Vietnam's economy grew 8.02% in 2025 and is projected to expand a further 6.5–7% in 2026 — making it one of Southeast Asia's most attractive markets for foreign investment. For companies testing the waters before full commitment, representative office setup in Vietnam offers a low-risk, fast entry point. But securing the license is only half the equation. This guide covers the regulatory pathway, the fresh 2026 cost data most guides miss, and the workspace decisions that determine whether your RO becomes a launchpad or a liability.