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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

Byrne, Mark James

    Related profiles found in government register
  • Byrne, Mark James
    Irish company director born in November 1961

    Resident in Bermuda

    Registered addresses and corresponding companies
    • 51, Lafone Street, London, SE1 2LX, England

      IIF 1
  • Byrne, Mark James
    Irish director born in November 1961

    Resident in Bermuda

    Registered addresses and corresponding companies
    • Roughill, 6 Long Lane, Tuckers Town, HS02, Bermuda

      IIF 2
  • Byrne, Mark James
    Irish investment manager born in November 1961

    Resident in Bermuda

    Registered addresses and corresponding companies
    • 6 Long Lane, Tuckers Town, Hs 02, Bermuda

      IIF 3
    • Roughill, 6 Long Lane, Tuckers Town, HS02, Bermuda

      IIF 4
  • Byrne, Mark James
    Irish reinsurance executive born in November 1961

    Resident in Bermuda

    Registered addresses and corresponding companies
    • Roughill, 6 Long Lane, Tuckers Town, HS02, Bermuda

      IIF 5 IIF 6
  • Byrne, Mark James
    Irish insurance executive born in November 1961

    Resident in Switzerland

    Registered addresses and corresponding companies
    • 1st Floor Swan Building, 26 Victoria Street, Hamilton, HM HX, Bermuda

      IIF 7
child relation
Offspring entities and appointments 7
  • 1
    AMTRUST CENTRAL BUREAU OF SERVICES LIMITED - now
    ANV CENTRAL BUREAU OF SERVICES LIMITED - 2017-09-19
    ANV UNDERWRITERS (UK) LIMITED - 2013-01-16
    MOSAIC UNDERWRITING SERVICES (UK) LIMITED - 2012-09-17
    FLAGSTONE SERVICES (UK) LIMITED
    - 2010-08-31 06902763
    MOLEGREEN LIMITED
    - 2009-06-09 06902763
    Exchequer Court, 33 St Mary Axe, London, England
    Dissolved Corporate (22 parents)
    Officer
    2009-06-08 ~ 2010-05-24
    IIF 3 - Director → ME
  • 2
    ANV CORPORATE NAME LIMITED - now
    FLAGSTONE CORPORATE NAME LIMITED
    - 2012-08-20 06705037
    Exchequer Court, 33 St Mary Axe, London, England
    Active Corporate (17 parents)
    Officer
    2008-09-30 ~ 2010-05-24
    IIF 5 - Director → ME
  • 3
    ANV HOLDINGS (UK) LIMITED - now
    FLAGSTONE HOLDINGS (UK) LIMITED
    - 2012-08-20 06431502
    Exchequer Court, 33 St Mary Axe, London, United Kingdom
    Dissolved Corporate (15 parents, 2 offsprings)
    Officer
    2007-11-20 ~ 2010-05-24
    IIF 6 - Director → ME
  • 4
    ANV SYNDICATE MANAGEMENT LIMITED - now
    FLAGSTONE SYNDICATE MANAGEMENT LIMITED
    - 2012-08-20 00747594
    MARLBOROUGH UNDERWRITING AGENCY LIMITED
    - 2010-05-04 00747594
    BARDER & MARSH LIMITED - 1995-12-30
    BARDER & MARSH SERVICES LIMITED - 1991-12-20
    Exchequer Court, 33 St Mary Axe, London, England
    Dissolved Corporate (67 parents)
    Officer
    2008-11-18 ~ 2010-05-24
    IIF 2 - Director → ME
  • 5
    FLAGSTONE REPRESENTATIVES LIMITED
    - now 05467895
    WEST END CAPITAL MANAGEMENT (UK) LIMITED
    - 2006-03-16 05467895
    Woolgate Exchange, 25 Basinghall Street, London, United Kingdom
    Dissolved Corporate (9 parents)
    Officer
    2005-06-01 ~ 2010-05-24
    IIF 4 - Director → ME
  • 6
    HAVERFORD REPRESENTATIVES LIMITED
    07307371
    Chown Dewhurst Llp, 51 Lafone Street, London
    Dissolved Corporate (6 parents)
    Officer
    2010-09-01 ~ 2014-03-17
    IIF 1 - Director → ME
  • 7
    HAVERFORD RISK HOLDINGS LIMITED
    08887244
    209 Tower Bridge Business Centre, 46-48 East Smithfield, London
    Dissolved Corporate (3 parents)
    Officer
    2014-02-18 ~ dissolved
    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.