Background
TaskFlow is a project management SaaS for construction companies with 10–50 employees. The founder is a solo developer who built the product himself. He had 12 paying customers from his personal network and no budget for a sales hire.
His challenge: build a repeatable pipeline without hiring.
The AI Outbound System
The founder spent two weeks building the following stack:
Data layer:
- Apollo.io to identify construction companies with 10–50 employees in target US metros
- LinkedIn Sales Navigator for additional company research
- Clay.com to enrich accounts with recent news, job postings, and technographic data
AI personalization layer:
- Clay + GPT-4 to generate first lines for each email based on recent company news, LinkedIn activity, and job postings
- Each email referenced something specific to the recipient's company (a recent project, a job posting for a project manager, or a news mention)
Sending layer:
- Instantly.ai with three warmed sending addresses
- 30 emails per address per day (90 per day total)
- Sequences: 5 steps over 21 days
The Results
Month 1:
- 1,800 contacts emailed
- 51% open rate
- 6.2% reply rate
- 18 demos booked
- 4 new customers
Month 2 (after A/B testing subject lines and CTAs):
- 1,800 contacts emailed
- 54% open rate
- 9.1% reply rate
- 41 demos booked
- 11 new customers
Month 3:
- 40–45 demos per month consistently
- 22% demo-to-close rate
- $3,100 average deal size
The Winning Email Formula
Subject: "project management for [Company name]"
Body (three sentences):
- Specific observation about their company (AI-generated from Clay enrichment)
- Single pain point relevant to construction companies their size
- One-line pitch + calendar link
No fluff. No long feature lists. Total email length under 80 words.
What the Founder Learned
"The AI personalization made the difference between being ignored and getting responses. Generic emails to construction companies got maybe 2% reply rates. When the first line mentioned their specific recent project or a job posting they had open, reply rates tripled."
The system now runs with about four hours of weekly maintenance—reviewing replies, updating sequences, and refreshing prospect lists.
Ready to automate your outbound?
See how Automated BDR generates pipeline on autopilot. Free trial, no credit card required.