How to Write a Cross-Border B2B Overseas Private Domain Operations SOP: A Five-Stage Process from Lead Intake to Handover and Internal Control

Cross-border B2B teams shifting inquiries from email to WhatsApp, Telegram, LINE, and Zalo can structure an SOP around five stages—intake, first response, intent qualification, stage-based follow-up, and handover/internal control—and define each stage's owner, time limit, and required records. This article provides concrete steps for each stage, examples of tiered questions, a follow-up stage reference table, and a handover note template, while clarifying the boundaries of compliant intake and data measurement.