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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

Duffy, Katherine Mary

    Related profiles found in government register
  • Duffy, Katherine Mary
    British

    Registered addresses and corresponding companies
  • Duffy, Katherine Mary
    British company secretary

    Registered addresses and corresponding companies
    • icon of address Cragview, Alnmouth Road, Alnwick, Northumberland, NE66 2QG

      IIF 8
  • Duffy, Katherine Mary
    British chartered secretary born in July 1945

    Registered addresses and corresponding companies
  • Duffy, Katherine Mary
    British chartered secretsry born in July 1945

    Registered addresses and corresponding companies
    • icon of address 7 De Barowe Mews, Leigh Road, London, N5 1SB

      IIF 21
  • Duffy, Katherine Mary
    British charteredd secretary born in July 1945

    Registered addresses and corresponding companies
    • icon of address 7 De Barowe Mews, Leigh Road, London, N5 1SB

      IIF 22
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 18
  • 1
    BT THIRTY-SIX LIMITED - 1996-05-02
    icon of address 55 Baker Street, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 18 - Director → ME
  • 2
    BRITISH TELECOM ENTERPRISES LIMITED - 1993-07-08
    icon of address 55 Baker Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 21 - Director → ME
  • 3
    BT TEN LIMITED - 1988-06-24
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (4 parents, 5 offsprings)
    Officer
    icon of calendar 1997-06-02 ~ 1997-06-09
    IIF 14 - Director → ME
    icon of calendar ~ 1998-02-17
    IIF 5 - Secretary → ME
  • 4
    icon of address 55 Baker Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1997-10-17
    IIF 22 - Director → ME
  • 5
    icon of address 55 Baker Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1997-10-17
    IIF 15 - Director → ME
  • 6
    YELLOW PAGES LIMITED - 2001-06-22
    SEAMLEIGH LIMITED - 2003-04-29
    icon of address 1 More London Place, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 16 - Director → ME
  • 7
    BT FIFTY
    - now
    BT FORTY-THREE LIMITED - 1996-11-04
    BT FIFTY LIMITED - 1999-12-21
    CONCERT LIMITED - 1998-03-13
    icon of address 55 Baker Street, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 17 - Director → ME
  • 8
    BT-IAL CONTRACTING LIMITED - 1992-05-11
    BT TWENTY LIMITED - 1989-12-05
    icon of address Hill House, 1 Little New Street, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 12 - Director → ME
  • 9
    BT (FOURTH) NOMINEES LIMITED - 2001-11-05
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar ~ 1997-10-17
    IIF 19 - Director → ME
  • 10
    BT NINE LIMITED - 1988-06-24
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (5 parents, 7 offsprings)
    Officer
    icon of calendar 1997-08-20 ~ 1997-08-31
    IIF 20 - Director → ME
    icon of calendar ~ 1997-10-17
    IIF 6 - Secretary → ME
  • 11
    BT (WORLDWIDE) LIMITED - 2003-04-15
    BT ELEVEN LIMITED - 1988-05-13
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    icon of calendar 1997-08-18 ~ 1997-08-31
    IIF 13 - Director → ME
    icon of calendar 1995-07-05 ~ 2000-07-31
    IIF 8 - Secretary → ME
  • 12
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar ~ 2000-07-31
    IIF 10 - Director → ME
  • 13
    BT THIRTY - ONE LIMITED - 1990-02-12
    BRITISH TELECOM PROPERTY LIMITED - 1991-04-02
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    icon of calendar ~ 1996-03-10
    IIF 2 - Secretary → ME
  • 14
    BRITISH TELECOM RISK MANAGEMENT LIMITED - 1991-04-02
    BUSYWIDE LIMITED - 1989-04-11
    icon of address 1 More London Place, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1996-03-12
    IIF 3 - Secretary → ME
  • 15
    TELCONSULT LIMITED - 1987-08-14
    icon of address 55 Baker Street, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1995-07-26 ~ 2000-07-31
    IIF 1 - Secretary → ME
  • 16
    BRITISH TELECOM CELLULAR RADIO LIMITED - 1992-04-01
    GAMELAND LIMITED - 1984-04-24
    BT CELLULAR RADIO LIMITED - 1998-03-19
    GAMELAND LIMITED - 1982-03-02
    UNITED SATELLITES LIMITED - 1983-07-15
    icon of address 500 Brook Drive, Reading, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 1993-06-01 ~ 1995-01-20
    IIF 7 - Secretary → ME
  • 17
    BT FORTY-TWO LIMITED - 1995-12-06
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (5 parents, 168 offsprings)
    Officer
    icon of calendar 1995-11-21 ~ 2000-07-31
    IIF 9 - Director → ME
    icon of calendar 1995-02-22 ~ 1995-09-25
    IIF 11 - Director → ME
  • 18
    BT TWENTY-THREE LIMITED - 1991-10-31
    SOUTHGATE INVESTMENTS LIMITED - 1995-03-20
    icon of address 1 Braham Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar ~ 1996-01-16
    IIF 4 - Secretary → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.