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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

Duffy, Katherine Mary

    Related profiles found in government register
  • 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
    • 7 De Barowe Mews, Leigh Road, London, N5 1SB

      IIF 13
  • Duffy, Katherine Mary
    British charteredd secretary born in July 1945

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

      IIF 14
  • Duffy, Katherine Mary
    British

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

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

      IIF 22
child relation
Offspring entities and appointments 18
  • 1
    ALBACOM HOLDINGS - now
    BT THIRTY-SIX LIMITED
    - 1996-05-02 02603349
    55 Baker Street, London
    Dissolved Corporate (43 parents)
    Officer
    1995-02-22 ~ 1995-09-25
    IIF 10 - Director → ME
  • 2
    BRITISH TELECOM
    - now 01626499
    BRITISH TELECOM ENTERPRISES LIMITED - 1993-07-08
    55 Baker Street, London
    Dissolved Corporate (17 parents)
    Officer
    1995-02-22 ~ 1995-09-25
    IIF 13 - Director → ME
  • 3
    BT (INTERNATIONAL) HOLDINGS LIMITED
    - now 02216586
    BT TEN LIMITED
    - 1988-06-24 02216586
    1 Braham Street, London, United Kingdom
    Active Corporate (33 parents, 7 offsprings)
    Officer
    1997-06-02 ~ 1997-06-09
    IIF 6 - Director → ME
    ~ 1998-02-17
    IIF 19 - Secretary → ME
  • 4
    BT (SECOND) NOMINEES LIMITED
    02444635
    55 Baker Street, London
    Dissolved Corporate (17 parents)
    Officer
    ~ 1997-10-17
    IIF 14 - Director → ME
  • 5
    BT (THIRD) NOMINEES LIMITED
    02450492
    55 Baker Street, London
    Dissolved Corporate (17 parents)
    Officer
    ~ 1997-10-17
    IIF 7 - Director → ME
  • 6
    BT (WORLDWIDE) LIMITED - now
    SEAMLEIGH LIMITED - 2003-04-29
    YELLOW PAGES LIMITED
    - 2001-06-22 01976244
    1 More London Place, London
    Dissolved Corporate (18 parents)
    Officer
    1995-02-22 ~ 1995-09-25
    IIF 8 - Director → ME
  • 7
    BT FIFTY - now
    BT FIFTY LIMITED - 1999-12-21
    CONCERT LIMITED - 1998-03-13
    BT FORTY-THREE LIMITED
    - 1996-11-04 02604361
    55 Baker Street, London
    Dissolved Corporate (27 parents)
    Officer
    1995-02-22 ~ 1995-09-25
    IIF 9 - Director → ME
  • 8
    BT FORTY-SIX
    - now 02325907 04007415
    BT-IAL CONTRACTING LIMITED - 1992-05-11
    BT TWENTY LIMITED - 1989-12-05
    Hill House, 1 Little New Street, London
    Dissolved Corporate (17 parents)
    Officer
    1995-02-22 ~ 1995-09-25
    IIF 4 - Director → ME
  • 9
    BT GROUP NOMINEES LIMITED - now
    BT (FOURTH) NOMINEES LIMITED
    - 2001-11-05 02444638
    1 Braham Street, London, United Kingdom
    Active Corporate (21 parents)
    Officer
    ~ 1997-10-17
    IIF 11 - Director → ME
  • 10
    BT HOLDINGS LIMITED
    - now 02216773 02401642
    BT NINE LIMITED
    - 1988-06-24 02216773
    1 Braham Street, London, United Kingdom
    Active Corporate (32 parents, 10 offsprings)
    Officer
    1997-08-20 ~ 1997-08-31
    IIF 12 - Director → ME
    ~ 1997-10-17
    IIF 20 - Secretary → ME
  • 11
    BT LIMITED - now
    BT (WORLDWIDE) LIMITED
    - 2003-04-15 02216369 01976244
    BT ELEVEN LIMITED - 1988-05-13
    1 Braham Street, London, United Kingdom
    Active Corporate (47 parents)
    Officer
    1997-08-18 ~ 1997-08-31
    IIF 5 - Director → ME
    1995-07-05 ~ 2000-07-31
    IIF 22 - Secretary → ME
  • 12
    BT NOMINEES LIMITED
    02057653
    1 Braham Street, London, United Kingdom
    Active Corporate (30 parents, 3 offsprings)
    Officer
    ~ 2000-07-31
    IIF 2 - Director → ME
  • 13
    BT PROPERTY LIMITED
    - now 02410818
    BRITISH TELECOM PROPERTY LIMITED
    - 1991-04-02 02410818
    BT THIRTY - ONE LIMITED
    - 1990-02-12 02410818
    1 Braham Street, London, United Kingdom
    Active Corporate (35 parents)
    Officer
    ~ 1996-03-10
    IIF 16 - Secretary → ME
  • 14
    BT RISK MANAGEMENT LIMITED
    - now 02296498
    BRITISH TELECOM RISK MANAGEMENT LIMITED
    - 1991-04-02 02296498
    BUSYWIDE LIMITED
    - 1989-04-11 02296498
    1 More London Place, London
    Dissolved Corporate (14 parents)
    Officer
    ~ 1996-03-12
    IIF 17 - Secretary → ME
  • 15
    BT TELCONSULT LIMITED
    - now 01487189
    TELCONSULT LIMITED - 1987-08-14
    55 Baker Street, London
    Dissolved Corporate (37 parents)
    Officer
    1995-07-26 ~ 2000-07-31
    IIF 15 - Secretary → ME
  • 16
    CELLULAR RADIO LIMITED - now
    BT CELLULAR RADIO LIMITED
    - 1998-03-19 01612599
    BRITISH TELECOM CELLULAR RADIO LIMITED - 1992-04-01
    GAMELAND LIMITED - 1984-04-24
    UNITED SATELLITES LIMITED - 1983-07-15
    GAMELAND LIMITED - 1982-03-02
    500 Brook Drive, Reading, United Kingdom
    Active Corporate (25 parents)
    Officer
    1993-06-01 ~ 1995-01-20
    IIF 21 - Secretary → ME
  • 17
    NEWGATE STREET SECRETARIES LIMITED
    - now 02604359
    BT FORTY-TWO LIMITED
    - 1995-12-06 02604359
    1 Braham Street, London, United Kingdom
    Active Corporate (52 parents, 217 offsprings)
    Officer
    1995-11-21 ~ 2000-07-31
    IIF 1 - Director → ME
    1995-02-22 ~ 1995-09-25
    IIF 3 - Director → ME
  • 18
    SOUTHGATE DEVELOPMENTS LIMITED
    - now 02325912
    SOUTHGATE INVESTMENTS LIMITED
    - 1995-03-20 02325912
    BT TWENTY-THREE LIMITED
    - 1991-10-31 02325912
    1 Braham Street, London, United Kingdom
    Active Corporate (40 parents)
    Officer
    ~ 1996-01-16
    IIF 18 - Secretary → ME

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