Sales Automation Agencies

Volume and domain health matter far more than whether AI wrote the copy. Agencies that know what they're doing warm up sending domains properly, respect daily limits, and rotate mailboxes. AI-written emails that are genuinely personalized and relevant typically perform better than templated human-written sequences — it's the generic blast approach that kills deliverability.

At pure volume, AI wins decisively — one automation stack can send 500–2,000 personalized touches per day vs. 60–80 for a human SDR. The tradeoff is conversion quality on complex enterprise deals: AI handles early-stage qualification well but typically needs a human to close deals above $50k ACV. Most companies deploy AI for top-of-funnel and reserve human SDRs for qualified accounts.

At minimum: the prospect's role, company, and industry. High-performing agents also use recent funding events, job change signals, technology stack data, and published content. Enrichment tools like Clay, Apollo, and Clearbit feed this data automatically — a good agency will design the enrichment pipeline alongside the agent logic.

Domain warm-up takes 2–4 weeks. After launch, most teams see their first booked meetings within week 1–2 of full sending. Meaningful volume — 10+ meetings/month — typically comes in weeks 4–8 as you tune sequences based on reply data. Expect 3 months before you have statistically reliable performance data.

A single-channel (email only) SDR automation build with CRM integration runs $12,000–$25,000. Multi-channel systems (email + LinkedIn + phone research) with lead scoring and intent monitoring typically cost $30,000–$75,000. Ongoing management and optimization retainers are common at $2,000–$5,000/month.