75% or more OE
    IIF 14 - Ownership of shares – 75% or more OE
    IIF 14 - Right to appoint or remove directors OE
  • 4
    SARART LIMITED
    13580053
    15 Hamilton House 1 Hall Road, London, United Kingdom
    Active Corporate (2 parents)
    Officer
    2021-08-23 ~ now
    IIF 3 - Secretary → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.