LaCleoStackLayer
SaaS
How StackLayer 4×'d their sales pipeline in 90 days with AI prospecting
4×
Qualified leads/month
-72%
Cost per lead
$1.2M
Pipeline generated
90 days
Time to results
The Challenge
StackLayer, a mid-market B2B SaaS company, was spending $18,000/month on a 3-person SDR team that was generating roughly 40 qualified leads per month. Their cost per lead was $450, and ramp time for new SDRs averaged 3 months. With aggressive growth targets and limited budget for additional headcount, they needed a fundamentally different approach to outbound.
Their existing process involved manual LinkedIn prospecting, generic email sequences, and spreadsheet-based pipeline tracking. Reply rates had dropped below 2%, and their best-performing SDR was considering leaving for a competitor.
The Solution
LaCleo deployed two AI agents working in tandem:
Prospecting Agent — Continuously identified ideal customers matching StackLayer's ICP across LinkedIn, Crunchbase, and industry databases. The agent enriched each prospect with technographic data, recent funding events, and buying signals — then scored and prioritized them automatically.
Email Marketing Agent — Set up 5 dedicated sending domains with proper SPF, DKIM, and DMARC authentication. Managed a 21-day warmup period, then launched hyper-personalized outreach sequences. Each email referenced the prospect's specific tech stack, recent company news, or role-specific pain points.
The agents operated 24/7, continuously optimizing send times, subject lines, and messaging based on real-time performance data.
The Results
Within 90 days, StackLayer saw transformative results:
- 160+ qualified leads per month — up from 40 with the SDR team
- Cost per lead dropped to $125 — a 72% reduction
- $1.2M in new pipeline generated in the first quarter
- 8.5% reply rate on cold outreach — up from 1.8%
- 62% of meetings booked without any human intervention
The two remaining SDRs were redeployed to focus exclusively on high-value enterprise accounts, where human relationship-building mattered most. The AI agents handled everything else.
"We went from spending $18K/month on SDRs to generating 4× more pipeline at a fraction of the cost. The AI agents don't just send emails — they actually understand our ICP better than most humans we've hired."
Marcus Chen
VP of Sales, StackLayer
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