Statement of Work vs. Master Agreement: Which Does Your Freelance Project Need?

Freelancers working with repeat clients often wonder whether they need a new contract for every project or a single umbrella agreement. The answer depends on your relationship structure.

What Is a Master Services Agreement (MSA)?

An MSA establishes the general terms governing your ongoing relationship: payment defaults, IP ownership, confidentiality, liability limits, and dispute resolution. It applies to all future work unless a specific Statement of Work overrides it.

What Is a Statement of Work (SOW)?

An SOW describes a specific project: scope, deliverables, timeline, and budget. It references the MSA for legal terms but focuses on the practical details of one engagement.

When to Use Each

Use a standalone contract for one-off projects with new clients. A Freelance Service Contract combining scope and legal terms works perfectly.

Use MSA + SOW when you have an ongoing retainer or expect multiple projects over months or years. Sign the MSA once, then attach a new SOW for each project.

What Goes in the SOW

- Project objectives and success criteria - Detailed deliverable list with acceptance criteria - Milestone schedule with payment triggers - Assumptions and dependencies - Change order process for scope additions

Retainer Agreements

For monthly ongoing work, a Retainer Agreement combines elements of both: fixed monthly fee, defined hours or deliverables, rollover policies, and termination notice periods.

ContractCraft supports all four contract types — Service Contracts, NDAs, Statements of Work, and Retainer Agreements — so you can match the document to your engagement structure.