Strategic Sourcing GuideDecisions. Evidence. Leverage.
RFP & evaluation

Run an RFP that produces a decision

Design the response, evidence and commercial comparison before you ask suppliers to compete.

Strategic Sourcing GuideReviewed 5 October 2026Independent buyer guidance
Buyer principle

Work backward from the award decision and the evidence required to defend it.

The event control sequence

03 / An RFP is a sequence of evidence gates
01PrepareScope, owners, criteria
02InviteQualified field, clear rules
03ProveResponses, demos, references
04CompareEconomics, risks, evidence
05CommitApproved award, contract

Assign one process owner and one communication channel. Name evaluators, approvers and specialist reviewers before the launch. Confirm conflicts of interest and confidentiality arrangements appropriate to the event.

Set the sourcing approach and decision gates before launching the event.

Build a response pack that can be evaluated

Minimum useful RFP architecture
ComponentBuyer instruction
Business contextExplain the outcome, users, volumes and operational constraints without disclosing unnecessary sensitive information.
RequirementsSeparate mandatory gates, evaluated needs and optional capabilities. Require evidence and assumptions.
ImplementationRequest responsibilities, dependencies, resource plan, acceptance and time to useful operation.
Commercial scheduleSpecify units, scenarios, term, inclusions, optional charges and treatment of growth.
Contract positionsSurface material commercial and legal requirements early; request explicit deviations.
ProcessState deadlines, questions procedure, evaluation approach and decision authority.

Ask suppliers to respond in a structured format while leaving room for alternative proposals. An alternative should be priced and explained separately from the compliant response so that creativity does not destroy comparability.

Control clarifications and changes

Publish answers to material common questions consistently, with confidential supplier details removed. Maintain a versioned amendment log. If the scope changes materially, give participants enough time to revise. Do not allow an individual stakeholder to provide private guidance that changes the competitive field.

At submission, check completeness and identify clarification needs before scoring. Distinguish an ambiguity that can be clarified from an offer change that requires a controlled process under your applicable rules. Preserve original responses and the record of changes.

Move from scoring to selection

Use independent scoring, evidence discussion, scripted demos, references and normalized economics. Resolve disqualifying issues before allowing a high average score to dominate. Keep an alternative viable while the preferred option’s contract and implementation assumptions are being finalized.

  • Document the recommendation and material exceptions.
  • Complete required approvals before making supplier commitments.
  • Carry evaluated promises into the agreement and implementation plan.
  • Provide appropriate feedback and close the event with an audit trail.

Sources & context

The decision frameworks and illustrative examples are original editorial guidance. Sources support the stated context; they do not endorse this guide.

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