Definition
A master services agreement (MSA) is a contract that sets the general terms for an ongoing relationship between a client and a service provider, such as payment terms, confidentiality, liability, and intellectual property. Individual projects are then added through shorter statements of work, so the core terms do not have to be renegotiated each time.
Also called: MSA, Master service agreement, Framework agreement
Master services agreement in practice
The MSA is where your invoicing rules usually live: payment terms, late fees, billing frequency, expense policy, and how disputes are handled. Each statement of work then sets the specific scope, timeline, and price for one project.
For repeat clients, an MSA speeds up new work dramatically. Once it is signed, a new project only needs a short statement of work, which is easier to get approved.
Make sure your invoices follow the MSA, for example by quoting the right SOW or PO number and using the agreed terms. Invoices that conflict with the MSA are a common reason for payment delays.
Example
An IT consultancy signs an MSA with a hospital setting Net 30 terms and a 1.5 percent monthly late fee. Over two years it completes six projects, each under a short SOW that references the MSA.
Frequently Asked Questions
What is the difference between an MSA and an SOW?
The MSA sets the general legal and commercial terms for the whole relationship. An SOW describes one specific project: deliverables, timeline, and price.
Do freelancers need an MSA?
For one-off jobs a simple contract is enough. For clients you expect to work with repeatedly, an MSA saves time and keeps terms consistent.
Related terms
- Scope of work A scope of work is a written description of exactly what a project includes: the deliverables, tasks, timeline, assumptions, and exclusions.
- Service level agreement A service level agreement (SLA) is a contract, or part of one, that defines the measurable standards a service provider commits to, such as uptime, response times, and resolution times, and what happens if they are missed.
- Payment terms Payment terms are the conditions on an invoice that state when and how the client must pay.
- Non-disclosure agreement A non-disclosure agreement (NDA) is a contract in which one or both parties agree to keep certain shared information confidential and use it only for an agreed purpose.
- Digital signature A digital signature on an invoice or estimate is an electronic image or cryptographic mark that identifies who issued or approved the document.
This page is for general information only and is not legal, tax, or financial advice. Rules change and vary by location, so consult a qualified lawyer or accountant about your situation.