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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

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 1
  • O'regan, William Simon
    British director 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 2
  • O'regan, William Simon
    British actuary 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 3 IIF 4

    • icon of address Flat 5, 66 Maresfield Gardens, Hampstead, London, NW3 5TD

      IIF 5 IIF 6 IIF 7
  • 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 8

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

      IIF 9 IIF 10
  • O'regan, William Simon
    British non executive director 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
  • 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 12
  • O'regan, William Simon
    British actuary born in March 1959

    Registered addresses and corresponding companies
  • O'regan, William Simon

    Registered addresses and corresponding companies

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

      IIF 23
child relation
Offspring entities and appointments
Active 4
  • 1
    KERN RIVER PLC - 2001-06-18
    IMPAX GROUP PLC - 2009-10-22
    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 10 - 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 9 - 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 2 - Director → ME
    icon of calendar 2025-02-06 ~ now
    IIF 23 - 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 18 - Director → ME
  • 2
    TRUSHELFCO (N0.2095) LIMITED - 1995-08-03
    THE BOWRING GROUP LIMITED - 1997-10-01
    MARSH MERCER HOLDINGS LIMITED - 2000-01-07
    J&H MARSH & MCLENNAN (HOLDINGS) LTD. - 1999-05-06
    BOWRING HOLDINGS LIMITED - 1995-10-13
    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 6 - 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 12 - Director → ME
  • 4
    WILLIAM M. MERCER LIMITED - 1993-03-01
    WILLIAM M. MERCER FRASER LIMITED - 2005-06-29
    MERCER UK LIMITED - 2010-03-31
    MPA (CHICHESTER) LIMITED - 1992-11-16
    M.P.A.LIMITED(THE) - 1983-05-16
    WILLIAM M. MERCER LIMITED - 1993-02-12
    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 19 - Director → ME
  • 5
    MERCER HUMAN RESOURCE CONSULTING (EB) LIMITED - 2007-09-12
    MARSH EMPLOYEE BENEFIT SERVICES LIMITED - 2005-09-01
    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 4 - Director → ME
    icon of calendar 2005-10-21 ~ 2008-03-01
    IIF 14 - Director → ME
  • 6
    WILLIAM M. MERCER LIMITED - 2002-04-05
    WILLIAM M. MERCER LIMITED - 1984-01-01
    WILLIAM M. MERCER BENEFITS LIMITED - 1983-02-16
    MERCER HUMAN RESOURCE CONSULTING LIMITED - 2007-09-12
    WILLIAM M. MERCER FRASER LIMITED - 1993-03-01
    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 - MPA (U.K.) LIMITED - 1986-05-01
    icon of address 1 Tower Place West, Tower Place, London
    Active Corporate (8 parents, 16 offsprings)
    Officer
    icon of calendar 2017-07-04 ~ 2020-11-01
    IIF 8 - Director → ME
    icon of calendar 2004-10-15 ~ 2007-12-31
    IIF 20 - Director → ME
    icon of calendar 2011-10-05 ~ 2014-08-06
    IIF 3 - 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 7 - Director → ME
  • 8
    AREACLEAR LIMITED - 1999-04-19
    MARSH UK GROUP LIMITED - 2007-12-17
    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 5 - 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 13 - Director → ME
  • 10
    BOWLAY TRUSTEES (EMPLOYEE BENEFITS) LIMITED - 1974-01-22
    WILLIAM M. MERCER FRASER PENSION FUND TRUSTEES LIMITED - 2000-05-17
    MUIR BEDDALL (PENSIONS) LIMITED - 1973-10-03
    C. T. BOWRING (TRUSTEES) LIMITED - 1982-01-04
    BOWRING TRUSTEES LIMITED - 1987-11-16
    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 1 - Director → ME
  • 11
    SEDGWICK RISK MANAGEMENT SERVICES LIMITED - 1985-03-15
    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 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 16 - Director → ME
  • 12
    SEDGWICK KAPPA LIMITED - 1993-12-22
    SEDGWICK PERSONAL FINANCIAL MANAGEMENT LIMITED - 1991-01-17
    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 17 - 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 15 - Director → ME
  • 14
    SEDGWICK EMPLOYEE BENEFITS CONSULTANTS LIMITED - 1988-10-18
    SEDGWICK FORBES BLAND PAYNE EMPLOYEE BENEFITS CONSULTANTS LIMITED - 1980-12-31
    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 22 - 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 21 - Director → ME

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.