A growth agency is an outside firm that runs paid acquisition, conversion optimization, and growth experiments for a startup, paid via retainer or performance fee. They typically focus on measurable performance metrics like customer acquisition cost, conversion rate, and revenue growth, often charging a monthly retainer or a percentage of ad spend. They are distinguished from traditional marketing agencies by their focus on direct-response, data-driven growth rather than brand and awareness work.
A typical growth agency engagement covers paid search and paid social (Google, Meta, TikTok, LinkedIn), landing page and funnel optimization, lifecycle and email automation, attribution and analytics setup, and weekly or biweekly expe...