I would like to discuss a task similar to “Comparable proposals start with a shared brief.”

The source of the difficulty still needs clarifying.

Possible first output: Comparable proposals and clear reasons to choose a supplier, rather than comparing prices in isolation.

I would like to check whether this first step fits our task and discuss terms for further work.

Our situation: [add details]
What we want to change: [add details]
What we have tried: [add details]