Advanced SaaS financial modeling for Series B fundraising. Model ARR growth, churn optimization, and international expansion with enterprise-grade metrics.
Series B SaaS companies are scaling rapidly with proven product-market fit, typically raising $15-50M to accelerate growth, expand internationally, and build market-leading positions. Your financial model must demonstrate predictable recurring revenue growth and efficient unit economics.
| Metric | Formula | Benchmark |
|---|---|---|
| Annual Recurring Revenue (ARR) | Monthly Recurring Revenue × 12 | $10-50M for Series B |
| Net Revenue Retention (NRR) | (Starting ARR + Expansion - Churn) ÷ Starting ARR | 110-140% for Series B |
| Gross Revenue Retention (GRR) | (Starting ARR - Churn) ÷ Starting ARR | 85-95% monthly |
| Average Contract Value (ACV) | Total Contract Value ÷ Contract Length in Years | $25K-100K+ enterprise |
| Expansion Revenue | Upsells + Cross-sells + Seat Expansion | 20-40% of total revenue |
| Metric | Formula | Benchmark |
|---|---|---|
| Customer Acquisition Cost (CAC) | Sales & Marketing Expenses ÷ New Customers | $5K-25K enterprise |
| LTV:CAC Ratio | Customer Lifetime Value ÷ Customer Acquisition Cost | 3:1 to 5:1 target |
| CAC Payback Period | CAC ÷ (Monthly Revenue per Customer - Monthly Cost) | 12-24 months |
| Monthly Churn Rate | Churned Customers ÷ Total Customers at Start of Month | <2% monthly enterprise |
| Revenue per Employee | Annual Revenue ÷ Total Employees | $200K-400K per employee |
| Metric | Formula | Benchmark |
|---|---|---|
| ARR Growth Rate | (Current ARR - Previous ARR) ÷ Previous ARR | 80-150% YoY Series B |
| Logo Growth Rate | New Customers ÷ Existing Customer Base | 50-100% YoY |
| International Revenue % | International ARR ÷ Total ARR | 30-50% for Series B |
| Enterprise Mix % | Enterprise ARR ÷ Total ARR | 60-80% for Series B |
| Product-Led Growth Score | Self-Serve Revenue ÷ Total Revenue | 20-40% PLG component |
Target 80-150% ARR growth annually for Series B. Model based on new customer acquisition (40-60% of growth), expansion revenue (20-30%), and retention improvements. Show path to $100M+ ARR within 3-4 years with improving unit economics.
Enterprise SaaS should target <2% monthly churn and greater than 95% gross revenue retention. Model churn cohorts by customer segment, contract size, and tenure. Factor in expansion revenue to achieve 110-140% net revenue retention.
Target LTV:CAC ratios of 3:1 to 5:1 with CAC payback periods of 12-24 months. Enterprise CAC typically ranges $5K-25K. Model improving ratios over time through product-led growth, referrals, and expansion revenue.
Budget 25-40% of revenue for international expansion including regional sales teams ($300K-800K per region), localization ($100K-500K), compliance costs, and marketing. Model 12-24 month payback periods on international investments.
Plan for 100-400 employees: 35% engineering, 30% sales/marketing, 20% customer success, 10% operations, 5% executive. Budget $150K-200K fully-loaded cost per employee. Scale based on $200K-400K revenue per employee targets.
Target 75-85% gross margins including hosting, support, and infrastructure costs. Model path to profitability with 20-30% EBITDA margins at scale. Factor in R&D investments (15-25% of revenue) and sales efficiency improvements over time.
Use our comprehensive SaaS financial calculator to create detailed projections for your Series B fundraising with industry-specific metrics.