Scope of work vs statement of work

Onsiter
5 min readSep 6, 2022

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In project management, the terms “scope of work” and “statement of work” are often used interchangeably to refer to a document that outlines the parameters of a particular project.

However, there is a distinction between the two: a statement of work is generally broader and outlines the overall objectives, while a scope focuses on more specific details.

In this article, we’ll examine the difference between these two documents. Also, we will see the main purpose of each document and what needs to be included in each one. Let’s get started.

Statement of work

A statement of work (SOW) is a document that outlines the overall objectives, deliverables, and timeline for internal projects and external projects. It is generally broader than a scope of work and is typically used in larger projects or initiatives. For example, if a company was embarking on a multi-year software development project, it would likely use an SOW to outline the major milestones and timelines for the project.

The main purpose is to define the parameters of a project so that both the project manager and vendors are clear on what needs to be delivered, when, and how success will be measured. The elements include:

  • Project objectives: With any project, it’s important to start with a brief introduction and objectives. This will help set the stage for the rest of the document.
  • Project scope: The next section should outline the specific work needed to meet the objectives in the previous section. This is where you get into the details of what needs to be delivered and when.
  • Project deliverables: Once you’ve outlined the scope of work, you can identify the deliverables associated with each task. Include a work breakdown structure during the project planning process. It’ll help project managers estimate the project cost and specific tasks required.
  • Timeline: To ensure that the project stays on track, it’s important to include a timeline with specific milestones and deadlines. This will help everyone involved understand what needs to be done and when.
  • Payment schedule: Finally, the SOW should include information on how the client will be invoiced and how payments will be made. This is typically included in a separate section or appendix.

Scope of work

It is a document outlining the work to be done in a project. The main purpose of this document is to define the parameters of the work to be done and to ensure that all parties involved are aware of these parameters. It’s usually brief but can be several pages long, depending on the project. It should also include any assumptions that have been made about the project, as well as any risks that have been identified.

A well-defined scope of work can help to:

  • Mention what’s excluded and included: To avoid any scope creep, it is important to be clear about what is included and excluded from the project. This will help to set expectations and avoid any misunderstandings later on.
  • Make sure everyone is on the same page: A clear scope of work can help ensure everyone involved in the project knows their roles and responsibilities. This can help to avoid any confusion or delay further down the line.
  • Ensure That The project is completed on time and within budget: By outlining the work to be done ahead of time, it can help to ensure that the project stays on track and does not exceed its allocated budget.
  • Prevent disputes: Defining the scope of work upfront can help prevent any disputes that may arise later between project managers.

Summary

The main difference between a scope of work and work states that a statement of work sets forth the exact expectations for a project, while a scope of work simply outlines what needs to be done.

A well-written statement of work will provide a detailed roadmap for the project, outlining every deliverable, milestone, and deadline. This makes it an essential tool for managing complex projects. On the other hand, the scope of work tends to be more general. It may identify the project’s overall objectives, but they typically don’t go into as much detail about specific deliverables or timelines.

In some cases, the scope of work may be all needed to get started on a project. But in other cases, a more detailed statement of work may be required. It all depends on the nature and complexity of the project.

Both scopes of work and statements of work can help manage projects. But it’s important to understand the difference between the two, so you can choose the right tool for the job.

FAQs

1. Can these documents prevent scope creep?

These documents can specify the work that needs to be done and keep scope creep to a minimum, but they cannot eliminate scope creep completely.

To prevent scope creep, you’ll need a strong project manager who can keep track of what’s being added to the project and ensure that it aligns with the original goals. You should also clearly understand what you want to achieve with the project and ensure everyone involved is on the same page.

Finally, you should set realistic deadlines and budgets from the start so you can more easily keep track of any changes.

2. Do I need to define project milestones in a scope of work?

No, you don’t need to define project milestones in a scope of work. However, if you want to include them, add them to the project statement as it can help keep the project on track.

Milestones can help to break down a large project into smaller, more manageable pieces. Project management software can be used for ease.

3. Who should write the statement of work?

The project manager should write the statement of work. This document will be used to guide the project, so it must be accurate and concise. The project manager should consult with other project team members to ensure they understand the project goals and what needs to be done.

Once the statement of work is finalized, it should be reviewed by upper management.

4. Will a statement of work hold up in court?

A statement of work can be used as evidence in court, but it’s not a legally binding document. If you need a legally binding agreement, you should create a contract.

A statement of work can still be helpful as it can show what was agreed upon and what the expectations were for the project.

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