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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

Langlais, Catherine Elisabeth

    Related profiles found in government register
  • Langlais, Catherine Elisabeth
    French born in June 1956

    Resident in France

    Registered addresses and corresponding companies
    • 5th Floor The Monument Building, 11 Monument Street, London, EC3R 8AF, United Kingdom

      IIF 1
  • Langlais, Catherine Elisabeth
    French general counsel at euronext born in June 1956

    Resident in France

    Registered addresses and corresponding companies
    • 14, Place Des Reflets, Cs 30064, Paris La Defense Cedex, 92054, France

      IIF 2
  • Langlais, Catherine Elisabeth
    French group general counsel, euronext born in June 1956

    Resident in France

    Registered addresses and corresponding companies
    • 1, Boulevard Du Roi Albert Ii, Brussells, 1210, Belgium

      IIF 3
  • Langlais, Catherine Elisabeth
    French non executive director born in June 1956

    Resident in France

    Registered addresses and corresponding companies
    • 3rd Floor, Imperial House, 21-25 North Street, Bromley, BR1 1SD, England

      IIF 4
    • Imperial House, 21-25 North Street, Bromley, Kent, BR1 1SD, United Kingdom

      IIF 5
child relation
Offspring entities and appointments
Active 1
  • 1
    BATS TRADING LIMITED - 2017-10-17
    5th Floor The Monument Building, 11 Monument Street, London, United Kingdom
    Active Corporate (8 parents)
    Officer
    2021-07-23 ~ now
    IIF 1 - Director → ME
Ceased 4
  • 1
    Other registered number: FC025700
    EUROCLEAR PLC - 2018-11-20
    Related registration: FC025700
    EUROCLEAR CLEARANCE SYSTEM PUBLIC LIMITED COMPANY - 2001-06-01
    EURO-CLEAR CLEARANCE SYSTEM PUBLIC LIMITED COMPANY - 1990-08-03
    33 Cannon Street, London
    Dissolved Corporate (2 parents)
    Officer
    2017-07-19 ~ 2018-11-20
    IIF 2 - Director → ME
  • 2
    Other registered number: OE032648
    EUROCLEAR - 2005-02-21
    Related registration: 01060802
    1 Boulevard Du Roi Albert Ii, Brussels, 1210, Belgium
    Active Corporate (16 parents)
    Officer
    2017-04-25 ~ 2019-05-14
    IIF 3 - Director → ME
  • 3
    ONSCREENTRADING LIMITED - 2005-08-23
    Imperial House, 21-25 North Street, Bromley, Kent, United Kingdom
    Active Corporate (4 parents, 15 offsprings)
    Officer
    2020-06-18 ~ 2024-06-30
    IIF 5 - Director → ME
  • 4
    Imperial House, 21-25 North Street, Bromley, United Kingdom
    Active Corporate (3 parents, 3 offsprings)
    Officer
    2020-06-18 ~ 2022-07-31
    IIF 4 - Director → ME

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