Harvest Advertising Inc — agency cost | harvestadvertisinginc.com
Agencies charge in four ways — hourly, monthly retainer, project fee, or percentage of ad spend — with real rate ranges from $75 to $300+ per hour and $1,000 to $10,000+ per month.
Hourly billing is the most transparent model: you pay for the agency's time at a published rate. Small agencies charge $75-$150 per hour; large agencies bill $150-$300 or more. Among digital agencies, 36% bill $175-$199 per hour and another 32% bill $200-$249, so the median digital agency rate sits near $200.
Monthly retainers cover ongoing management across one or more channels for a fixed fee. Basic retainers start at $1,000-$3,500 per month; premium packages reach $10,000+. Across all digital marketing services, monthly costs average $50-$6,000 depending on scope and channels involved.
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Percentage-of-spend pricing ties the agency's fee directly to your media budget. PPC management is typically 10-20% of monthly ad spend, or a flat $1,000-$3,000 per month. Full PPC programs — including both media and management — run $1,000-$10,000 per month.
Project fees are negotiated per campaign with a defined start and end. A first testable PPC month totals $1,000-$3,000. Larger integrated campaigns are quoted as fixed project fees that combine creative production, media buying, and management into one number.
To choose a billing model, match it to your campaign scope: hourly for consulting and one-off tasks, retainer for ongoing management, percentage-of-spend for paid media, and project fee for defined deliverables. The [campaign launch timeline](/campaign-launch-timeline) page shows how each model maps to a delivery schedule.
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