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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

Mccallum, Heather

child relation
Offspring entities and appointments 17
  • 1
    A&O SHEARMAN (LEGAL ADVISERS) LIMITED - now
    A&O (LEGAL ADVISERS) LIMITED
    - 2024-05-01 07860771 02704700
    One Bishops Square, London
    Active Corporate (11 parents, 1 offspring)
    Officer
    2011-11-25 ~ 2014-01-08
    IIF 15 - Secretary → ME
  • 2
    A.O. SERVICES
    00627023
    One, Bishops Square, London
    Active Corporate (19 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 4 - Secretary → ME
  • 3
    ALLEN & OVERY (LONDON) LIMITED - now
    ALLEN OVERY SHEARMAN STERLING LIMITED - 2024-04-30
    ALLEN & OVERY (LONDON) LIMITED
    - 2024-04-17 02888048
    ALLEN & OVERY
    - 2004-01-30 02888048 02158783... (more)
    One, Bishops Square, London
    Active Corporate (16 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 11 - Secretary → ME
  • 4
    ALLEN & OVERY (OVERSEAS) LIMITED
    07462833
    One Bishops Square, London
    Dissolved Corporate (6 parents)
    Officer
    2010-12-09 ~ 2014-01-08
    IIF 13 - Secretary → ME
  • 5
    ALLEN & OVERY LEGAL SERVICES
    02874608
    One, Bishops Square, London
    Dissolved Corporate (32 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 5 - Secretary → ME
  • 6
    One, Bishops Square, London
    Dissolved Corporate (4 parents)
    Officer
    2005-05-16 ~ 2014-01-08
    IIF 12 - Secretary → ME
  • 7
    ALLEN OVERY SHEARMAN STERLING (HOLDINGS) LIMITED - now
    ALLEN & OVERY (HOLDINGS) LIMITED
    - 2024-05-01 07462870 07462847
    ALLEN & OVERY (ASIA) LIMITED
    - 2011-02-09 07462870 07462847
    One Bishops Square, London
    Active Corporate (17 parents, 4 offsprings)
    Officer
    2010-12-09 ~ 2014-01-08
    IIF 17 - Secretary → ME
  • 8
    ALLEN OVERY SHEARMAN STERLING (LEGAL ADVISERS) LIMITED - now
    ALLEN & OVERY (LEGAL ADVISERS) LIMITED
    - 2024-05-01 02704700
    A & O (LEGAL ADVISERS) LIMITED
    - 2011-11-23 02704700 07860771
    One, Bishops Square, London
    Active Corporate (19 parents, 6 offsprings)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 10 - Secretary → ME
  • 9
    ALLEN OVERY SHEARMAN STERLING (SSF) LIMITED - now
    ALLEN & OVERY (SSF) LIMITED
    - 2024-05-01 07462843
    One Bishops Square, London
    Active Corporate (12 parents)
    Officer
    2010-12-09 ~ 2014-01-08
    IIF 14 - Secretary → ME
  • 10
    ALLEN OVERY SHEARMAN STERLING PENSION TRUSTEE LIMITED - now
    ALLEN & OVERY PENSION TRUSTEE LIMITED
    - 2024-05-01 01345927
    One, Bishops Square, London
    Active Corporate (41 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 8 - Secretary → ME
  • 11
    ALLEN OVERY SHEARMAN STERLING SERVICE COMPANY LIMITED - now
    ALLEN & OVERY SERVICE COMPANY LIMITED
    - 2024-05-01 02158783
    ALLEN & OVERY - 1994-01-11
    One, Bishops Square, London
    Active Corporate (21 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 7 - Secretary → ME
  • 12
    ALNERY INCORPORATIONS NO. 1 LIMITED
    02414443 02414459
    One, Bishops Square, London
    Dissolved Corporate (19 parents, 1088 offsprings)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 3 - Secretary → ME
  • 13
    ALNERY INCORPORATIONS NO. 2 LIMITED
    02414459 02414443
    One, Bishops Square, London
    Dissolved Corporate (19 parents, 1031 offsprings)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 2 - Secretary → ME
  • 14
    DERIVATIVE SERVICES LIMITED
    05453356 OC301462
    One, Bishops Square, London
    Dissolved Corporate (4 parents)
    Officer
    2005-05-16 ~ 2014-01-08
    IIF 6 - Secretary → ME
  • 15
    NEWCHANGE LIMITED
    - now 03870683
    ALNERY NO. 1924 LIMITED - 1999-12-22
    One, Bishops Square, London
    Dissolved Corporate (16 parents)
    Officer
    2003-07-31 ~ 2014-01-08
    IIF 1 - Secretary → ME
  • 16
    PEERPOINT LIMITED - now
    ALLEN & OVERY (ASIA) LIMITED
    - 2020-02-26 07462847 07462870
    ALLEN & OVERY (HOLDINGS) LIMITED
    - 2011-02-09 07462847 07462870
    One Bishops Square, London
    Active Corporate (13 parents, 1 offspring)
    Officer
    2010-12-09 ~ 2014-01-08
    IIF 16 - Secretary → ME
  • 17
    SPITALFIELDS PROJECTS LIMITED
    05453357 OC305484
    One, Bishops Square, London
    Dissolved Corporate (4 parents)
    Officer
    2005-05-16 ~ 2014-01-08
    IIF 9 - Secretary → ME

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