A retainer proposal sells the arrangement: what the client gets each month, what it costs, and how it starts and ends. The retainer agreement is the contract that governs it once it's running. This page is the proposal; the retainer agreement template is the contract.
85% of the small digital and SEO agencies in SparkToro's survey prefer retainers. The arguments they cause cluster at the edges: unused hours, extra work creeping in under a flat fee, and how either side leaves. Each one has a line in this template.
The PDF is free and needs no account. Sending it as a link instead adds read tracking and a tamper-evident e-signature — free plan, no credit card.