Sanofi-Aventis Nigeria Limited is the Nigerian affiliate office of Sanofi located in Japaul House, Ikeja CBD, where it coordinates engagement with healthcare stakeholders and supports access to Sanofi’s medicines and vaccines; public listings confirm the Lagos address and Nigeria telephone line, and Sanofi provides a published quality contact email for Partner Markets Africa while the company has transitioned to a third-party distribution model for Nigeria since late 2023.