Scale Your B2B SaaS Beyond Series A
AI-Powered Growth Engine for Software Companies Under $5M Revenue
Built for Post-Series A SaaS Founders Ready to Scale
If you're leading a B2B SaaS company under $5M in revenue, you've validated product-market fit and raised your Series A. Now comes the real challenge: systematic, predictable growth without competing head-to-head with enterprise giants.
"The best software companies scale on systems, not just skill—automating what matters so founders focus on product."
Lean Stack's AI Growth Engine handles your cold outreach, automates lead generation and follow-up, books qualified appointments, and delivers predictable revenue growth—so you can focus on building great software while we drive systematic sales and scaling.
What Your AI Growth Engine Delivers
Automated Lead Generation
AI-powered cold email outreach that finds, qualifies, and nurtures your ideal B2B SaaS prospects—delivering consistent pipeline growth.
Predictable Revenue Growth
Systematic processes that generate $3,752 per client per month on average, with transparent metrics and forecasting you can count on.
Smart Follow-Up & Booking
Automated sequences that handle objections, schedule qualified demos, and move prospects through your funnel without manual intervention.
Scale Without Hiring
AI handles the operational heavy lifting—outreach, follow-up, scheduling—so you can scale revenue without proportionally scaling headcount.
Our Process: Simple, Strategic, Seamless
Discovery & ICP Mapping
We analyze your product, ideal customer profile, and revenue goals to build a custom AI-driven outreach strategy tailored to your market.
System Setup & Integration
Our team implements AI tools, configures cold email sequences, integrates with your CRM, and sets up automated follow-up workflows.
Launch & Optimize
Your growth engine goes live with A/B testing, continuous monitoring, and data-driven optimization to maximize appointment bookings and conversions.
Scale & Refine
As you see predictable revenue growth ($3,752+ per client/month), we help you scale intelligently—more qualified leads, higher close rates, less manual effort.
Predictable Growth, Guaranteed
We guarantee 2X ROI in 12 months or we'll keep working for free until you hit your growth targets.
We're so confident in our AI Growth Engine that we put our money where our mouth is. If you don't see a 2X return on your investment within one year, we'll continue optimizing and supporting you at no additional cost until you achieve systematic, predictable revenue growth.