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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

Mantz, John Martin

    Related profiles found in government register
  • Mantz, John Martin
    British accountant born in October 1948

    Registered addresses and corresponding companies
    • icon of address 21 Four Wents, Cobham, Surrey, KT11 2NE

      IIF 1 IIF 2
  • Mantz, John Martin
    British insurance official born in October 1948

    Registered addresses and corresponding companies
    • icon of address 5 Selbourne Road, Guildford, Surrey, GU4 7JP

      IIF 3
  • Mantz, John Martin
    British

    Registered addresses and corresponding companies
    • icon of address 21 Four Wents, Cobham, Surrey, KT11 2NE

      IIF 4
  • Mantz, John Martin
    British chartered accountant

    Registered addresses and corresponding companies
  • Mantz, John Martin
    British accountant born in October 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 1 Great Tower Street, London, EC3R 5AA

      IIF 8
  • Mantz, John Martin
    British businessman born in October 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 30, Fenchurch Avenue, London, EC3M 5AD, England

      IIF 9
  • Mantz, John Martin
    British chartered accountant born in October 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mantz, John Martin
    British non-executive director born in October 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 1, Great Tower Street, London, EC3R 5AA

      IIF 15
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 9
  • 1
    FLIGHTHARE LIMITED - 1995-07-06
    OWEN AND WILBY UNDERWRITING AGENCY LIMITED - 1999-09-20
    GERLING AT LLOYD'S LIMITED - 2007-09-03
    SAGICOR AT LLOYD'S LIMITED - 2013-12-30
    icon of address Exchequer Court, 33 St Mary Axe, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2006-11-24 ~ 2014-04-07
    IIF 8 - Director → ME
    icon of calendar 2003-11-07 ~ 2006-11-24
    IIF 2 - Director → ME
    icon of calendar 2003-09-15 ~ 2005-07-19
    IIF 5 - Secretary → ME
  • 2
    SAGICOR CORPORATE CAPITAL TWO LIMITED - 2013-12-30
    CANOPIUS CAPITAL FIVE LIMITED - 2008-04-02
    icon of address Exchequer Court, 33 St Mary Axe, London, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2009-11-12 ~ 2014-04-07
    IIF 13 - Director → ME
  • 3
    GERLING SYNDICATE HOLDINGS LIMITED - 2007-09-03
    SAGICOR SYNDICATE HOLDINGS LIMITED - 2013-12-30
    PINELEAD LIMITED - 1995-07-07
    OWL HOLDINGS LIMITED - 1999-09-01
    icon of address Exchequer Court, 33 St Mary Axe, London, England
    Dissolved Corporate (4 parents, 3 offsprings)
    Officer
    icon of calendar 2009-11-12 ~ 2014-04-07
    IIF 10 - Director → ME
    icon of calendar 2004-03-25 ~ 2005-09-19
    IIF 4 - Secretary → ME
  • 4
    SAGICOR SYNDICATE SERVICES LIMITED - 2013-12-30
    GERLING SYNDICATE SERVICES LIMITED - 2007-09-03
    OWL INSURANCE SERVICES LIMITED - 1999-09-07
    FENSCALE LIMITED - 1998-11-27
    icon of address Exchequer Court, 33 St Mary Axe, London, England
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2009-11-12 ~ 2014-04-07
    IIF 11 - Director → ME
    icon of calendar 2003-09-15 ~ 2005-07-19
    IIF 6 - Secretary → ME
  • 5
    SAGICOR UNDERWRITING LIMITED - 2014-01-07
    BYRNE & STACEY UNDERWRITING LIMITED - 2008-07-01
    icon of address Exchequer Court, 33 St Mary Axe, London, England
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2009-11-12 ~ 2014-04-07
    IIF 15 - Director → ME
  • 6
    AMTRUST CORPORATE MEMBER LIMITED - 2019-10-25
    GERLING CORPORATE CAPITAL LIMITED - 2007-09-03
    OWL CORPORATE LIMITED - 1999-09-07
    SAGICOR CORPORATE CAPITAL LIMITED - 2013-12-30
    PALEGROVE COMPUTERS LIMITED - 1998-10-09
    icon of address Floor 29 22 Bishopsgate, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 2003-11-07 ~ 2006-11-24
    IIF 1 - Director → ME
    icon of calendar 2009-11-12 ~ 2014-04-07
    IIF 12 - Director → ME
    icon of calendar 2003-09-15 ~ 2005-04-28
    IIF 7 - Secretary → ME
  • 7
    CIGNA REINSURANCE COMPANY (UK) LIMITED - 1999-09-03
    BRANDYWINE REINSURANCE COMPANY (UK) LIMITED - 2006-07-11
    INA REINSURANCE COMPANY (U.K.) LIMITED - 1988-03-31
    icon of address 3 Lloyd's Avenue, London, England
    Active Corporate (3 parents)
    Officer
    icon of calendar ~ 1993-09-21
    IIF 3 - Director → ME
  • 8
    icon of address 3rd Floor Siriuspoint, 33 Gracechurch Street, London, United Kingdom
    Active Corporate (9 parents)
    Officer
    icon of calendar 2014-05-28 ~ 2019-10-31
    IIF 14 - Director → ME
  • 9
    icon of address 30 Fenchurch Avenue, London
    Active Corporate (9 parents)
    Officer
    icon of calendar 2014-05-19 ~ 2018-03-31
    IIF 9 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.