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List of principal companies included in the scope of consolidation during 2023
 12 Months Ended
Dec. 31, 2023
Interests In Other Entities [Abstract]  
List of principal companies included in the scope of consolidation during 2023 List of principal companies included in the scope of consolidation during 2023
F.1. Principal fully consolidated companies
The table below shows Sanofi’s principal subsidiaries and their country of incorporation:
EuropeFinancial interest (%) as of December 31, 2023
Hoechst GmbHGermany100.0 
Sanofi-Aventis Deutschland GmbHGermany100.0 
A. Nattermann & Cie. GmbHGermany100.0 
Sanofi-Aventis GmbHAustria100.0 
Sanofi BelgiumBelgium100.0 
Ablynx NV
Belgium100.0 
Genzyme Flanders BV
Belgium100.0 
Sanofi A/SDenmark100.0 
Sanofi-Aventis SA
Spain100.0 
Opella Healthcare Spain, SL
Spain100.0 
Sanofi OyFinland100.0 
SanofiFrance100.0 
Sanofi-Aventis FranceFrance100.0 
Sanofi Winthrop IndustrieFrance100.0 
Sanofi-Aventis Recherche & DéveloppementFrance100.0 
Sanofi-Aventis GroupeFrance100.0 
Sanofi ChimieFrance100.0 
Sanofi-Aventis ParticipationsFrance100.0 
Sanofi PasteurFrance100.0 
Aventis Pharma S.A.France100.0 
Sanofi BiotechnologyFrance100.0 
Sanofi Mature IPFrance100.0 
Sanofi Pasteur NVLFrance100.0 
Sanofi Pasteur EuropeFrance100.0 
SECIPE SASFrance100.0 
Sanofi Pasteur Merieux SAS
France100.0 
Opella Healthcare International SASFrance100.0 
Opella Healthcare France SASFrance100.0 
Opella Healthcare Group SASFrance100.0 
Genzyme Polyclonals SAS
France
100.0 
Sanofi-Aventis A.E.B.E.Greece100.0 
Sanofi-Aventis Private Co, LtdHungary99.6 
Chinoin Private Co. LtdHungary99.6 
Opella Healthcare Hungary Commercial K.F.THungary99.6 
Opella Healthcare Hungary K.F.T
Hungary
99.6 
Carraig Insurance DACIreland100.0 
Genzyme Ireland LimitedIreland100.0 
Sanofi-Aventis Holdings (Ireland) LtdIreland100.0 
Sanofi SRL
Italy100.0 
Opella Healthcare Italy SRL
Italy100.0 
Genzyme Global SarlLuxembourg100.0 
Genzyme Luxembourg SarlLuxembourg100.0 
Sanofi-Aventis Norge ASNorway100.0 
Sanofi BV
Netherlands100.0 
Sanofi Foreign Participations BV
Netherlands100.0 
Sanofi-Aventis Sp. z.o.o.Poland100.0 
Opella Healthcare Poland sp.z.o.o.
Poland100.0 
Sanofi Pasteur Sp. z.o.o.Poland100.0 
Sanofi Produtos Farmaceuticos LdaPortugal100.0 
Sanofi-Aventis, s.r.o.Czech Republic100.0 
Opella Healthcare Czech s.r.oCzech Republic100.0 
EuropeFinancial interest (%) as of December 31, 2023
Sanofi Romania SRLRomania100.0 
Opella Healthcare Romania SRL
Romania100.0 
Sanofi-Aventis UK Holdings LimitedUnited Kingdom100.0 
Aventis Pharma LimitedUnited Kingdom100.0 
Sanofi-Synthelabo UK LtdUnited Kingdom100.0 
Aventis Pharma Holdings LtdUnited Kingdom100.0 
Opella Healthcare UK LimitedUnited Kingdom100.0 
AO Sanofi RussiaRussia100.0 
Opella Healthcare LLCRussia100.0 
Sanofi ABSweden100.0 
Sanofi-Aventis (Suisse) SASwitzerland100.0 
Genzyme Global Sarl Baar Intellectual Property BranchSwitzerland100.0 
Sanofi Ilac Sanayi ve Ticaret AS
Turkey100.0 
Sanofi Pasteur Asi Ticaret AS
Turkey100.0 
Opella Healthcare Tüketici Sağlığı Anonim Şirketi
Turkey100.0 
Sanofi Saglik Urunleri Limited SirketiTurkey100.0 
United StatesFinancial interest (%) as of December 31, 2023
Genzyme Therapeutic Products Limited PartnershipUnited States100.0 
Aventis Inc.United States100.0 
Sanofi US Services Inc.United States100.0 
Sanofi-Aventis U.S. LLCUnited States100.0 
Chattem, Inc.United States100.0 
Aventisub LLCUnited States100.0 
Genzyme CorporationUnited States100.0 
Sanofi Pasteur Inc.United States100.0 
VaxServe, Inc.United States100.0 
Bioverativ Inc.United States100.0 
Bioverativ U.S. LLCUnited States100.0 
Bioverativ Therapeutics Inc.United States100.0 
Principia Biopharma Inc.United States100.0 
Sanofi Research Invest LLCUnited States100.0 
Sanofi Bioverativ Holdings LLCUnited States100.0 
RPR US Ltd.United States100.0 
Kadmon Corporation, LLCUnited States100.0 
AmunixUnited States100.0 
Synthorx, IncUnited States100.0 
Provention BioUnited States100.0 
QRIB Intermediate Holding
United States100.0 
QRI
United States100.0 
TargeGen Inc.
United States100.0 
Chattem (GB) Holding
United States100.0 
Translate Bio, Inc.
United States100.0 
Other CountriesFinancial interest (%) as of December 31, 2023
Sanofi-Aventis South Africa (Pty) LtdSouth Africa100.0 
Sanofi-Aventis AlgérieAlgeria100.0 
Sanofi Arabia Trading Company LimitedSaudi Arabia100.0 
Sanofi-Aventis Argentina SA
Argentina100.0 
Sanofi-Aventis Healthcare Pty LtdAustralia100.0 
Sanofi-Aventis Australia Pty LtdAustralia100.0 
Sanofi Medley Farmaceutica LtdaBrazil100.0 
Opella Healthcare Brazil Ltda.
Brazil100.0 
Sanofi-Aventis Canada Inc.Canada100.0 
Sanofi Pasteur LimitedCanada100.0 
Merieux Canada Holdings ULC (Canada)Canada100.0 
Sanofi (Hangzhou) Pharmaceuticals Co., LtdChina100.0 
Sanofi (China) Investment Co., LtdChina100.0 
Sanofi (Beijing) Pharmaceuticals Co.LtdChina100.0 
Sanofi Pasteur Biologies Co., LtdChina100.0 
Shenzhen Sanofi pasteur Biological Products Co, LtdChina100.0 
Shanghai Rongheng Pharmaceutical Co, LtdChina100.0 
Sanofi-Aventis de Colombia SA
Colombia100.0 
Sanofi-Aventis Korea Co. LtdSouth Korea100.0 
Sanofi Pasteur LtdSouth Korea100.0 
Opella healthcare Korea Inc.South Korea100.0 
Sanofi-Aventis Gulf FZEUnited Arab Emirates100.0 
Sanofi EgyptEgypt99.8 
Sanofi Hong-Kong LimitedHong Kong100.0 
Sanofi India LimitedIndia60.4 
Sanofi Healthcare India Private LimitedIndia99.9 
Sanofi-Aventis Israël LtdIsrael100.0 
Sanofi K.K.Japan100.0 
SSP Co.,LtdJapan100.0 
Sanofi-Aventis (Malaysia) SDN. BHD.Malaysia100.0 
Sanofi-Aventis MarocMorocco100.0 
Sanofi-Aventis de Mexico SA de CV
Mexico100.0 
Sanofi Pasteur SA de CV
Mexico100.0 
Azteca Vacunas, SA de CV
Mexico100.0 
Sanofi-Aventis de Panama SA
Panama100.0 
Opella Healthcare Panama SA
Panama100.0 
Sanofi-Aventis Puerto Rico IncPuerto Rico100.0 
Sanofi-Aventis Philippines Inc.Philippines100.0 
Opella Healthcare Philippines Inc.Philippines100.0 
Sanofi-Aventis Singapore Pte. LtdSingapore100.0 
Aventis Pharma (Manufacturing) Pte. LtdSingapore100.0 
Sanofi Manufacturing Pte LtdSingapore100.0 
Sanofi Taiwan Co., LtdTaiwan100.0 
Sanofi-Aventis (Thailand) LtdThailand100.0 
Sanofi Pasteur LtdThailand100.0 
Sanofi-Aventis de Venezuela SA
Venezuela100.0 
Sanofi-Aventis Vietnam Company LimitedVietnam100.0 
Sanofi Vietnam Shareholding Company LimitedVietnam85.0 
F.2. Principal investments accounted for using the equity method
Financial interest (%) as of December 31, 2023
Haleon US, LP
United States11.7 
Infraserv GmbH & Co. Höchst KGGermany31.2 
MapharMorocco48.3 
MCM Vaccine BV
Netherlands50.0 
MSP Vaccine Company (formerly MCM company)United States50.0 
EUROAPIFrance29.8