The retainer model is the structural difference between a freelancer and an agency. Predictable monthly revenue changes how you plan, how you hire, and how you grow. Here is how to price, sell, and structure retainers that clients renew.
Why retainers are better than project work
Project-based work creates a feast-or-famine cycle. You close a project, deliver it, and then need to find the next one. Retainers break this cycle by converting clients into ongoing revenue. A client paying $3,000/month for 12 months is worth $36,000 — and required only one sale. The equivalent in project work would require closing four to six separate engagements.
Retainers also let you build deeper expertise in each client's business, which improves results and makes you harder to replace. Project clients can compare you against competitors on every engagement. Retainer clients see you as an embedded partner.
How to structure a marketing retainer
A well-structured retainer defines exactly what is delivered each month and what falls outside the retainer scope. Common retainer structures:
- Service-based: A defined set of deliverables each month (e.g., 8 blog posts, 20 social posts, monthly report)
- Hours-based: A block of hours per month, with a defined rate for additional hours
- Outcome-based: A defined goal with flexible services to achieve it — most sophisticated and highest-margin
Most agencies start with service-based retainers and evolve to outcome-based as they build proof of results. Whichever model you use, be explicit about what is included, what requires additional SOW, and what the client can expect monthly.
How to price marketing retainers
Start with your cost: how many hours will this retainer require each month, multiplied by your effective hourly rate, plus overhead and margin. The result is your floor. Then consider what the client receives in return — if your SEO retainer at $2,500/month is generating $25,000/month in additional revenue, you have significant pricing room above your cost.
Offer a slight discount on retainers versus equivalent project pricing — this compensates clients for the commitment. But the discount should be modest: 10–15%, not 40%. You are trading flexibility for stability; that stability has value on your side too. See full pricing guidance in our marketing agency pricing guide.
How to sell a retainer to a new client
Do not lead with the retainer. Lead with a project — a defined first engagement with a clear deliverable and a measurable result. After the project, you have proof of your work, a relationship, and a natural moment to propose ongoing engagement. Clients who have seen you deliver are dramatically more likely to commit to a retainer than clients who have only seen a proposal.
Frame the retainer conversation around continuity: "The results we achieved in this project are the beginning, not the end. To build on this, here is what ongoing engagement looks like." Come with a specific proposal, not an open-ended offer. Specificity closes faster.
Managing retainer clients so they renew
A retainer client who cannot articulate what they are getting will cancel. Report results monthly, proactively. Celebrate wins. Flag challenges before the client notices them. The renewal conversation should not be a surprise — it should be a natural continuation of a relationship where the client has been seeing consistent value. Use Threecus to track retainer billing schedules, communication history, and upcoming renewals so nothing slips through the cracks. Build the full client management approach in our guide on marketing agency client management.
Related reading