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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

Mcdonald, Susan Rebecca

    Related profiles found in government register
  • Mcdonald, Susan Rebecca
    British born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 12, Conduit Street, London, W1S 2XH, England

      IIF 1
  • Mcdonald, Susan Rebecca
    British chairman calculus capital born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 104, Park Street, London, W1K 6NF, England

      IIF 2
  • Mcdonald, Susan Rebecca
    British non executive director born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 66-67, Sun Court, Cornhill, London, EC3V 3NB, United Kingdom

      IIF 3
  • Macdonald, Susan
    British chairman calculus capital born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 104, Park Street, London, W1K 6NF, England

      IIF 4
  • Mrs Susan Rebecca Mcdonald
    British born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 12, Conduit Street, London, W1S 2XH, England

      IIF 5
  • Mcdonald, Susan Rebecca
    American born in December 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 12, Conduit Street, London, W1S 2XH, England

      IIF 6 IIF 7
  • Mcdonald, Susan Rebecca
    American director born in December 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mcdonald, Susan Rebecca
    United States chairman born in December 1955

    Resident in Great Britain

    Registered addresses and corresponding companies
    • 47 Chepstow Place, London, W2 4TS

      IIF 13
child relation
Offspring entities and appointments 11
  • 1
    BRIGANTES ENERGY LIMITED
    - now 06759861
    IS E&P LIMITED
    - 2011-09-27 06759861
    INFRASTRATA TRADING LIMITED - 2010-12-13
    PORTLAND ENERGY LIMITED - 2009-07-09
    5th Floor Grove House, 248a Marylebone Road, London
    Dissolved Corporate (8 parents)
    Officer
    2011-03-31 ~ 2015-07-20
    IIF 4 - Director → ME
  • 2
    CALCULUS ASSET MANAGEMENT LIMITED
    04242434
    12 Conduit Street, London, England
    Active Corporate (10 parents, 2 offsprings)
    Officer
    2001-06-27 ~ 2023-04-28
    IIF 11 - Director → ME
  • 3
    CALCULUS CAPITAL LIMITED
    - now 03861194
    MCDONALD GLENCROSS LIMITED
    - 2005-03-29 03861194 04321288... (more)
    MCDONALD-GLENCROSS LIMITED
    - 2004-12-23 03861194 03487328... (more)
    12 Conduit Street, London, England
    Active Corporate (15 parents, 7 offsprings)
    Officer
    1999-10-19 ~ now
    IIF 7 - Director → ME
  • 4
    CALCULUS CAPITAL PARTNERS LIMITED
    04321292
    12 Conduit Street, London, England
    Active Corporate (8 parents)
    Officer
    2001-11-12 ~ 2023-04-28
    IIF 12 - Director → ME
  • 5
    CALCULUS GROUP LIMITED
    - now 06544557
    CALCULUS HOLDINGS LIMITED
    - 2025-07-30 06544557
    12 Conduit Street, London, England
    Active Corporate (5 parents, 2 offsprings)
    Officer
    2008-03-26 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 5 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 5 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 6
    CALCULUS MEDIA LIMITED
    - now 06888387
    CALMEDIA ENTERTAINMENT LIMITED
    - 2024-07-17 06888387
    CALCULUS ADVISORY LIMITED
    - 2024-06-03 06888387
    12 Conduit Street, London, England
    Active Corporate (9 parents)
    Officer
    2009-04-27 ~ 2023-04-26
    IIF 9 - Director → ME
    2024-07-04 ~ 2025-11-10
    IIF 1 - Director → ME
  • 7
    CALCULUS NOMINEES LIMITED
    - now 04327065
    MGL NOMINEES LIMITED
    - 2005-03-29 04327065
    12 Conduit Street, London, England
    Active Corporate (11 parents, 2 offsprings)
    Officer
    2001-11-22 ~ 2023-04-28
    IIF 10 - Director → ME
  • 8
    ETEAM HUMAN CAPITAL GROUP LIMITED - now
    DRYDEN HUMAN CAPITAL GROUP LIMITED
    - 2019-03-28 07590517
    Warnford Court, 29 Throgmorton Street, London, England
    Active Corporate (16 parents, 4 offsprings)
    Officer
    2011-04-28 ~ 2017-01-06
    IIF 3 - Director → ME
  • 9
    GENEDRIVE DIAGNOSTICS LTD - now
    EPISTEM LIMITED
    - 2018-06-12 03901952 11031998... (more)
    The Incubator Building, Grafton Street, Manchester
    Active Corporate (22 parents, 1 offspring)
    Officer
    2000-09-21 ~ 2005-06-30
    IIF 13 - Director → ME
  • 10
    MCDONALD GLENCROSS LIMITED
    - now 04321288 03861194... (more)
    CALCULUS EQUITY PARTNERS LIMITED
    - 2005-03-29 04321288
    12 Conduit Street, London, England
    Active Corporate (8 parents)
    Officer
    2001-11-12 ~ 2023-04-28
    IIF 8 - Director → ME
  • 11
    TETRA ENERGY UK ONSHORE LTD - now
    CORFE ENERGY LIMITED
    - 2023-08-13 06030678
    IS NV LIMITED
    - 2011-09-27 06030678
    INFRASTRATA NV LIMITED - 2011-02-07
    INFRASTRATA LIMITED - 2009-12-15
    PORTLAND GAS NV LIMITED - 2009-07-16
    57a Broadway, Leigh-on-sea, Essex, England
    Active Corporate (18 parents)
    Officer
    2011-03-31 ~ 2015-07-20
    IIF 2 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.