This research investigates the relationship between supply chain management (SCM) strategy, strategic management accounting, internal and external orientation of companies, and their impact on company growth. The study utilizes a quantitative method using a questionnaire designed with a Likert scale ranging from 1 to 7 points. The sample used in this research reached 215 respondents. The respondents in this study are employees, staff, and managers of public sector companies in Indonesia. Data analysis was conducted using Structural Equation Modelling (SEM) analysis using SmartPLS 4.0 software. The results indicate that SCM strategy significantly influences internal and external orientation. Similarly, strategic management accounting has a significant impact on internal and external orientation. Both internal and external orientations significantly contribute to company growth. In the mediating role, both internal and external orientations have a significant impact on the relationship between SCM strategy and strategic management accounting with company growth.