This research explored how digital marketing competencies, specifically social media marketing and content development capabilities, affect international market performance in multinational corporations operating within Rivers State, Nigeria. The study assessed international market performance using three core metrics: brand visibility, market penetration, and revenue growth. A purposive sampling method was employed to select seven multinational companies within the fast-moving consumer goods (FMCG) sector. Utilizing a quantitative methodology and Pearson Product-Moment Correlation (PPMC) analysis, the study found that both social media marketing and content creation capabilities were positively and significantly correlated with all three performance indicators. Social media marketing exhibited the highest correlation with revenue growth, while content creation showed the strongest association with market penetration. These outcomes underscore the critical role of digital marketing in enhancing competitive performance in global markets. Based on the findings, the study advocates for greater investment in digital marketing infrastructure, skill development, and the creation of culturally relevant content to strengthen the international competitiveness of firms based in Rivers State.