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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

Mary Slack

    Related profiles found in government register
  • Mary Slack
    South African born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • 33, Welbeck Street, London, W1G 8LX, United Kingdom

      IIF 1
  • Ms Mary Slack
    South African born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • Third Floor, Welbeck Works, 33 Welbeck Street, London, W1G 8EX, United Kingdom

      IIF 2 IIF 3
    • Third Floor, Welbeck Works, 33 Welbeck Street, London, W1G 8LX, England

      IIF 4
  • Mrs Mary Slack
    South African born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • Welbeck Works, Third Floor, 33 Welbeck Street, London, United Kingdom

      IIF 5
    • Third Floor, Welbeck Works, 33 Welbeck Street, London, W1G 8EX, United Kingdom

      IIF 6
    • Third Floor, Welbeck Works, 33 Welbeck Street, London, W1G 8LX, United Kingdom

      IIF 7
    • Third Floor Welbeck Works, 3rd Floor Welbeck Works, 33 Welbeck Street, London, W1G 8LX, England

      IIF 8
    • Welbeck Works, Third Floor, 33 Welbeck Street, London, United Kingdom

      IIF 9 IIF 10 IIF 11
    • 42, Royal Road, Muizenberg, Western Cape, South Africa

      IIF 12
  • Ms. Mary Slack
    South African born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • Mary Oppenheimer Daughters (uk) Ltd, 3rd Floor Welbeck Works, 33 Welbeck Street, London, W1G 8EX, United Kingdom

      IIF 13
  • Mary Slack
    South African,british born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • Third Floor, Welbeck Works, 33 Welbeck Street, London, W1G 8LX, United Kingdom

      IIF 14
  • Slack, Mary
    South African company director born in December 1943

    Resident in South Africa

    Registered addresses and corresponding companies
    • Brenthurst, 1 Federation Road, Parktown 2193, Johannesburg, FOREIGN, South Africa

      IIF 15
  • Slack, Mary
    South African housewife born in December 1943

    Registered addresses and corresponding companies
    • White Hills, P O Box 61193, Marshalltown, 2107, South Africa

      IIF 16
child relation
Offspring entities and appointments 15
  • 1
    ART FIRST LIMITED
    - now 02564529 12993511
    MIDLANDS CONTEMPORARY ART LIMITED
    - 1997-08-18 02564529
    15 St. Marys Walk, London, England
    Dissolved Corporate (18 parents)
    Officer
    1994-02-07 ~ 2017-03-25
    IIF 15 - Director → ME
  • 2
    E OPPENHEIMER & SON (UK) LIMITED
    - now 03521975
    EOS SERVICES (UK) LIMITED - 2002-05-08
    1 Charterhouse Street, London
    Dissolved Corporate (15 parents)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 9 - Ownership of shares – More than 25% but not more than 50% with control over the trustees of a trust OE
  • 3
    GREY HERON PARTNERS UK LIMITED
    - now 11494613
    GREY HERON ADVISORS UK LIMITED
    - 2018-08-24 11494613
    33 Welbeck Street, London, United Kingdom
    Dissolved Corporate (5 parents)
    Person with significant control
    2018-08-01 ~ 2019-07-11
    IIF 1 - Ownership of voting rights - 75% or more with control over the trustees of a trust OE
  • 4
    MARKET THEATRE FOUNDATION UK - now
    MARKET THEATRE (UK) LIMITED
    - 2004-06-23 02621742
    Flat 11 10 Lowndes Square, London, England
    Dissolved Corporate (18 parents)
    Officer
    1991-08-02 ~ 1996-06-01
    IIF 16 - Director → ME
  • 5
    MARY OPPENHEIMER DAUGHTERS (UK) LIMITED
    - now 10465715
    MOOSTEY UK LIMITED
    - 2017-01-05 10465715
    Third Floor Welbeck Works, 33 Welbeck Street, London, United Kingdom
    Active Corporate (11 parents)
    Person with significant control
    2016-11-07 ~ 2019-07-11
    IIF 6 - Ownership of voting rights - 75% or more as a member of a firm OE
  • 6
    MAURITZFONTEIN STUD (UK) LIMITED
    05281470
    Third Floor Welbeck Works, 33 Welbeck Street, London, England
    Dissolved Corporate (10 parents)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 4 - Has significant influence or control over the trustees of a trust OE
  • 7
    MOD CAPITAL UK LIMITED
    - now 11089610
    SS UK SA LIMITED
    - 2018-03-06 11089610
    W1g 8lx, Third Floor Welbeck Works 3rd Floor Welbeck Works, 33 Welbeck Street, London, England
    Dissolved Corporate (7 parents)
    Person with significant control
    2017-11-30 ~ dissolved
    IIF 8 - Ownership of voting rights - 75% or more as a member of a firm OE
  • 8
    ONE CHARTERHOUSE STREET LIMITED
    05211622
    1 Charterhouse Street, London
    Dissolved Corporate (13 parents)
    Person with significant control
    2016-04-06 ~ 2019-11-29
    IIF 5 - Ownership of shares – More than 25% but not more than 50% with control over the trustees of a trust OE
  • 9
    OPPENHEIMER CAPITAL LIMITED
    11393121
    Third Floor, Welbeck Works, 33 Welbeck Street, London, United Kingdom
    Dissolved Corporate (5 parents)
    Person with significant control
    2018-06-01 ~ dissolved
    IIF 7 - Ownership of shares – 75% or more OE
  • 10
    PUSHKIN PRESS LIMITED
    03052719
    Somerset House, Strand, London
    Active Corporate (12 parents, 2 offsprings)
    Person with significant control
    2016-04-06 ~ now
    IIF 14 - Has significant influence or control over the trustees of a trust OE
  • 11
    PUSHKIN PRODUCTIONS LIMITED
    12085094
    Somerset House, Strand, London
    Active Corporate (4 parents)
    Person with significant control
    2019-07-04 ~ 2020-07-20
    IIF 12 - Has significant influence or control OE
  • 12
    STOCKDALE STREET LIMITED
    - now 04481271
    SOUTHERN CROSS CAPITAL LIMITED - 2009-01-30
    SC CAPITAL LIMITED - 2002-08-28
    1 Charterhouse Street, London
    Active Corporate (12 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ now
    IIF 13 - Has significant influence or control over the trustees of a trust OE
  • 13
    THIRTY FIVE ELY PLACE LIMITED
    05211583
    1 Charterhouse Street, London
    Dissolved Corporate (13 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ 2019-11-29
    IIF 11 - Ownership of shares – More than 25% but not more than 50% with control over the trustees of a trust OE
  • 14
    TWO CHARTERHOUSE STREET LIMITED
    05211621
    Flat 3 7 Netherton Grove, London, England
    Active Corporate (16 parents)
    Person with significant control
    2016-04-06 ~ 2017-09-22
    IIF 10 - Ownership of shares – More than 25% but not more than 50% with control over the trustees of a trust OE
  • 15
    WILGERBOSDRIFT (UK) LIMITED
    - now 05314116
    WILGERBOSDRIFT STUD (UK) LIMITED - 2006-04-11
    Third Floor Welbeck Works, 33 Welbeck Street, London, United Kingdom
    Active Corporate (13 parents)
    Person with significant control
    2023-09-04 ~ now
    IIF 3 - Has significant influence or control over the trustees of a trust OE
    2016-04-06 ~ 2019-07-11
    IIF 2 - Has significant influence or control over the trustees of a trust OE

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