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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

O'regan, William Simon

    Related profiles found in government register
  • O'regan, William Simon
    British actuary born in March 1959

    Registered addresses and corresponding companies
  • O'regan, William Simon
    British born in March 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 125 London Wall, 8th Floor, London, EC2Y 5AS

      IIF 11

    • icon of address 7th Floor, 30 Panton Street, London, SW1Y 4AJ, England

      IIF 12 IIF 13
  • O'regan, William Simon
    British actuary born in March 1959

    Resident in England

    Registered addresses and corresponding companies
  • O'regan, William Simon
    British company director born in March 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 1 Tower Place West, Tower Place, London, EC3R 5BU

      IIF 19
  • O'regan, William Simon
    British president - north america region born in March 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 1, Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom

      IIF 20
  • O'regan, William Simon

    Registered addresses and corresponding companies

    • icon of address 19 Temple House, 6 Temple Avenue, London, EC4Y 0DF, United Kingdom

      IIF 21
  • O'regan, William Simon
    British born in March 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 19 Temple House, 6 Temple Avenue, London, EC4Y 0DF, United Kingdom

      IIF 22
  • O'regan, William Simon
    British actuary born in March 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 1 Tower Place West, Tower Place, London, EC3R 5BU

      IIF 23
child relation
Offspring entities and appointments
Active 4
  • 1
    IMPAX GROUP PLC - 2009-10-22
    KERN RIVER PLC - 2001-06-18
    icon of address 7th Floor 30 Panton Street, London, England
    Active Corporate (8 parents, 8 offsprings)
    Officer
    icon of calendar 2020-12-08 ~ now
    IIF 13 - Director → ME
  • 2
    SINORD 112 LIMITED - 1998-09-03
    IMPAX CAPITAL ASSET MANAGEMENT LIMITED - 2001-08-01
    icon of address 7th Floor 30 Panton Street, London, England
    Active Corporate (5 parents, 12 offsprings)
    Officer
    icon of calendar 2024-03-05 ~ now
    IIF 12 - Director → ME
  • 3
    icon of address 3rd Floor, Suffolk House George Street, Croydon, Surrey
    Active Corporate (5 parents)
    Officer
    icon of calendar 2023-03-22 ~ now
    IIF 22 - Director → ME
    icon of calendar 2025-02-06 ~ now
    IIF 21 - Secretary → ME
  • 4
    icon of address 13th Floor 1 Harbour Exchange Square, London, England
    Active Corporate (12 parents, 2 offsprings)
    Officer
    icon of calendar 2024-11-28 ~ now
    IIF 11 - Director → ME
Ceased 15
  • 1
    icon of address 1 Tower Place West, Tower Place, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-11-16 ~ 2009-02-02
    IIF 6 - Director → ME
  • 2
    THE BOWRING GROUP LIMITED - 1997-10-01
    BOWRING HOLDINGS LIMITED - 1995-10-13
    J&H MARSH & MCLENNAN (HOLDINGS) LTD. - 1999-05-06
    MARSH MERCER HOLDINGS LIMITED - 2000-01-07
    TRUSHELFCO (N0.2095) LIMITED - 1995-08-03
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (7 parents, 3 offsprings)
    Officer
    icon of calendar 2004-12-20 ~ 2015-08-18
    IIF 17 - Director → ME
  • 3
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (3 parents)
    Officer
    icon of calendar 2014-06-19 ~ 2022-08-31
    IIF 20 - Director → ME
  • 4
    M.P.A.LIMITED(THE) - 1983-05-16
    MPA (CHICHESTER) LIMITED - 1992-11-16
    WILLIAM M. MERCER FRASER LIMITED - 2005-06-29
    WILLIAM M. MERCER LIMITED - 1993-03-01
    WILLIAM M. MERCER LIMITED - 1993-02-12
    MERCER UK LIMITED - 2010-03-31
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (5 parents)
    Officer
    icon of calendar 2004-12-31 ~ 2009-01-20
    IIF 7 - Director → ME
  • 5
    MARSH EMPLOYEE BENEFIT SERVICES LIMITED - 2005-09-01
    MERCER HUMAN RESOURCE CONSULTING (EB) LIMITED - 2007-09-12
    icon of address C/o Bdo Llp 5 Temple Street, Temple Street, Liverpool
    Liquidation Corporate (3 parents)
    Officer
    icon of calendar 2011-10-05 ~ 2014-08-06
    IIF 15 - Director → ME
    icon of calendar 2005-10-21 ~ 2008-03-01
    IIF 2 - Director → ME
  • 6
    MERCER HUMAN RESOURCE CONSULTING LIMITED - 2007-09-12
    WILLIAM M.MERCER - BOWRING LIMITED - 1984-11-01
    WILLIAM M. MERCER FRASER LIMITED - 1993-02-12
    WILLIAM M MERCER-BOWRING LIMITED - 1976-12-31
    WILLIAM M. MERCER FRASER LIMITED - 1993-03-01
    WILLIAM M. MERCER LIMITED - 2002-04-05
    WILLIAM M. MERCER BENEFITS LIMITED - 1983-02-16
    WILLIAM M. MERCER - MPA (U.K.) LIMITED - 1986-05-01
    WILLIAM M. MERCER LIMITED - 1984-01-01
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (8 parents, 16 offsprings)
    Officer
    icon of calendar 2004-10-15 ~ 2007-12-31
    IIF 8 - Director → ME
    icon of calendar 2011-10-05 ~ 2014-08-06
    IIF 14 - Director → ME
    icon of calendar 2017-07-04 ~ 2020-11-01
    IIF 19 - Director → ME
  • 7
    MARSH INTERNATIONAL LIMITED - 2007-12-17
    REMOVESTAND LIMITED - 1999-04-30
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (5 parents, 1 offspring)
    Officer
    icon of calendar 2007-12-17 ~ 2015-09-01
    IIF 18 - Director → ME
  • 8
    MARSH UK GROUP LIMITED - 2007-12-17
    AREACLEAR LIMITED - 1999-04-19
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (5 parents, 28 offsprings)
    Officer
    icon of calendar 2007-12-17 ~ 2015-09-01
    IIF 16 - Director → ME
  • 9
    icon of address 1 Tower Place West, Tower Place, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2005-08-25 ~ 2009-01-20
    IIF 1 - Director → ME
  • 10
    BOWRING TRUSTEES LIMITED - 1987-11-16
    MUIR BEDDALL (PENSIONS) LIMITED - 1973-10-03
    BOWLAY TRUSTEES (EMPLOYEE BENEFITS) LIMITED - 1974-01-22
    WILLIAM M. MERCER FRASER PENSION FUND TRUSTEES LIMITED - 2000-05-17
    C. T. BOWRING (TRUSTEES) LIMITED - 1982-01-04
    icon of address 40-b, Tower 42 25 Old Broad Street, London, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    76,979 GBP2023-12-31
    Officer
    icon of calendar 2012-09-14 ~ 2013-01-08
    IIF 23 - Director → ME
  • 11
    S.S.B. INSURANCE SERVICES LIMITED - 1988-05-31
    SSB SERVICES LIMITED - 1993-12-22
    BLAND PAYNE REINSURANCE BROKERS (AVIATION) LIMITED - 1985-02-21
    SEDGWICK RISK MANAGEMENT SERVICES LIMITED - 1985-03-15
    SEDGWICK BETA LIMITED - 1988-04-28
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (3 parents)
    Officer
    icon of calendar 2004-12-31 ~ 2009-01-20
    IIF 4 - Director → ME
  • 12
    SEDGWICK PERSONAL FINANCIAL MANAGEMENT LIMITED - 1991-01-17
    SEDGWICK KAPPA LIMITED - 1993-12-22
    SEDGWICK FORBES PERSONAL FINANCE MANAGEMENT LIMITED - 1980-12-31
    SEDGWICK FORBES BLAND PAYNE PERSONAL FINANCIAL MANAGEMENT LIMITED - 1980-12-31
    SEDGWICK FORBES PERSONAL FINANCE MANAGEMENT LIMITED - 1979-12-31
    icon of address Devonshire House, 60 Goswell Road, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-11-16 ~ 2009-01-20
    IIF 5 - Director → ME
  • 13
    NOBLE LOWNDES & PARTNERS LIMITED - 1993-12-31
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (3 parents, 1 offspring)
    Officer
    icon of calendar 2004-11-16 ~ 2009-01-20
    IIF 3 - Director → ME
  • 14
    SEDGWICK FORBES BLAND PAYNE EMPLOYEE BENEFITS CONSULTANTS LIMITED - 1980-12-31
    SEDGWICK EMPLOYEE BENEFITS CONSULTANTS LIMITED - 1988-10-18
    SEDGWICK FORBES EMPLOYEE BENEFITS CONSULTANTS LIMITED - 1979-12-31
    icon of address 1 Tower Place West, Tower Place, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-11-16 ~ 2009-02-02
    IIF 10 - Director → ME
  • 15
    icon of address C/o Bdo Llp 5 Temple Square, Temple Street, Liverpool
    Liquidation Corporate (3 parents)
    Officer
    icon of calendar 2004-11-16 ~ 2009-02-02
    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.