When you hire for an outcome rather than hours, you use a statement of work. It defines what will be delivered, by when, and for how much, and it is how a lot of consulting and project work is bought.
Key facts
- A statement of work is a contract that defines a project's scope, deliverables, timeline, and payment terms.
- It is used to engage contractors or agencies for outcomes rather than hours.
- SOW engagements are common in consulting and project work and are usually managed through procurement.
Contents
- What is a statement of work?
- What an SOW includes
- SOW vs staff augmentation
- Best practices
- Frequently asked questions
- SOW work in your program
What is a statement of work?
A statement of work (SOW) is a contract that defines a project's scope, deliverables, timeline, and payment terms, used to engage contractors or agencies for outcomes rather than hours. The engagement is bought as a defined result, not open-ended labor.
What an SOW includes
- Scope. What is being delivered.
- Deliverables and milestones. The specific outputs and dates.
- Timeline. Start, end, and key stages.
- Payment terms. Fixed price or milestone-based.
SOW vs staff augmentation
An SOW buys an outcome for a fixed scope and price. Staff augmentation buys labor by the hour or day, managed by the client. Both appear in contingent programs; the difference is whether you are buying a result or a resource.
Key takeaway: SOW is outcome-based; staff augmentation is time-based. Procurement usually manages SOW spend as part of supplier programs.
Best practices
- Define deliverables precisely. Vague scope creates disputes.
- Tie payment to milestones. Align pay with progress.
- Track SOW spend in the program. Do not let it sit outside program visibility.
Best practice: Keep SOW and supplier spend in your VMS, and manage the direct and independent workers outside it in an external workforce platform.
Frequently asked questions about statements of work
What is the difference between an SOW and staff augmentation? An SOW buys a defined outcome for a set price. Staff augmentation buys labor by time, directed by the client.
Who manages SOW engagements? Usually procurement, often through a VMS.
Is an SOW the same as a contract? An SOW is a type of contract, focused on the scope and deliverables of a specific project.
SOW work in your program
SOW engagements are a core part of contingent spend, usually managed in the VMS layer. Worksome handles the direct and independent workforce that sits alongside it.
Related: Rate card, Vendor management system (VMS), Contingent workforce management.