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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

Jahnel, Ferdinand Gerhard

    Related profiles found in government register
  • Jahnel, Ferdinand Gerhard
    German,american born in August 1965

    Resident in United States

    Registered addresses and corresponding companies
    • 1166, Avenue Of The Americas, New York, New York, 10036, United States

      IIF 1
  • Jahnel, Ferdinand Gerhard
    German,american director born in August 1965

    Resident in United States

    Registered addresses and corresponding companies
    • 1, Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom

      IIF 2 IIF 3
  • Jahnel, Ferdinand Gerhard
    German,american treasurer born in August 1965

    Resident in United States

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 1
Ceased 11
  • 1
    CASCADE REGIONAL HOLDINGS LIMITED
    10284928
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2016-07-18 ~ 2016-10-12
    IIF 2 - Director → ME
  • 2
    MARSH MCLENNAN ALPHA LIMITED
    14316280
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2022-09-01 ~ 2024-09-09
    IIF 11 - Director → ME
  • 3
    MARSH TREASURY SERVICES LIMITED
    - now 00656502
    SEDGWICK FINANCE PUBLIC LIMITED COMPANY - 1999-05-06
    MONTAGU TRUST LIMITED - 1979-12-31
    1 Tower Place West, Tower Place, London
    Active Corporate (5 parents)
    Officer
    2015-09-01 ~ 2024-09-09
    IIF 8 - Director → ME
  • 4
    MMC FINANCE (AUSTRALIA) LIMITED
    12104260
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2019-07-15 ~ 2024-09-09
    IIF 5 - Director → ME
  • 5
    MMC FINANCE (EUROPE) LIMITED
    12104276
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2019-07-15 ~ 2024-09-09
    IIF 6 - Director → ME
  • 6
    MMC FINANCE (SINGAPORE) LIMITED
    12317606
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2019-11-15 ~ 2024-09-09
    IIF 4 - Director → ME
  • 7
    MMC FINANCE (US) LIMITED
    - now 09409156 05843878
    MARSH & MCLENNAN COMPANIES ACQUISITION LIMITED
    - 2020-11-18 09409156
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2020-11-16 ~ 2024-09-09
    IIF 9 - Director → ME
  • 8
    MMC FINANCE HOLDINGS (US) LIMITED
    - now 09409135 06719097
    MARSH & MCLENNAN COMPANIES ACQUISITION FUNDING LIMITED
    - 2020-11-18 09409135
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (5 parents, 2 offsprings)
    Officer
    2020-11-16 ~ 2024-09-09
    IIF 12 - Director → ME
  • 9
    MMC FUNDING (US) LIMITED
    13038172
    1 Tower Place West, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2020-11-23 ~ 2024-09-09
    IIF 7 - Director → ME
  • 10
    MMC INTERNATIONAL TREASURY CENTRE LIMITED
    05897457
    1 Tower Place West, Tower Place, London
    Active Corporate (6 parents, 4 offsprings)
    Officer
    2015-09-01 ~ 2024-09-09
    IIF 10 - Director → ME
  • 11
    MMC MIDDLE EAST HOLDINGS LIMITED
    10299085
    1 Tower Place West, Tower Place, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2016-07-27 ~ 2016-10-12
    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.