Vietnam’s newly amended Corporate Income Tax Law, effective from October 2025, marks a major shift in the country’s tax regime. Key updates include preferential tax rates for SMEs, a groundbreaking approach to taxing capital gains for non-resident investors, tightened rules on deductible expenses, and alignment with global minimum tax initiatives. This comprehensive analysis outlines what businesses need to know—and how to strategically respond—to thrive in Vietnam’s fast-evo