Sales
Cost-per-action (CPA)
CPA is the marketing cost to drive one defined action — typically a lead form fill, demo booking, or signup. CPA = ad spend / actions. Pair with conversion rate (CPA / signup-to-paying conversion) to get full CAC.
More detail
Industry benchmarks for B2B SaaS in 2026: $50-200 CPA on a free trial / demo request, $5-20 on a content download. CPA varies hugely by channel — paid search $80-150, LinkedIn ads $200-400, content/SEO 'free' but with 6-12 month payback. Aiprosol's primary channels target $50-100 CPA (ROI audit form fills).