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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

Cullen, John Charles

    Related profiles found in government register
  • Cullen, John Charles
    British cfo born in November 1964

    Resident in England

    Registered addresses and corresponding companies
    • 21, Rowlands Close, London, NW7 2DL

      IIF 1
  • Cullen, John Charles
    British born in November 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 85, Church Road, Hove, East Sussex, BN3 2BB, England

      IIF 2
  • Cullen, John Charles
    British chief financial officer born in November 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 8 Devonshire Square, London, EC2M 4PL

      IIF 3 IIF 4 IIF 5
    • The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN

      IIF 6
  • Cullen, John Charles
    British director born in November 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 8 Devonshire Square, London, EC2M 4PL

      IIF 7
  • John Charles Cullen
    British born in November 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • C/o Irwin Mitchell Llp, Riverside East, 2 Millsands, Sheffield, South Yorkshire, S3 8DT, United Kingdom

      IIF 8
child relation
Offspring entities and appointments
Active 1
  • 1
    C/o Irwin Mitchell Llp Riverside East, 2 Millsands, Sheffield, South Yorkshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    5,082,297 GBP2024-12-31
    Officer
    2023-08-10 ~ now
    IIF 2 - Director → ME
Ceased 7
  • 1
    AON UK LIMITED - 2012-04-02
    Related registration: 00210725
    AON INTERMEDIARIES LIMITED - 2005-05-27
    NICHOLSON JENNER LESLIE GROUP LIMITED - 2000-12-29
    NICHOLSON LESLIE GROUP LIMITED - 1996-06-07
    60 Devonshire House Goswell Road, London
    Dissolved Corporate (2 parents)
    Officer
    2007-08-06 ~ 2008-05-01
    IIF 5 - Director → ME
  • 2
    AON PLC - 2020-07-15
    Related registration: 00210725
    AON GLOBAL PLC - 2020-07-15
    AON GLOBAL LIMITED - 2012-03-30
    AON LIMITED - 2012-03-30
    Related registration: 00210725
    ACHAI LIMITED - 2011-12-23
    The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London
    Active Corporate (5 parents, 7 offsprings)
    Officer
    2011-12-08 ~ 2012-01-09
    IIF 4 - Director → ME
  • 3
    AON GLOBAL OPERATIONS LIMITED - 2018-03-27
    The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London
    Converted / Closed Corporate (7 parents)
    Officer
    2012-06-21 ~ 2016-03-10
    IIF 6 - Director → ME
  • 4
    Other registered number: 02882079
    AON RISK MANAGEMENT SERVICES UK LIMITED - 2012-04-03
    AON LIMITED - 2012-03-30
    Related registration: 07876075
    AON GROUP LIMITED - 2000-12-29
    Related registration: 03275259
    ALEXANDER HOWDEN GROUP LIMITED - 1997-07-01
    Related registrations: 00546833, 03275259
    ALEXANDER HOWDEN INSURANCE BROKERS LIMITED - 1985-01-01
    Related registration: 00833836
    ALEXANDER HOWDEN & SWANN LIMITED - 1976-12-31
    The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, United Kingdom
    Active Corporate (11 parents, 11 offsprings)
    Officer
    2007-10-01 ~ 2009-01-30
    IIF 3 - Director → ME
  • 5
    21 Rowlands Close, London
    Active Corporate (3 parents)
    Equity (Company account)
    6 GBP2025-03-31
    Officer
    2013-04-22 ~ 2025-07-28
    IIF 1 - Director → ME
  • 6
    C/o Irwin Mitchell Llp Riverside East, 2 Millsands, Sheffield, South Yorkshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    5,082,297 GBP2024-12-31
    Person with significant control
    2023-08-10 ~ 2023-10-28
    IIF 8 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 8 - Ownership of shares – More than 25% but not more than 50% OE
  • 7
    DRAGONGLADE LIMITED - 2006-07-28
    Kroll Advisory Ltd The Shard, 32 London Bridge Street, London
    Dissolved Corporate (2 parents)
    Officer
    2007-01-25 ~ 2008-05-20
    IIF 7 - Director → ME

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