GlaxoSmithKline Consumer Nigeria maintained its corporate head office at GSK House on Industrial Avenue in Ilupeju, Lagos, with published consumer-care email and Lagos landlines for enquiries; according to GSK’s Nigeria page, distribution and supply queries for medicines and vaccines are handled by independent distributor Worldwide Commercial Ventures Limited (WWCVL), which provides customer service from Lagos while legacy registrar and market notices still reflect the Ilupeju corporate address for records.