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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

Carr, Martin

    Related profiles found in government register
  • Carr, Martin
    British operations director

    Registered addresses and corresponding companies
    • 15 Dearne Close, Stanmore, Middlesex, HA7 3AT

      IIF 1
  • Carr, Joel Martin
    British

    Registered addresses and corresponding companies
    • 15 Dearne Close, Stanmore, Middlesex, HA7 3AT

      IIF 2
  • Carr, Joel Martin
    British operations director

    Registered addresses and corresponding companies
  • Carr, Joel Martin

    Registered addresses and corresponding companies
    • 15 Dearne Close, Stanmore, Middlesex, HA7 3AT

      IIF 10
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 10
  • 1
    INTERPHONE (BIRMINGHAM) LIMITED
    - now Appointment / Control
    INTERPHONE (JEH) LIMITED - 2002-10-10
    JEH COMMUNICATIONS LIMITED - 1999-09-14
    DUTYBAND LIMITED - 1997-07-25
    YELLOWLINES LTD - 1996-09-03
    4th Floor, Leconfield House Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 5 - Secretary → ME
  • 2
    INTERPHONE (CCTV) LIMITED
    - now Appointment / Control
    FINEX (OVERSEAS) LIMITED - 1999-05-11
    4th Floor, Leconfield House Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 8 - Secretary → ME
  • 3
    INTERPHONE (DIGITAL) LIMITED
    - now Appointment / Control
    INTERPHONE INTEGRATED SYSTEMS LIMITED - 2000-03-29
    INTERPHONE SECURIDOOR LIMITED - 1995-07-25
    INTERPHONE (S.E.) LIMITED - 1992-11-12
    BRIAN WARD KNITWEAR LIMITED - 1979-12-31
    4th Floor Leconfield House, Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 3 - Secretary → ME
  • 4
    INTERPHONE (IBEX) LIMITED
    - now Appointment / Control
    IBEX TELEPHONES & TELECOMMUNICATIONS LIMITED - 1997-12-29
    Interphone House, 12-22 Herga Road, Wealdstone Harrow, Middlesex
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 4 - Secretary → ME
  • 5
    INTERPHONE (SENTRYMATIC) LIMITED
    - now Appointment / Control
    SENTRYMATIC LIMITED - 1999-01-04
    YALE SENTRYMATIC LIMITED - 1991-03-12
    SENTRYMATIC BRITANNIA LIMITED - 1990-08-20
    SENTRYMATIC (BRITANNIA) LIMITED - 1986-04-09
    4th Floor, Leconfield House Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 9 - Secretary → ME
  • 6
    INTERPHONE (SM) LIMITED
    - now Appointment / Control
    INTERPHONE SILK & MACKMAN LIMITED - 1997-07-25
    SILK & MACKMAN INTERCOM SERVICES LIMITED - 1992-02-17
    4th Floor Leconfield House, Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 7 - Secretary → ME
  • 7
    INTERPHONE LIMITED
    Appointment / Control
    The Pavilion Grange Drive, Hedge End, Southampton, England
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    517,391 GBP2024-05-31
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 6 - Secretary → ME
  • 8
    ISG FINANCE LIMITED
    - now Appointment / Control
    IBIS (971) LIMITED - 2006-03-31
    Related registrations: 04310588, 05394651
    Interphone House, 12-22 Herga Road Wealdstone, Harrow, Middlesex
    Dissolved Corporate (2 parents)
    Officer
    2007-02-23 ~ 2008-06-30
    IIF 1 - Secretary → ME
  • 9
    ISG MAINTENANCE LIMITED
    - now Appointment / Control
    SHELFCO (NO. 3347) LIMITED - 2007-01-25 Appointment / Control
    4th Floor, Leconfield House Curzon Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2007-01-25 ~ 2008-06-30
    IIF 2 - Secretary → ME
  • 10
    INTERPHONE SECURITY GROUP LIMITED - 2023-08-11 Appointment / Control
    INTERPHONE SECURITY GROUP PLC - 2005-10-14
    TROLLPRINT LIMITED - 1988-08-31
    Berkeley House, 304, Regents Park Road, London, England
    Active Corporate (5 parents)
    Officer
    2006-08-01 ~ 2008-06-30
    IIF 10 - Secretary → ME

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