Composable Commerce vs. Headless Commerce vs. MACH Architecture: What’s the Difference?
Composable commerce, headless commerce and MACH architecture are not the same thing. This guide defines each one, sets out the differences side by side, reviews the MACH Alliance’s 2025 and 2026 research (78% of mature composable adopters report clear AI ROI against 13% of early-stage ones), compares UK job-advert data and published platform prices, and gives a practical way to decide which approach fits your business.
