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Marsh McLennan Subsidiaries & Acquisitions

Marsh & McLennan has expanded its global reach through strategic subsidiaries and acquisitions in insurance, risk management, health, and technology. These moves have strengthened its services and positioned the company as a leading provider of risk and advisory solutions across various industries.

Notable Acquisitions of Marsh McLennan

  1. Jardine Lloyd Thompson Group (Sep 2018) – Risk management, insurance, and reinsurance brokerage.
  2. Bluefin (Nov 2016) – Insurance brokerage and financial planning services.
  3. Sedgwick Group (Aug 1998) – Global provider of claims management and risk solutions.
  4. Wortham Insurance & Risk Management (Jun 2018) – Risk management and employee benefits services.
  5. Otis-Magie Insurance Agency (Dec 2018) – Commercial and personal insurance solutions.
  6. Trideo Systems (Jul 2023) – Technology solutions for insurance and risk management.
  7. The Graham Company (Aug 2023) – Insurance brokerage with a focus on risk management.
  8. Clark Insurance (Jun 2022) – Insurance and employee benefits services.
  9. Torrent Technologies (Oct 2014) – Flood insurance solutions using cloud-based technology.
  10. JLT South Africa (Mar 2019) – Insurance and risk management services in Africa.

List of Marsh McLennan Acquisitions

S. No.Acquiree NameAnnounced DatePrice
1Horton GroupJul 09, 2024–
2Hudson Shore GroupJul 02, 2024–
3Ameristar AgencyJul 02, 2024–
4Perkins Insurance AgenciesMay 31, 2024–
5AC Risk ManagementMay 02, 2024–
6FbbinsuranceApr 23, 2024$315.9M
7Louisiana CompaniesFeb 20, 2024–
8Querbes & NelsonFeb 20, 2024–
9The Graham CompanyAug 01, 2023–
10Trideo SystemsJul 11, 2023–
11Integrity HRJul 06, 2023–
12Steinberg & AssociatesSep 01, 2022–
13CS Insurance StrategiesJul 05, 2022–
14Clark InsuranceJun 02, 2022–
15Vaaler InsuranceSep 02, 2021–
16Paynewest InsuranceApr 05, 2021–
17Heritage Insurance ServiceDec 02, 2020–
18Momentous Insurance BrokerageJan 31, 2020–
19CenturionApr 03, 2019–
20Lovitt & ToucheApr 02, 2019–
21JLT South AfricaMar 25, 2019–
22Roger Bouchard InsuranceJan 22, 2019–
23Otis-Magie Insurance AgencyDec 11, 2018–
24James P Murphy & AssociatesDec 06, 2018–
25Eustis Insurance & BenefitsOct 03, 2018–
26Jardine Lloyd Thompson GroupSep 18, 2018$5.6B
27Klein AgencyJul 03, 2018–
28Wortham Insurance & Risk ManagementJun 25, 2018–
29Highsmith InsuranceFeb 08, 2018–
30Insurance Partners Of TexasMay 08, 2017–
31RJF Financial ServicesApr 05, 2017–
32BlakestadMar 02, 2017–
33IaconsultingFeb 07, 2017–
34J Smith Lanier & CoJan 13, 2017–
35AD Corretora De SegurosDec 13, 2016–
36Benefits Resource GroupDec 05, 2016–
37Presidio Benefits GroupDec 01, 2016–
38BluefinNov 14, 2016£295M
39Vero InsuranceOct 04, 2016–
40Benefits Advisory Group (BAG)Sep 01, 2016–
41Corporate Consulting ServicesApr 04, 2016–
42Celedinas Insurance GroupMar 02, 2016–
43Aviation SolutionsMar 01, 2016–
44JelfDec 01, 2015–
45Dawson InsuranceNov 04, 2015–
46Dovetail InsuranceAug 06, 2015–
47Vézina AssurancesJul 01, 2015–
48MHBTJun 01, 2015–
49SME Insurance ServicesJun 01, 2015–
50Sylvite Financial ServicesMay 05, 2015–
51Sumitomo Life Insurance Agency AmericaMay 01, 2015–
52The Benefit Planning GroupJan 08, 2015–
53Ingeseg SaJan 01, 2015–
54Insurance Services OfficeNov 07, 2014–
55Torrent TechnologiesOct 20, 2014–
56Seguros Morrice Y Urrutia SaJun 18, 2014–
57SDM&R IncMay 30, 2014–
58VisicorMay 19, 2014–
59Kinker-Eveleigh Insurance AgencyMay 09, 2014–
60Capstone Insurance ServicesApr 04, 2014–
61Barney & BarneyMar 10, 2014–
62The Bond NetworkMar 05, 2014–
63Great Lakes Employee Benefits ServicesMar 03, 2014–
64Mcgraw WentworthJan 07, 2013–
65Liscomb Hood MasonJan 04, 2013–
66Independent Insurance Group BenefitsDec 20, 2012–
67Brower Insurance AgencyDec 05, 2012–
68The Protector Group Insurance AgencyNov 08, 2012–
69Howalt+Mcdowell InsuranceNov 05, 2012–
70Rosenfeld EinsteinSep 10, 2012–
71Eidson InsuranceSep 06, 2012–
72Security Insurance ServicesJul 09, 2012–
73Progressive Benefit SolutionsJun 08, 2012–
74KSPH LlcMar 13, 2012–
75Seitlin InsuranceNov 17, 2011–
76Kaeding Ernst & CompanyNov 04, 2011–
77Gallagher AssociatesNov 03, 2011–
78Prescott Pailet BenefitsJul 11, 2011–
79Hampton Roads BondingFeb 07, 2011–
80Haake CompaniesFeb 02, 2011–
81Strategic Benefit SolutionsJan 04, 2011–
82Trion GroupDec 22, 2010–
83The Bostonian GroupMay 03, 2010–
84Thomas RutherfoordMar 16, 2010–
85The Nia GroupDec 21, 2009–
86Insurance AllianceNov 12, 2009–
87Sedgwick GroupAug 25, 1998$2B

List of Marsh & McLennan Subsidiaries

Marsh & McLennan has more than 600 subsidiaries worldwide. The table contains the 100 subsidiaries of Marsh & McLennan –

S. No.CompanyCountry
1Afco Premium Credit LlcUnited States
2Altius Client Gp Ii LlcUnited States
3Altius Client Gp LlcUnited States
4Altius Real Assets Gp LlcUnited States
5Assurance Services CorporationUnited States
6Benecap Insurance Solutions IcUnited States
7Benpool Re IcUnited States
8Blue Marble Microinsurance IncUnited States
9Boulder Claims LlcUnited States
10Carpenter Marsh Fac Re LlcUnited States
11Continental Owner Operators Insurance Services IncUnited States
12Epsilon Us Insurance CompanyUnited States
13Gc Insights LlcUnited States
14Global Premium Finance CompanyUnited States
15Guy Carpenter & Company LlcUnited States
16Guy Carpenter Broking IncUnited States
17Hapip Gp 2009 LlcUnited States
18Hapip Gp LlcUnited States
19Nternational Catastrophe Insurance Managers LlcUnited States
20Jw Terrill Benefit Administrators IncUnited States
21Mangrove Cell 5 IcUnited States
22Mangrove Cell 6 IcUnited States
23Mangrove Delaware Insurance Solutions IncUnited States
24Mangrove Insurance Solutions PccUnited States
25Marsh & Mclennan Agency LlcUnited States
26Marsh & Mclennan Risk Capital Holdings LtdUnited States
27Marsh & Mclennan Shared Services LlcUnited States
28Marsh Financial Services Risk Purchasing GroupUnited States
29Marsh Insurance & Investments LlcUnited States
30Marsh International Holdings LlcUnited States
31Marsh LlcUnited States
32Marsh Ltd WisconsinUnited States
33Marsh Management Services IncUnited States
34Marsh Usa Borrower LlcUnited States
35Marsh Usa LlcUnited States
36Mercer Us LlcUnited States
37Mercer Global Real Estate Select Gp LlcUnited States
38Mercer Health & Benefits Administration LlcUnited States
39Mercer Health & Benefits LlcUnited States
40Mercer Holdings LlcUnited States
41Mercer Hr Consulting Borrower LlcUnited States
42Mercer Hr Services LlcUnited States
43Mercer International Private Equity Select Iii Gp LlcUnited States
44Mercer Investments LlcUnited States
45Mercer Mc Consulting Borrower LlcUnited States
46Mercer System Services LlcUnited States
47Mercer Trust Company LlcUnited States
48Mma Asset Management LlcUnited States
49Mma Securities LlcUnited States
50Mmc Borrower LlcUnited States
51Mmc Capital Solutions Us LlcUnited States
52Mmc International Holdings LlcUnited States
53Mmc Securities LlcUnited States
54Mpip Iii Gp LlcUnited States
55Mpip Iv Gp LlcUnited States
56Mpip V Gp LlcUnited States
57Mpip Vi Gp LlcUnited States
58National Economic Research Associates IncUnited States
59Oliver Wyman Actuarial Consulting IncUnited States
60Oliver Wyman Thailand Holdings LlcUnited States
61Oliver Wyman LlcUnited States
62Pavilion Financial Corporation Holdings Us Iii LlcUnited States
63Pymetrics IncUnited States
64Quacker Ventures LlcUnited States
65Seabury & Smith Borrower LlcUnited States
66Seabury & Smith LlcUnited States
67Shorewest Insurance Associates LlcUnited States
68Smith Long Term Disability Management Group IncUnited States
69Southern Marine & Aviation Underwriters IncUnited States
70The Carpenter Management CorporationUnited States
71Torrent Technologies IncUnited States
72Victor Attorney In Fact LlcUnited States
73Victor Insurance Managers LlcUnited States
74Web Endeavors IncUnited States
75Guy Carpenter Insurance Brokers Beijing Co LtdChina
76Marsh Beijing Risk Management Consulting Co LtdChina
77Marsh China Insurance Brokers Co LtdChina
78Marsh Engineering Consulting Shanghai Co LtdChina
79Mercer China LimitedChina
80Mercer Investment Management Shanghai Co LtdChina
81Oliver Wyman Consulting Shanghai LtdChina
82Private Client Services By Mercer China LimitedChina
83Shanghai Mercer Insurance Brokers Company LtdChina
84Honan Financial Services Unit Trust–
85Honan Insurance Group Wa Unit Trust–
86Macc Asistencias Spa–
87Marsh Management Services Luxembourg Sarl–
88Perils Ag–
89Tripica–
90Jlt Towner Insurance Management Anguilla LimitedAnguilla
91Carpenter Marsh Fac Argentina Corredores De Reaseguros SaArgentina
92Guy Carpenter & Company SaArgentina
93Marsh Argentina SrlArgentina
94Marsh SaArgentina
95Mercer Argentina SauArgentina
96Mm Asistencias SaArgentina
97Mmb Consultores SaArgentina
98Advance Asset Management LimitedAustralia
99Ardrossan Insurance Brokers Pty LtdAustralia
100Austral Insurance Brokers Pty LtdAustralia
  • March 11, 2025

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