MARSH & MCLENNAN COMPANIES, INC. group: subsidiaries and structure
Corporation · WILMINGTON, United States · LEI 549300XMP3KDCKJXIU47
116subsidiaries
28countries
89held directly
2lapsed LEIs
22links on accounts older than 24 months
14ISINs of subsidiaries
Summary
MARSH & MCLENNAN COMPANIES, INC. is the ultimate parent of 116 subsidiaries with LEIs in 28 countries, as reported to GLEIF. 89 are held directly; the others sit below intermediate companies. The largest numbers are in the United Kingdom (32), in Ireland (11) and in the Netherlands (9). 2 of the subsidiaries have a lapsed LEI, and 22 links rest on accounts older than 24 months. GLEIF's ISIN mapping lists 25 ISINs for the parent and 14 ISINs for its subsidiaries.
Written from GLEIF data using fixed, reviewed sentence templates.
Subsidiaries by country
and 13 more
Data-quality notes (AssetCensus analysis)
No group-level data-quality notes in this data release.
22 subsidiaries have data-quality notes; they are listed on each company page.
Group structure
Indentation shows the direct parent reported to GLEIF.
MARSH PTY LTD Australia
MERCER (AUSTRALIA) PTY LTD Australia
MERCER INVESTMENTS (AUSTRALIA) LIMITED Australia
MARSH Belgium
MARSH EUROPE Belgium
MERCER (BELGIUM) Belgium
OLIVER WYMAN Belgium
MARSH CANADA LIMITED Canada
MARSH & MCLENNAN HOLDING GMBH Germany
MARSH GMBH Germany
Marsh Re (Germany) GmbH Germany
Mercer Deutschland GmbH Germany
Mercer Treuhand GmbH Germany
Mercer Pensionsfonds AG Germany
DEASTERRA PARTNERS SL Spain
GUY CARPENTER & CIA SA Spain
MERCER CONSULTING, S.L. Spain
Marsh McLennan Oy Finland
MARSH SAS France
MARSH RE (FRANCE) S.A.S. France
MERCER (FRANCE) SAS France
TRIPICA France
CALM FINANCE HOLDINGS LIMITED United Kingdom
OLIVER WYMAN SERVICES LIMITED United Kingdom
CALM TREASURY HOLDINGS LIMITED United Kingdom
Mercer Alternatives AG Switzerland
Mercer Alternatives (Luxembourg) S.à r.l. Luxembourg
VICTOR INSURANCE EUROPE B.V. Netherlands
CARDANO HOLDING LIMITED United Kingdom
CASCADE REGIONAL HOLDINGS LIMITED United Kingdom
FUNDHOUSE BESPOKE LIMITED United Kingdom
JLT GROUP HOLDINGS LIMITED United Kingdom
JLT LATIN AMERICAN HOLDINGS LIMITED United Kingdom
JLT PERU WHOLESALE LIMITED United Kingdom
JLT WEALTH MANAGEMENT LIMITED United Kingdom
MARSH & MCLENNAN COMPANIES UK LIMITED United Kingdom
MMC UK GROUP LIMITED United Kingdom
MARSH CORPORATE SERVICES LIMITED United Kingdom
MARSH LIMITED United Kingdom
MARSH MCLENNAN REGIONAL HOLDINGS LIMITED United Kingdom
MARSH RE (UK) LIMITED United Kingdom
MARSH SECURITIES (UK) LIMITED United Kingdom
MERCER AFRICA LIMITED United Kingdom
MERCER ALTERNATIVES LIMITED United Kingdom
MERCER LIMITED United Kingdom
MARSH MCLENNAN INDIA HOLDINGS LIMITED United Kingdom
MERCER RISK MANAGEMENT LIMITED United Kingdom
MMC CAPITAL SOLUTIONS UK LIMITED United Kingdom
MMC FINANCE (US) LIMITED United Kingdom
MMC FINANCE HOLDINGS (US) LIMITED United Kingdom
MMC FINANCE UK LIMITED United Kingdom
MMC HOLDINGS (UK) LIMITED United Kingdom
MMC INTERNATIONAL LIMITED United Kingdom
MMC INTERNATIONAL TREASURY CENTRE LIMITED United Kingdom
NOW:PENSION TRUSTEE LTD. United Kingdom
OLIVER WYMAN LIMITED United Kingdom
MARSH & MCLENNAN FINANCE LIMITED Ireland
MARSH IRELAND BROKERS LIMITED Ireland
Marsh McLennan Ireland Limited Ireland
Mercer Ireland Holdings ltd Ireland
Irish Pensions Trust Limited Ireland
Mercer (Ireland) Limited Ireland
MARSH RE (ITALY) S.R.L. Italy
MARSH S.P.A. Italy
MERCER ITALIA S.R.L. Italy
MARSH & MCLENNAN EUROPE S.À R.L. Luxembourg
Cardano Nederland B.V. Netherlands
Cardano Asset Management N.V. Netherlands
Cardano Risk Management B.V. Netherlands
JLT ASIA HOLDINGS B.V. Netherlands
MARSH B.V. Netherlands
MARSH MCLENNAN INVESTMENT B.V. Netherlands
MERCER (NEDERLAND) B.V. Netherlands
SEDGWICK INTERNATIONAAL B.V. Netherlands
MARSH MCLENNAN AS Norway
MERCER (N.Z.) LIMITED New Zealand
MARSH LDA Portugal
Marsh McLennan AB Sweden
MARSH & MCLENNAN SHARED SERVICES LLC United States
MARSH INSURANCE & INVESTMENTS LLC United States
MARSH INVESTMENTS US LLC United States
MARSH RE LLC United States
MARSH USA LLC United States
MERCER HOLDINGS, LLC United States
MMC INTERNATIONAL HOLDINGS LLC United States
OLIVER WYMAN, LLC United States
MERCER LIMITED British Virgin Islands
Marsh Saudi Arabia Insurance and Reinsurance Brokers Saudi Arabia lapsed direct parent not in this group view
Subsidiaries
| Company | Country | City | LEI | Accounts year | Notes |
|---|---|---|---|---|---|
| MARSH PTY LTD | Australia | BARANGAROO | 5493005772UQJUEZEG32 | 2025 | |
| MERCER (AUSTRALIA) PTY LTD | Australia | DOCKLANDS | 984500CF8FFN2D6DB143 | 2025 | |
| MERCER INVESTMENTS (AUSTRALIA) LIMITED | Australia | DOCKLANDS | 549300QDV080OJUFAE97 | 2026 | |
| MERCER SUPERANNUATION (AUSTRALIA) LIMITED | Australia | DOCKLANDS | 549300R8P4OALUA1BJ62 | 2023 | > 24 months |
| MARSH | Belgium | AUDERGHEM | 213800G8N6CID5C6RV91 | 2025 | |
| MARSH EUROPE | Belgium | AUDERGHEM | 213800FO5W73GCM37192 | 2023 | > 24 months |
| MERCER (BELGIUM) | Belgium | Auderghem | 984500BCA54BEKC53F53 | 2025 | |
| OLIVER WYMAN | Belgium | AUDERGHEM | 54930004CWSPM8NC7568 | 2025 | |
| Mangrove Risk Solutions Bermuda Ltd. | Bermuda | Hamilton | 549300Z6XR6RO3X4DF96 | 2025 | |
| MARSH & MCLENNAN SHARED SERVICES CANADA LIMITED | Canada | TORONTO | 213800HTCCN39FGD8J04 | 2025 | |
| MARSH CANADA LIMITED | Canada | TORONTO | 54930058B2FXJK0SAO78 | 2024 | |
| Marsh Investments Canada Limited (MICL) | Canada | Toronto | 5493009QER3SL8IUEC46 | 2025 | |
| Mercer Alternatives AG | Switzerland | Zürich | 2138004MR24ESX743351 | 2025 | |
| MARSH INSURANCE BROKERS LIMITED | Cyprus | LIMASSOL | 2138003IGF13A7I8ZY65 | 2025 | |
| MARSH & MCLENNAN HOLDING GMBH | Germany | MUNICH | 213800MDPWF3PO53F456 | 2025 | |
| MARSH GMBH | Germany | FRANKFURT AM MAIN | 213800VFEK4VFG5DB282 | 2023 | > 24 months |
| Marsh Re (Germany) GmbH | Germany | München | 391200OCP090JTG67H61 | 2023 | > 24 months |
| Mercer Deutschland GmbH | Germany | Frankfurt am Main | 391200CKSC0EGIGUTU36 | – | |
| Mercer Pensionsfonds AG | Germany | Frankfurt am Main | 529900KJYFG2CYF9UT73 | 2025 | |
| Mercer Treuhand GmbH | Germany | Frankfurt am Main | 391200OWTNR6VWCT9G07 | 2021 | > 24 months |
| ASTERRA RE SOCIEDAD ANONIMA CORREDURIA DE REASEGUROS | Spain | Madrid | 9598001ZWNZ25U1RY576 | 2024 | |
| DEASTERRA PARTNERS SL | Spain | Madrid | 959800PXLDTPFYA8HY71 | 2024 | |
| GUY CARPENTER & CIA SA | Spain | MADRID | 2138004AMBLAH9O79D67 | 2025 | |
| MARSH RISK CONSULTING, S.L. | Spain | Madrid | 959800GTALF8M9DD6L34 | 2024 | |
| MARSH SOCIEDAD ANONIMA MEDIADORES DE SEGUROS | Spain | MADRID | 213800M76MAJHX3E9932 | 2023 | > 24 months |
| MERCER CONSULTING, S.L. | Spain | Madrid | 959800H2LW88B4DW1N17 | 2024 | |
| Marsh McLennan Oy | Finland | ESPOO | 894500SGDOIY4FVZP044 | 2026 | |
| MARSH & MCLENNAN COMPANIES FRANCE | France | PUTEAUX | 213800SKZ2PLRF17C926 | 2023 | > 24 months |
| MARSH RE (FRANCE) S.A.S. | France | PUTEAUX | 969500MNP1JZVOVBYR57 | 2017 | > 24 months |
| MARSH SAS | France | PUTEAUX | 213800BE2Q7C9BT7CO09 | 2023 | > 24 months |
| MERCER (FRANCE) SAS | France | PUTEAUX | 96950018W07WEHJ7VW61 | 2025 | |
| TRIPICA | France | PARIS | 969500ZX66JTV3VO9Z54 | 2025 | |
| CALM FINANCE HOLDINGS LIMITED | United Kingdom | LONDON | 2138004W3H2168MBE686 | 2024 | |
| CALM TREASURY HOLDINGS LIMITED | United Kingdom | LONDON | 21380019CML8X4434616 | 2024 | |
| CARDANO HOLDING LIMITED | United Kingdom | LONDON | 2138007X6O1YVTOGZE94 | 2024 | |
| CASCADE REGIONAL HOLDINGS LIMITED | United Kingdom | LONDON | 213800V75NKPVRS1XK51 | 2024 | |
| FUNDHOUSE BESPOKE LIMITED | United Kingdom | London | 213800TGYWZHG9KPJO17 | 2025 | |
| JLT GROUP HOLDINGS LIMITED | United Kingdom | LONDON | 213800XRWB6SDDCZZ434 | 2024 | |
| JLT LATIN AMERICAN HOLDINGS LIMITED | United Kingdom | LONDON | 213800QT5OWNTTW9B246 | 2025 | |
| JLT PERU WHOLESALE LIMITED | United Kingdom | LONDON | 213800P834FNX82EOX88 | 2025 | |
| JLT WEALTH MANAGEMENT LIMITED | United Kingdom | LONDON | 2138006SO4JRFJ7WKG34 | 2024 | |
| LINCOLN PENSIONS LIMITED | United Kingdom | LONDON | 213800OFZ8LCD5MUBL80 | 2019 | lapsed > 24 months |
| MARSH & MCLENNAN COMPANIES UK LIMITED | United Kingdom | LONDON | 213800VU2KBRQD45KG11 | 2024 | |
| MARSH CORPORATE SERVICES LIMITED | United Kingdom | LONDON | 213800T6MMR46KXQWR88 | 2024 | |
| MARSH LIMITED | United Kingdom | LONDON | 213800IX16L7B7SBQZ26 | 2025 | |
| MARSH MCLENNAN INDIA HOLDINGS LIMITED | United Kingdom | LONDON | 213800G8YK6XYWRQZP24 | 2022 | > 24 months |
| MARSH MCLENNAN REGIONAL HOLDINGS LIMITED | United Kingdom | LONDON | 213800JSA89Y5RGNAX77 | 2024 | |
| MARSH RE (UK) LIMITED | United Kingdom | LONDON | 213800ELBQZYS85L2C05 | 2024 | |
| MARSH SECURITIES (UK) LIMITED | United Kingdom | LONDON | 2138004OB9M9TL96L181 | 2023 | > 24 months |
| MERCER AFRICA LIMITED | United Kingdom | LONDON | 2138008UWQZ6AVLMHN26 | 2024 | |
| MERCER ALTERNATIVES LIMITED | United Kingdom | LONDON | 213800CDTWE98WGDPY11 | 2025 | |
| MERCER LIMITED | United Kingdom | LONDON | 213800R1B3QMMKVP2A27 | 2024 | |
| MERCER RISK MANAGEMENT LIMITED | United Kingdom | LONDON | 213800Y8ZDXBTHEIVW06 | 2025 | |
| MMC CAPITAL SOLUTIONS UK LIMITED | United Kingdom | LONDON | 213800DG3XQI5OHDG690 | 2024 | |
| MMC FINANCE (US) LIMITED | United Kingdom | LONDON | 213800JIVPB31RR4QK13 | 2024 | |
| MMC FINANCE HOLDINGS (US) LIMITED | United Kingdom | LONDON | 213800UK9HYUCQ919I36 | 2024 | |
| MMC FINANCE UK LIMITED | United Kingdom | LONDON | 213800EUCGPGKGU56286 | 2024 | |
| MMC HOLDINGS (UK) LIMITED | United Kingdom | LONDON | 213800RSIZGJLW4E3S66 | 2024 | |
| MMC INTERNATIONAL LIMITED | United Kingdom | LONDON | 2138005TW367EHU4UY96 | 2024 | |
| MMC INTERNATIONAL TREASURY CENTRE LIMITED | United Kingdom | LONDON | 213800P851UZCLVK4X17 | 2023 | > 24 months |
| MMC UK GROUP LIMITED | United Kingdom | LONDON | 2138009HD5CR1PVHM171 | 2024 | |
| NOW:PENSION TRUSTEE LTD. | United Kingdom | LONDON | 549300YQE0KO6ODXA245 | 2026 | |
| OLIVER WYMAN LIMITED | United Kingdom | LONDON | 213800IVT16C5ICBZS66 | 2024 | |
| OLIVER WYMAN SERVICES LIMITED | United Kingdom | LONDON | 213800OMBTYICIFGPQ11 | 2024 | |
| MANGROVE INSURANCE GUERNSEY PCC LIMITED | Guernsey | ST PETER PORT | 213800526RA3SPZ1L981 | 2025 | |
| MARSΗ ΕΤΑΙΡΕΙΑ ΠΕΡΙΟΡΙΣΜΕΝΗΣ ΕΥΘΥΝΗΣ ΜΕΣΙΤΕΣ ΑΣΦΑΛΙΣΕΩΝ | Greece | MAROUSI | 213800PNAX8MBRLYV580 | 2023 | > 24 months |
| Irish Pensions Trust Limited | Ireland | Dublin | 635400CRNEXXF6XK4R53 | 2025 | |
| MARSH & MCLENNAN FINANCE LIMITED | Ireland | DUBLIN | 213800UTBRWG4K5KCG51 | 2025 | |
| MARSH IRELAND BROKERS LIMITED | Ireland | DUBLIN | 213800KMEQEN7HGHUW35 | 2024 | |
| MARSH MANAGEMENT SERVICES (DUBLIN) LIMITED | Ireland | DUBLIN | 213800XHU2TZL8PK7X59 | 2023 | > 24 months |
| Marsh McLennan Ireland Limited | Ireland | Dublin | 6354007PNAVDWVM4YW79 | 2023 | > 24 months |
| MARSH SECURITIES (IRELAND) LIMITED | Ireland | DUBLIN | 213800DV5ZCG6BY7OS20 | 2024 | |
| Mercer (Ireland) Limited | Ireland | Dublin | 635400DBMLUESBJGLW24 | 2024 | |
| MERCER GLOBAL INVESTMENTS EUROPE LIMITED | Ireland | DUBLIN | 213800PT1UEZII2FGW07 | 2025 | |
| MERCER GLOBAL INVESTMENTS MANAGEMENT LIMITED | Ireland | Dublin | 5493007RODP0KG30F330 | 2023 | > 24 months |
| Mercer Ireland Holdings ltd | Ireland | Dublin 2 | 635400JLB3WFYSTYYH04 | 2025 | |
| PI Indemnity Company, Designated Activity Company | Ireland | Dublin | 635400DJLZ6WRI5FAO59 | 2024 | |
| MARSH INDIA INSURANCE BROKERS PRIVATE LIMITED | India | MUMBAI | 335800DL4MEGPH7W3279 | 2025 | |
| MARSH MCLENNAN (INDIA) PRIVATE LIMITED | India | MUMBAI | 3358009AAWWHJ9NHP106 | 2025 | |
| MARSH RE (ITALY) S.R.L. | Italy | MILANO | 815600F51363850F2E85 | 2027 | |
| MARSH S.P.A. | Italy | MILANO | 815600E40AB1C32CA179 | 2026 | |
| MERCER ITALIA S.R.L. | Italy | MILANO | 815600CE209EEA50E241 | 2027 | |
| MERCER ITALIA SOCIETA' D'INTERMEDIAZIONE MOBILIARE S.P.A. | Italy | ROMA | 8156003E1EA9AF9ADB44 | 2027 | |
| MARSH & MCLENNAN COMPANIES FINANCE CENTER (LUXEMBOURG) S.À R.L. | Luxembourg | LUXEMBOURG | 213800ZUMANKIFN7DR50 | 2024 | |
| MARSH & MCLENNAN COMPANIES HOLDINGS (LUXEMBOURG) S.À R.L. | Luxembourg | LUXEMBOURG | 2138005P2W3O79T15373 | 2025 | |
| MARSH & MCLENNAN EUROPE S.À R.L. | Luxembourg | LUXEMBOURG | 213800N735CUI6G9R778 | 2024 | |
| Mercer Alternatives (Luxembourg) S.à r.l. | Luxembourg | Luxembourg | 529900SB15VB9O9DHO15 | 2025 | |
| MANGROVE INSURANCE EUROPE PCC LIMITED | Malta | ST. JULIAN'S | 213800G81GJ1SZALXX44 | 2019 | > 24 months |
| Cardano Asset Management N.V. | Netherlands | Rotterdam | 724500WRBHAIP5DV7I77 | 2025 | |
| Cardano Nederland B.V. | Netherlands | Rotterdam | 724500M6SPV94YQ7IH93 | 2025 | |
| Cardano Risk Management B.V. | Netherlands | Rotterdam | 724500M76LX58E3PW491 | 2026 | |
| JLT ASIA HOLDINGS B.V. | Netherlands | ROTTERDAM | 213800BM9WNCQ1XBV664 | 2024 | |
| MARSH B.V. | Netherlands | ROTTERDAM | 213800ULQ3BRCWTHAS66 | 2024 | |
| MARSH MCLENNAN INVESTMENT B.V. | Netherlands | ROTTERDAM | 7245002VBPD370Y4PU29 | 2025 | |
| MERCER (NEDERLAND) B.V. | Netherlands | ROTTERDAM | 724500VM1B0N3Y434K85 | 2025 | |
| SEDGWICK INTERNATIONAAL B.V. | Netherlands | ROTTERDAM | 724500LUKTJEZ6BXF239 | 2025 | |
| VICTOR INSURANCE EUROPE B.V. | Netherlands | ROTTERDAM | 7245005QLFP577LJ4U56 | 2024 | |
| MARSH MCLENNAN AS | Norway | OSLO | 213800LIW1BGLIXKVI84 | 2023 | > 24 months |
| MERCER (N.Z.) LIMITED | New Zealand | Auckland | 549300KDYRRSIMOE0Q05 | 2025 | |
| MARSH LDA | Portugal | Lisboa | 894500R53YY955L1TH15 | 2026 | |
| MERCER (PORTUGAL) - RECURSOS HUMANOS, LDA | Portugal | Arroios | 984500AF73C8CF2DLF56 | 2025 | |
| MARSH BROKER DE ASIGURARE-REASIGURARE SRL | Romania | Bucureşti | 9845004E85F862D06068 | 2025 | |
| Marsh Saudi Arabia Insurance and Reinsurance Brokers | Saudi Arabia | Riyadh | 558600BL1W5AT0VEYG64 | 2022 | lapsed > 24 months |
| Guy Carpenter & Company Aktiebolag | Sweden | Stockholm | 549300UCIY3LKSSV7V69 | 2025 | |
| Marsh McLennan AB | Sweden | Stockholm | 98450008E060D8A37152 | 2024 | |
| MARSH MANAGEMENT SERVICES SINGAPORE PTE LTD | Singapore | Singapore | 9845006A58CC799FD386 | 2024 | > 24 months |
| MARSH & MCLENNAN SHARED SERVICES LLC | United States | WILMINGTON | 213800NOX6NYIJDB5E30 | 2024 | > 24 months |
| MARSH INSURANCE & INVESTMENTS LLC | United States | WILMINGTON | 213800UEJ24KJ8L46N23 | 2025 | |
| MARSH INVESTMENTS US LLC | United States | WILMINGTON | 549300EH2E3BUOC07W92 | 2026 | |
| MARSH RE LLC | United States | WILMINGTON | 213800A3VZWSUTN9KO41 | 2025 | |
| MARSH USA LLC | United States | WILMINGTON | 2138001WTA8PS1BEXM38 | 2025 | |
| MERCER HOLDINGS, LLC | United States | WILMINGTON | 549300K6XTH0G5NL0674 | 2024 | |
| MERCER INVESTMENT SOLUTIONS LLC | United States | WILMINGTON | 549300SV4EJ2RT08LH72 | 2025 | |
| MMC INTERNATIONAL HOLDINGS LLC | United States | WILMINGTON | 984500FDG50546360B15 | 2025 | |
| OLIVER WYMAN, LLC | United States | WILMINGTON | 213800U83R24UBHXCH75 | 2025 | |
| MERCER LIMITED | British Virgin Islands | ROAD TOWN | 2549006I3PFVVTFMTO02 | 2025 |