Group audits, especially under ISA/HKSA 600 (Revised), require more than coordinating separate audits—they demand a proactive, risk-based strategy that integrates component work into a cohesive group opinion. With strengthened expectations around communication, access, supervision, and consolidation testing, principal auditors must orchestrate roles, responsibilities, and documentation across global teams. This article explores practical strategies to scope effectively, manage instruction flows, overcome access limitations, and avoid common failure points. From consolidation walkthroughs to aggregation risk control, successful execution hinges on early planning, robust two-way communications, and disciplined quality management aligned with the latest auditing standards in Hong Kong and internationally.