Finding and Narrowing to Enterprise ICPs

SMBs were 70% of revenue but churning fast with misaligned feature requests. Bernard Aceituno fired them all and focused on B2B SaaS sales in the mid-market. The result was an 8x revenue multiplier in one year, with deals closing in 2-6 weeks instead of months.

Bernard reveals why the mid-market sweet spot of 100-1,000 employees moves faster than Fortune 500 for B2B SaaS sales, how Stack AI's Hacker News launch generated 20 meetings in 48 hours with zero B2B selling effort, and the "Monte Carlo" approach to testing B2B sales strategy channels without wasting time on mediocre experiments.

Stack AI is a no-code AI platform serving 100+ enterprise customers including Nubank. The company has raised $16M and generates high seven figures in ARR with a SaaS sales process that closes deals in 2-6 weeks.

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🔑 Key Lessons

• 🎯 Cut customers who hurt your B2B SaaS sales focus: Bernard found SMBs were 70% of revenue but churned fast. Firing them freed Stack AI to 8x revenue through focused B2B SaaS sales alone.
• 🏢 Target the mid-market sweet spot for enterprise deals: Companies with 100-1,000 employees have real budget but move faster than Fortune 500, where 95% of AI pilots fail due to legacy processes.
• 🚀 Launch visually to generate pipeline: Stack AI's Hacker News post generated 20 enterprise meetings in 48 hours - the visual no-code builder was instantly compelling without paid marketing.
• 🤝 Do founder-led sales until $500K-$1M ARR: Only founders can connect a lost deal to a product change. Bernard hired his first AE at $2M ARR but wishes he started at $500K-$700K.
• 💰 Expand accounts with forward-deployed engineers: One team's $100K contract can grow across 30-40 teams through a structured AI strategy process with IT leaders.

Chapters

• Introduction and the "Risk" mindset quote
• What Stack AI does and company metrics
• From MIT PhD to startup founder
• The first product pivot - from data labeling to workflows
• The Hacker News launch - 20 B2B SaaS sales meetings in 48 hours
• The ICP problem - trying to serve everyone
• The decision to focus on enterprise mid-market
• Which verticals work best for AI
• The importance of founder-led sales
• Running experiments without mediocrity
• Lightning round

Resources

• Full show notes: https://saasclub.io/453
• Join 5,000+ SaaS founders: https://saasclub.io/email