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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

Atkinson, Steven William

    Related profiles found in government register
  • Atkinson, Steven William
    British born in February 1970

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Atkinson, Steven William
    British accountant born in February 1970

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 110 Westcombe Park Road, London, SE3 7RZ

      IIF 11
    • Citadel Investment Group (europe) Limited, 120 London Wall, London, EC2Y 5ET

      IIF 12
  • Atkinson, Steven William
    British chief operating officer born in February 1970

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 120 London Wall, London, EC2Y 5ET, United Kingdom

      IIF 13 IIF 14
  • Atkinson, Steven William
    born in February 1970

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 110, Westcombe Park Road, Blackheath, London, SE3 7RZ

      IIF 15
child relation
Offspring entities and appointments 14
  • 1
    CITADEL ADVISORS EUROPE LIMITED
    - now 10930267
    CITADEL MANAGEMENT (EUROPE) LIMITED
    - 2021-10-05 10930267 16902202... (more)
    CITADEL HEDGE FUND SERVICES (EUROPE) LIMITED - 2017-11-13
    120 London Wall, London
    Active Corporate (6 parents, 1 offspring)
    Officer
    2019-11-13 ~ now
    IIF 3 - Director → ME
  • 2
    CITADEL ENTERPRISE EUROPE LIMITED
    - now 03666898 13614491
    CITADEL INVESTMENT GROUP (EUROPE) LIMITED - 2018-01-02
    120 London Wall, London
    Active Corporate (17 parents, 2 offsprings)
    Officer
    2023-09-06 ~ now
    IIF 1 - Director → ME
  • 3
    CITADEL ENTERPRISE TECHNOLOGY SERVICES LIMITED
    15284779
    120 London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-11-14 ~ now
    IIF 5 - Director → ME
  • 4
    CITADEL EUROPE LLP
    - now OC340922
    CIG(E) LLP
    - 2008-10-28 OC340922
    Moor House 120 London Wall, 16th Floor, London
    Dissolved Corporate (50 parents)
    Officer
    2008-10-20 ~ 2009-01-28
    IIF 15 - LLP Designated Member → ME
  • 5
    CITADEL MANAGEMENT (EUROPE) II LIMITED
    12945028 16902202... (more)
    120 London Wall, London, United Kingdom
    Active Corporate (6 parents, 2 offsprings)
    Officer
    2020-10-12 ~ now
    IIF 7 - Director → ME
  • 6
    CITADEL MANAGEMENT (EUROPE) III LIMITED
    13509890 12945028... (more)
    120 London Wall, London, United Kingdom
    Active Corporate (5 parents, 2 offsprings)
    Officer
    2021-07-14 ~ now
    IIF 8 - Director → ME
  • 7
    CITADEL MANAGEMENT (EUROPE) IV LIMITED
    16902202 12945028... (more)
    120 London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-12-10 ~ now
    IIF 10 - Director → ME
  • 8
    CITADEL SECURITIES (EUROPE) LIMITED
    - now 05462867 14346588... (more)
    CITADEL DERIVATIVES GROUP (EUROPE) LIMITED
    - 2009-08-13 05462867
    HACKREMCO (NO. 2275) LIMITED - 2005-08-24
    120 London Wall, London
    Active Corporate (25 parents)
    Officer
    2005-10-12 ~ 2005-11-16
    IIF 11 - Director → ME
    2009-04-06 ~ now
    IIF 2 - Director → ME
  • 9
    CITADEL SECURITIES EUROPE SERVICES II LIMITED
    16902204 14346588... (more)
    120 London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-12-10 ~ now
    IIF 9 - Director → ME
  • 10
    CITADEL SECURITIES EUROPE SERVICES LIMITED
    14346588 16902204... (more)
    120 London Wall, London, England
    Active Corporate (4 parents)
    Officer
    2022-09-09 ~ now
    IIF 4 - Director → ME
  • 11
    CITADEL SECURITIES FINANCE (UK) LIMITED
    11966286
    120 London Wall, London
    Active Corporate (9 parents)
    Officer
    2019-04-26 ~ 2022-06-01
    IIF 14 - Director → ME
  • 12
    CS APAC FINANCE (UK) LIMITED - now
    CSFT HOLDINGS (UK) LIMITED
    - 2025-06-02 13806566
    120 London Wall, London, United Kingdom
    Active Corporate (8 parents, 1 offspring)
    Officer
    2021-12-17 ~ 2022-06-01
    IIF 13 - Director → ME
  • 13
    CSIDA UK LIMITED
    16450715
    120 London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-05-14 ~ now
    IIF 6 - Director → ME
  • 14
    OMNIUM EUROPE LIMITED
    07267219
    120 London Wall, London
    Dissolved Corporate (1 parent)
    Officer
    2010-06-11 ~ dissolved
    IIF 12 - Director → ME

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.