The decision: The work needs decision, delivery and operating owners.
Examine the situation
A capable agency can build a sound interface while the business still fails to keep delivery information current. An internal team can have the opposite problem: strong operational knowledge but too little capacity to integrate and support a new service. Choose the arrangement around the capabilities and responsibilities the problem demands.
A way to work through it
Map who has authority to define the customer promise, approve trade-offs, supply data, build or configure the solution, handle exceptions and maintain it after launch. Consider an existing platform, internal team, external partner or mixed setup. Ask how decisions are escalated when a dependency belongs to more than one party.
Follow the example
Fictional teaching example. A supplier is assigned the portal and the operations lead assumes the supplier will define delivery exceptions. The supplier assumes operations owns them. An explicit handoff and escalation rule prevents the gap from being discovered by customers.
Try it with your team
For one essential customer journey, write a named decision owner, delivery owner and operating owner. Identify one likely disagreement and who resolves it.
What this does not establish
A responsibility chart does not guarantee capability or trust. Check the parties’ actual capacity, contract boundaries and working cadence.
Output: an ownership map and one escalation rule.