Monthly retainer
$2k to $10k+/mo Most commonYou pay a fixed monthly fee for a team's time, strategy, and running the outreach. Belkins puts basic retainers around $2,000 a month and comprehensive packages at $5,000 to $10,000 a month; WebFX cites agency retainers from $100 to $5,000 a month, with enterprise programs running past $5,000 and up to five figures.
$2,000 to $10,000+ a month, scaling with channels and volume (Belkins, WebFX).
List building, copy, sending, replies, and reporting, run by their team against your ICP.
The agency is paid for effort and a shared quality bar, so the pull is toward meetings your reps actually want.
You carry the risk if results lag. Insist on a clear scope and a defined qualified meeting before you sign.
Ongoing pipeline against a narrow ICP, where fit matters more than raw lead count.