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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

Sevestre, Christian Raymond

    Related profiles found in government register
  • Sevestre, Christian Raymond
    French born in May 1953

    Resident in France

    Registered addresses and corresponding companies
    • 4th Floor, 1 Birdcage Walk, Westminster, London, SW1H 9JJ

      IIF 1
  • Sevestre, Christian Raymond
    French electrical engineer born in May 1953

    Resident in France

    Registered addresses and corresponding companies
    • 4th Floor, 1 Birdcage Walk, Westminster, London, SW1H 9JJ

      IIF 2
  • Sevestre, Christian Raymond
    French head of signalling dept born in May 1953

    Resident in France

    Registered addresses and corresponding companies
    • 4th Floor, 1 Birdcage Walk, Westminster, London, SW1H 9JJ

      IIF 3
child relation
Offspring entities and appointments 2
  • 1
    INSTITUTION OF RAILWAY SIGNAL ENGINEERS - now
    INSTITUTION OF RAILWAY SIGNAL ENGINEERS
    - 2026-01-15 00125685
    1 Birdcage Walk, London, England
    Active Corporate (107 parents)
    Officer
    2008-04-25 ~ 2016-04-22
    IIF 1 - Director → ME
  • 2
    IRSE ENTERPRISES LIMITED
    05371364
    1 Birdcage Walk, London, England
    Active Corporate (36 parents, 1 offspring)
    Equity (Company account)
    241,676 GBP2020-12-31
    Officer
    2015-04-25 ~ 2016-04-22
    IIF 2 - Director → ME
    2012-04-20 ~ 2013-04-19
    IIF 3 - Director → ME

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