What Is a Retainer Agreement? (And How to Set One Up)

5 min read · Free template included

A retainer agreement is a contract where a client pays you a recurring fee — usually monthly — in exchange for ongoing services or guaranteed availability. For freelancers and agencies, retainers are the closest thing to predictable, recurring income. Here's how they work and how to structure one.

How a retainer works

Instead of quoting each project separately, the client commits to a set fee per period. In return, you commit to a set amount of work or availability. Both sides win: you get stable income, the client gets priority access and a known cost.

The two main types of retainer

  • Pay-for-work retainer. The client pays for a set block of hours or deliverables each month (e.g., 20 hours of design, or 4 blog posts). Unused time may or may not roll over — state which in the agreement.
  • Pay-for-access retainer. The client pays to have you available and on-call — common for consultants, lawyers, and advisors. They're buying priority and responsiveness, not a fixed output.

What to include in a retainer agreement

  1. Scope. What's included each period — hours, deliverables, or availability.
  2. Fee and billing date. The recurring amount and when it's charged (usually in advance).
  3. Rollover policy. Whether unused hours carry over.
  4. Overage rate. What you charge for work beyond the retainer.
  5. Term and notice. How long it runs and how much notice is required to cancel (30 days is common).
  6. Pause/termination. What happens if either side wants to stop.

Tips for retainers that last

Bill in advance, not in arrears — a retainer paid up front is what makes the income reliable. Set a clear overage rate so extra work doesn't become free work. And require notice to cancel (e.g., 30 days), so a client can't drop you mid-month. Review the scope every few months to make sure it still matches what you're actually doing.

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Frequently asked questions

What does a retainer agreement mean?

It's a contract where a client pays a recurring fee (usually monthly) for ongoing services or guaranteed availability, instead of paying per project. It gives the freelancer predictable income and the client priority access.

Should a retainer be paid in advance?

Yes — billing in advance is what makes retainer income reliable and protects you against doing a month of work before getting paid. Most retainers are charged at the start of each period.

What happens to unused hours in a retainer?

That depends on your rollover policy, which should be stated in the agreement. Some retainers let unused hours carry to the next month; many don't, since part of what the client pays for is reserved availability.

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