On this page
- What the lifecycle is
- Stage 1: Plan
- Stage 2: Specify
- Stage 3: Source
- Stage 4: Select
- Stage 5: Contract
- Stage 6: Order and receive
- Stage 7: Pay
- Stage 8: Review
- Stages at a glance
- A lifecycle in action
- Light and full versions
- Where value leaks, in order of cost
- Roles at each stage in a mid-sized company
- How software maps to the lifecycle
- Vocabulary worth knowing
- Lifecycle in a small company
- Where to go from here
- Frequently asked questions
Key takeaways
- The lifecycle has eight stages: plan, specify, source, select, contract, order and receive, pay, and review.
- Each stage should produce a named output, such as a requirement document or a signed contract.
- Teams lose the most value at the first and last stages: poor planning up front and no review at the end.
- The lifecycle is a loop. Review findings feed the next planning round.
- You can run it lightly for small buys and fully for strategic ones.
Most teams describe procurement as buying things. Look closer and the buying is a short moment in the middle of a much longer story. The story begins months before an order and carries on years after it.
That longer story is the procurement lifecycle. Seeing the whole of it helps you find where value leaks out.
What the lifecycle is
The procurement lifecycle is the sequence of stages a purchase goes through, from deciding what the organization needs to reviewing how the supplier performed. Some sources say five stages and others say ten. The differences are mostly where the lines are drawn. Eight stages, shown below, keep each one distinct enough to assign an owner.
Procure to pay describes the transactional chain of request, order, receipt and payment. The lifecycle is wider: it adds planning, specification, selection, contracting and supplier review. See procure to pay process for the transaction chain.
Stage 1: Plan
Work out what the business will need and when. Look at last year's spend, upcoming projects, contracts ending and growth plans. The output is a rough buying calendar with owners.
Where it goes wrong: no planning at all. Every purchase is urgent, nobody has time to compare suppliers and the business accepts whatever price it is offered.
Stage 2: Specify
Define exactly what you want. For goods, that means technical specifications, quantities and quality standards. For services, it means deliverables, service levels and success criteria. The output is a clear requirement document.
Where it goes wrong: vague requirements. Suppliers quote on different assumptions, so you cannot compare quotes, and disputes follow after delivery.
Stage 3: Source
Find potential suppliers. Check existing suppliers, ask colleagues, search the market and invite the most credible to respond. For larger buys, you issue a formal request such as an RFI, RFQ or RFP. See RFI vs RFP vs RFQ and what is strategic sourcing.
Where it goes wrong: asking too few suppliers, or only the incumbent. Competition is the cheapest lever you have.
Stage 4: Select
Evaluate responses against criteria you set before opening them. Score on price, quality, delivery, risk and fit. Check references and run due diligence. The output is a decision with a written rationale.
Where it goes wrong: deciding on price alone, or deciding first and justifying later. Our guide on how to choose a supplier shows a fairer method.
Stage 5: Contract
Negotiate and sign terms. Cover scope, price, payment, service levels, liability, data protection, renewal and exit. The output is a signed agreement stored somewhere everyone can find it. See types of procurement contracts.
Where it goes wrong: signing the supplier's template without edits, and losing the signed copy in someone's inbox.
Stage 6: Order and receive
Raise the purchase order, let the supplier deliver and record what arrived. The output is a receipt linked to the order.
Where it goes wrong: nobody records receipt, so payment depends on trust.
Stage 7: Pay
Match the invoice to the order and the receipt, resolve exceptions and pay on agreed terms. The output is a paid invoice and an updated ledger. See the invoice approval and GRN guide.
Where it goes wrong: paying without a match, or paying late and damaging the relationship.
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Stage 8: Review
Assess the supplier against what was promised. Update the scorecard, record lessons, decide whether to renew, renegotiate or replace. The output is a documented decision and lessons for the next cycle. See vendor performance management.
Where it goes wrong: skipped entirely. The business then renews on autopilot, with no evidence either way.
Stages at a glance
| Stage | Main question | Typical owner | Output |
|---|---|---|---|
| Plan | What will we need? | Procurement with budget owners | Buying calendar |
| Specify | What exactly do we want? | Requester with procurement | Requirement document |
| Source | Who could supply it? | Procurement | Shortlist |
| Select | Who is best? | Evaluation panel | Decision record |
| Contract | On what terms? | Procurement and legal | Signed agreement |
| Order and receive | Did we get what we ordered? | Buyer and requester | PO and receipt |
| Pay | Is the invoice right? | Accounts payable | Paid invoice |
| Review | Was it worth it? | Relationship owner | Scorecard and decision |
A lifecycle in action
Plan: the facilities manager notes that the cleaning contract ends in nine months.
Specify: she writes the scope: five sites, daily cleaning, monthly deep clean, response time for incidents.
Source: she invites the incumbent and four other providers to quote.
Select: a panel of three scores each on price, references, insurance and staff vetting. The incumbent is second.
Contract: the winner signs a two-year agreement with a quarterly review clause and 60 days notice.
Order, receive, pay: monthly invoices are matched to signed completion sheets.
Review: after six months, scorecard data shows missed deep cleans at one site. The review prompts a corrective plan, well before renewal.
Light and full versions
Not every purchase needs eight stages in full. Scale the lifecycle to the risk and value.
- Low value, low risk: requisition, order, receive, pay. Review at renewal if it recurs.
- Medium value: add a quick comparison of two or three suppliers and a short written decision.
- High value or high risk: run the full cycle with formal sourcing, scored evaluation, legal review and scheduled supplier reviews.
Where value leaks, in order of cost
- Planning. Late buying removes competition and leverage.
- Specification. A vague specification gets you what the supplier wants to sell, not what you need.
- Review. No feedback loop means mistakes repeat.
- Contracting. Missed renewal clauses and weak exit terms are expensive and slow to fix.
- Receiving. Paying for undelivered goods is rare but entirely avoidable.
Roles at each stage in a mid-sized company
| Stage | Requester | Budget holder | Procurement | Finance | Legal |
|---|---|---|---|---|---|
| Plan | Provides needs | Sets budget | Builds calendar | Reviews forecast | Not involved |
| Specify | Writes requirement | Confirms | Challenges and refines | Not involved | Not involved |
| Source and select | Scores | Approves choice | Runs the process | Checks suppliers | Consulted on risk |
| Contract | Reviews scope | Approves | Negotiates | Reviews payment terms | Reviews terms |
| Order and receive | Confirms receipt | Not involved | Issues PO | Not involved | Not involved |
| Pay | Answers queries | Approves exceptions | Supports | Matches and pays | Not involved |
| Review | Gives feedback | Decides on renewal | Compiles scorecard | Checks spend | Consulted on termination |
How software maps to the lifecycle
Different tools cover different stages. Spend analysis supports planning. eSourcing supports source and select. Contract management covers the contract stage. Purchase order and P2P tools cover order to pay. Supplier performance tools cover review. Suites combine several. Our source to pay software page explains the combined approach.
- We plan our major buys at least a quarter ahead.
- Requirements are written down before suppliers are approached.
- Purchases above your approval limit compare at least three suppliers.
- Selection criteria are set before bids are opened.
- Every contract is stored in one place with renewal dates.
- Receipts are recorded before payment.
- We review key suppliers at least yearly.
Vocabulary worth knowing
- Category. A group of similar spend, such as IT hardware or logistics, managed together.
- Requirement. A written statement of what you need.
- Evaluation criteria. The factors, with weights, used to compare suppliers.
- Award. The decision to give the business to a chosen supplier.
- Call-off. An order placed under an existing framework agreement.
- Spend under management. The share of spend that follows a defined process.
Lifecycle in a small company
A ten-person company does not need eight formal stages. It does need the habits. Before buying anything that needs sign-off, write down what you need, ask at least two suppliers, agree terms in writing, record the order, check what arrives and note afterwards whether you would use the supplier again. That is the whole lifecycle in six sentences.
Where to go from here
For the planning end, see what is spend analysis and what is strategic sourcing. For the contract stage, see types of procurement contracts. For review, see vendor performance management.
Frequently asked questions
What are the stages of the procurement lifecycle?
Plan, specify, source, select, contract, order and receive, pay, and review. Some models merge or split stages, but the sequence is the same.
What is the difference between the procurement lifecycle and procure to pay?
Procure to pay covers request, order, receipt and payment. The lifecycle is broader and includes planning, specification, selection, contracting and supplier review.
Which stage of procurement is most often skipped?
The review stage. Teams rarely assess supplier performance formally, so renewals happen without evidence.
How long does the procurement lifecycle take?
It varies from days for a routine purchase to many months for a strategic one. Sourcing, selection and contracting take most of the time on large deals.
Is the lifecycle the same for goods and services?
The stages are the same. Specification and review differ: services need clear deliverables and service levels, and goods need technical specs and quality checks.