Find the repeated customer journey
List the events that begin a request, the information exchanged, the decisions staff make and the record the customer later needs. A portal earns its place when this journey repeats and the current handoffs create measurable delay or error.
Choose the authoritative records
Define which system owns the client, service, request, document, invoice and status. A new interface should not duplicate records simply because integration is difficult; unclear authority makes correction and reporting worse.
Build roles and exceptions first
Clients, managers, support and finance do not need the same view. Include tenant isolation, escalation, missing-data states, correction routes and audit history before expanding the feature catalogue.
Integrate in controlled releases
Start with one high-value workflow and connect external tools through explicit, idempotent boundaries. Preserve manual review where the provider response or business consequence needs a human decision.
Plan handover and operation
Source ownership, environment inventory, deployment steps, monitoring and data export matter as much as the portal interface. The SME should understand how the system continues if a vendor or staff member changes.
Apply this to a real system.
Bring the context and we will identify the useful first decision.
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