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Inbound-Led Outbound Funnels: Using Website Form Submissions to Spin Up Lookalike Lists in Clay

September 28, 2025

The problem

  • Inbound leads trickle in.
  • Sales reps chase them one by one.
  • Missed opportunity: every inbound lead is a signal to find 50 more like them.

Step 1: Capture the Form Fill

  • Lead submits demo/contact form.
  • Capture data: name, email, company, title.
  • Push into Clay automatically via webhook or Zapier.

Step 2: Enrich the Lead

  • Run Clay waterfall:
    • Company firmographics.
    • Tech stack.
    • Industry + subindustry.
    • Recent funding or news.
  • Output = full ICP profile of the inbound lead.

Step 3: Generate Lookalikes

  • Use Clay’s prospector.
  • Search for companies with matching firmographics + tech stack.
  • Pull in 25–50 companies that “look like” the inbound.

Step 4: Build the Contact List

  • Within those companies, target ICP roles.
  • Example: If inbound was a VP Marketing → pull other VPs Marketing + CMOs.
  • Store enriched contact details in Clay table.

Step 5: Personalize with Agentic AI

  • Prompt Claygent: “This inbound lead was [X]. Write 1-line personalization for each of these lookalikes tying to inbound’s characteristics.”
  • Example: “Since [Inbound Company] just adopted [tool], likely relevant for [Target Company].”

Step 6: Push into Outbound Sequences

  • Tier 1: The inbound itself → high-touch follow-up.
  • Tier 2: Lookalike contacts → sequence with AI-driven intro.
  • SDRs see inbound momentum instantly multiplied.

Why this matters

  • Inbound = proof of demand.
  • Lookalikes = scale without guessing.
  • Turns 1 lead into 50.

Pro tips

  • Match not just industry but tech stack (highest signal).
  • Keep lookalike cohorts under 100 to stay focused.
  • Run weekly “inbound-led outbound” reports for leadership.

Outcome

  • Pipeline growth tied directly to inbound signals.
  • No more chasing one-off form fills.
  • Clay makes inbound the seed for outbound at scale.

Let’s Sync

Ready to peek behind the curtain and see how Clay workflows are built?