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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

Testler, Michael John

    Related profiles found in government register
  • Testler, Michael John
    British born in May 1944

    Resident in England

    Registered addresses and corresponding companies
    • 64, Highgate High Street, London, N6 5HX, United Kingdom

      IIF 1
  • Testler, Michael John
    British chartered surveyor born in May 1944

    Resident in England

    Registered addresses and corresponding companies
  • Testler, Michael John
    British chartered surveyor

    Registered addresses and corresponding companies
    • 14 Sheldon Avenue, London, N6 4JT

      IIF 13
  • Mr Michael John Testler
    British born in May 1944

    Resident in England

    Registered addresses and corresponding companies
    • Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, CM23 3BT, United Kingdom

      IIF 14
    • 64, Highgate High Street, London, N6 5HX, United Kingdom

      IIF 15 IIF 16 IIF 17
  • Testler, Michael John

    Registered addresses and corresponding companies
    • 14 Sheldon Avenue, London, N6 4JT

      IIF 19
    • 64, Highgate High Street, London, N6 5HX, United Kingdom

      IIF 20
  • Mr Michael John Testler
    British born in May 1944

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 64, Highgate High Street, London, N6 5HX, United Kingdom

      IIF 21
child relation
Offspring entities and appointments 12
  • 1
    BROOKOAK LIMITED
    03553738
    7th Floor, Dashwood House, 69 Old Broad Street, London
    Dissolved Corporate (5 parents)
    Officer
    1998-05-11 ~ dissolved
    IIF 5 - Director → ME
    1998-05-11 ~ 1998-08-19
    IIF 13 - Secretary → ME
  • 2
    CASTLEBROOK HOLDINGS LIMITED
    - now 00917458
    MICHAEL TESTLER & CO. LIMITED
    - 1994-04-01 00917458 02840408
    MICHAEL TESTLER AND COMPANY LIMITED
    - 1991-05-13 00917458
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (6 parents, 2 offsprings)
    Officer
    (before 1991-02-16) ~ 2023-04-25
    IIF 12 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 15 - Right to appoint or remove directors OE
    IIF 15 - Ownership of shares – 75% or more OE
    IIF 15 - Ownership of voting rights - 75% or more OE
  • 3
    CASTLEBROOK PROPERTIES LIMITED
    01161188
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (6 parents)
    Officer
    (before 1991-02-16) ~ 2023-04-25
    IIF 7 - Director → ME
  • 4
    DARUNA PROPERTIES LIMITED
    03512789
    7th Floor, Dashwood House, 69 Old Broad Street, London
    Dissolved Corporate (5 parents)
    Officer
    1998-02-18 ~ dissolved
    IIF 10 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 17 - Ownership of voting rights - 75% or more OE
    IIF 17 - Ownership of shares – 75% or more OE
    IIF 17 - Right to appoint or remove directors OE
  • 5
    MICHAEL TESTLER & CO. LIMITED
    - now 02840408 00917458
    SHELFCORP 50 LIMITED
    - 1994-04-01 02840408 02603873... (more)
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (7 parents)
    Officer
    1994-03-21 ~ 1997-05-29
    IIF 6 - Director → ME
    2010-01-01 ~ 2023-04-25
    IIF 20 - Secretary → ME
    1994-03-21 ~ 1996-07-25
    IIF 19 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 21 - Right to appoint or remove directors OE
    IIF 21 - Ownership of shares – 75% or more OE
    IIF 21 - Ownership of voting rights - 75% or more OE
  • 6
    MICHAEL TESTLER PROPERTY SERVICES LIMITED
    - now 02329705
    MICHAEL TESTLER MANAGEMENT SERVICES LIMITED
    - 1997-06-06 02329705
    MICHAEL TESTLER MANAGEMENT SERVICES LIMITED
    - 1997-06-02 02329705
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (4 parents)
    Officer
    (before 1993-02-20) ~ 2023-04-25
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 18 - Right to appoint or remove directors OE
    IIF 18 - Ownership of shares – 75% or more OE
    IIF 18 - Ownership of voting rights - 75% or more OE
  • 7
    NADAN PROPERTIES LIMITED
    03188790
    Dashwood House 7th Floor, 69 Old Broad Street, London
    Dissolved Corporate (5 parents)
    Officer
    1996-04-22 ~ dissolved
    IIF 4 - Director → ME
  • 8
    PORTHOME LIMITED
    03243870
    Dashwood House 7th Floor, 69 Old Broad Street, London
    Dissolved Corporate (6 parents)
    Officer
    1996-10-21 ~ 2012-02-15
    IIF 3 - Director → ME
  • 9
    ROYLETEST LIMITED
    01462205
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (6 parents)
    Officer
    ~ 2023-04-25
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 14 - Right to appoint or remove directors OE
    IIF 14 - Ownership of shares – 75% or more OE
    IIF 14 - Ownership of voting rights - 75% or more OE
  • 10
    TELECOM TOWER INVESTMENTS LIMITED
    04006172
    3rd Floor, 167 Fleet Street, London
    Dissolved Corporate (4 parents)
    Officer
    2000-06-01 ~ dissolved
    IIF 2 - Director → ME
  • 11
    TELECOM TOWER PROPERTIES LIMITED
    04001978
    24 Old Bond Street, London, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    2000-05-25 ~ dissolved
    IIF 11 - Director → ME
  • 12
    TOWERGLEN LIMITED
    03755214
    Causeway House, 1 Dane Street, Bishops Stortford, Hertfordshire, United Kingdom
    Active Corporate (8 parents)
    Officer
    1999-06-14 ~ 2023-04-25
    IIF 8 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 16 - Right to appoint or remove directors OE
    IIF 16 - Ownership of shares – 75% or more OE
    IIF 16 - Ownership of voting rights - 75% or more OE

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.