Common models
Day rate
Useful when scope is uncertain or the client is explicitly buying specialist capacity. Easy to understand but can punish efficiency.Fixed fee
Best when scope, outputs and boundaries can be defined. Gives the client cost certainty and rewards a repeatable method.Value-informed fixed fee
Set a fixed fee with explicit consideration of the commercial value at stake while keeping the scope and delivery assumptions clear.Retainer
Useful for ongoing advisory, optimisation, governance or managed services. Define what access, outputs and service levels are included.Price a diagnostic using five factors
- Scope: number of processes, teams and locations.
- Stakeholders: number and diversity of interviews and workshops.
- Evidence complexity: interview coverage, screen-observation requirements and expected validation effort.
- Commercial importance: how consequential the decision is.
- Delivery risk: uncertainty, dependencies and turnaround expectations.

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