Marketing ROI varies dramatically by channel. Here are typical benchmarks based on industry research and practitioner data.
Email marketing
Average ROI: $36–$42 per $1 spent (3,500–4,100%)
Email consistently tops ROI rankings because the variable cost per send is near zero once the list is built. Paid list acquisition costs bring the lifetime ROI down to 500–1,000% for most businesses.
SEO (organic search)
Average ROI: 300–2,000% over 3 years
SEO ROI is high but delayed. Months 1–6 often show negative ROI. Months 12–36 produce compounding returns as content ranks. Calculate annualized ROI over the full 3-year window to compare fairly with paid channels.
Paid search (Google Ads)
Average ROAS: 2:1–5:1 depending on industry Average ROI after margins: 10–30% for competitive verticals
Paid search is immediate but competitive. ROI degrades as you scale spend (lower quality keywords, bid competition). Cap paid spend at positive ROI, then invest the surplus in compounding channels.
Content marketing
Average ROI: 300–1,000% over 12 months
Requires investment in quality and distribution. Best performers see compounding returns as content accumulates domain authority.
Social media (paid)
Average ROAS: 1.5:1–3:1
Lowest ROI of major channels for most B2B businesses. Better for brand awareness (hard-to-measure ROI) than direct response.
Track your actual returns at the ROI Calculator.