Acquisition Lifecycle

The acquisition lifecycle is the complete sequence of phases and activities, from need identification through contract closeout, that the federal government follows to procure goods and services in accordance with the FAR and agency-specific regulations.

What is the Acquisition Lifecycle?

The acquisition lifecycle provides a structured framework for moving from a recognized government need to a fully performed and closed contract. While specific agencies and program types use variations, the lifecycle generally follows these phases:

1. Requirements Definition
The agency identifies what it needs and documents requirements in a statement of work (SOW), statement of objectives (SOO), or performance work statement (PWS). This phase includes market research and development of an independent government cost estimate.

2. Acquisition Planning
The contracting office develops the acquisition plan and acquisition strategy, selecting contract type, competition method, and procurement vehicle.

3. Solicitation
The agency prepares and releases the solicitation, an RFP, RFQ, or IFB, publicly on SAM.gov. This phase includes responding to questions, issuing amendments, and conducting pre-proposal conferences.

4. Proposal Evaluation and Source Selection
Contractors submit offers. The source selection evaluation board evaluates proposals against the evaluation criteria in Section M. The source selection authority makes the award decision.

5. Award and Post-Award
The agency issues the notice of award and notice to proceed. A post-award orientation conference is held. Contract performance begins.

6. Contract Administration
The contracting officer and COR oversee performance, process invoices, manage modifications, and document performance via CPARS.

7. Contract Closeout
After all deliverables are accepted and final payment made, the contract is formally closed out. This includes releasing any remaining funds and filing final documentation.

Why the Acquisition Lifecycle matters for government contractors

Understanding where an opportunity sits in the lifecycle determines the right contractor action. In the early phases, contractors should be engaging through sources sought responses and industry days. During solicitation, every day counts for proposal preparation. Post-award, strong contract administration directly affects past performance ratings that influence future wins.

Example

A contractor tracks a GSA IT modernization opportunity from its earliest presolicitation notice through the sources sought response, draft RFP comment period, final RFP release, proposal submission, oral presentations, best and final offer, and ultimately contract award. The contractor who engaged in every phase of the lifecycle had a measurably better understanding of the agency's needs than competitors who only engaged after the final RFP dropped.

Frequently Asked Questions

How long does the federal acquisition lifecycle take?

Timeline varies widely. Simple commercial purchases may close in days. Complex ACAT I defense programs can take a decade from requirements definition to production award. Most mid-complexity IT and professional services contracts take six to eighteen months from solicitation release to award.

At what lifecycle phase do protests most commonly occur?

Bid protests are most common immediately after award (post-award protests) and before award when a solicitation appears legally flawed (pre-award protests). The GAO requires protests to be filed within 10 days of the basis for protest becoming known.

What is the difference between the acquisition lifecycle and the contract lifecycle?

The acquisition lifecycle covers all phases from need to closeout. The contract lifecycle is often used to describe just the post-award phases, administration, modification, and closeout. Some platforms use "contract lifecycle management" to refer specifically to post-award activities.

How does the lifecycle differ for IDIQ contracts?

An IDIQ vehicle has two lifecycles: the vehicle-level lifecycle (establishing the master contract) and the task/delivery order lifecycle (each individual order). Companies must win a place on the vehicle before competing for individual task orders.