In 2025 we considered how to add a specialist layer to an enterprise service proposition. An internal-build option was estimated at twenty-four months with CNY 36 million in planned development expense. A partner-backed alternative would support a narrower initial offering, with CNY 9 million in integration and proposition expense. The options differed in scope, time and control. I wanted the strategic comparison to preserve those differences instead of presenting the smaller budget as a simple saving on the same undertaking.
The internal-build advocates argued that ownership would provide greater control over future development and reduce dependence on another firm's choices. That was a substantive argument, not resistance to partnership. The commercial team preferred an earlier, more limited offer that could test the customer proposition. I asked both sides to state which customer needs their option would address and which commitments would remain outside it. A broad future capability and a narrower present service could not be compared as if only their cost differed.
I supported the limited partner-backed proposition, subject to the relevant commercial, intellectual-property, technical and security assessments. Those responsibilities stayed with their qualified owners. The CNY 9 million budget described the chosen integration and proposition work; it did not establish that CNY 27 million had been saved. The internal option's CNY 36 million estimate concerned a different development scope and timetable. I also retained the dependency on the partner's agreed role rather than describing the choice as obtaining ownership without building.
The decision gave up some direct control and the broader capability anticipated in the internal option. It required a clear account of what the initial offer could support and what further choices might be needed if the proposition developed. The partner route was not a way to avoid responsibility for the customer undertaking. It changed how part of that undertaking would be supported, making the rights, interfaces and continuing relationship important to the strategic account.
I use this example to explain why make-or-partner decisions need a comparison of actual propositions. A cost difference becomes misleading when the alternatives silently change their scope. The fictional outcome was a narrower initial choice with its expense and dependency disclosed. It was not proof that partnership is generally preferable to building, or that a smaller approved budget measures the full long-term economics of the resulting service.