For SaaS founders, understanding the right metrics is critical for making informed decisions. While many startups focus only on revenue, successful SaaS companies monitor a broader set of growth indicators.
Tracking the right metrics helps founders evaluate performance, optimize strategies, and build a scalable business.
1. Monthly Recurring Revenue (MRR)
MRR measures predictable subscription income generated each month.
- Shows revenue stability
- Tracks business growth over time
- Helps forecast future revenue
MRR is often considered the core financial metric in SaaS businesses.
2. Customer Acquisition Cost (CAC)
CAC measures how much it costs to acquire a new customer.
- Includes marketing expenses
- Includes sales team costs
- Measures acquisition efficiency
Lower CAC improves profitability and scalability.
3. Customer Lifetime Value (LTV)
LTV estimates the total revenue generated from a customer during their relationship with the company.
- Reflects long-term value
- Helps evaluate marketing investments
- Supports strategic planning
Healthy SaaS businesses maintain a strong LTV to CAC ratio.
4. Churn Rate
Churn rate measures the percentage of customers who cancel their subscriptions.
- Customer churn tracks lost users
- Revenue churn tracks lost income
- High churn signals retention problems
Reducing churn is critical for sustainable growth.
5. Expansion Revenue
Expansion revenue comes from existing customers upgrading or purchasing additional services.
- Plan upgrades
- Additional seats
- Premium add-ons
This metric demonstrates how well a product grows within existing accounts.
6. Net Revenue Retention (NRR)
NRR measures how much revenue is retained from existing customers after accounting for churn and upgrades.
- Includes expansion revenue
- Reflects product value over time
- Shows long-term customer growth
High NRR indicates strong customer satisfaction and product adoption.
Conclusion
SaaS growth depends on understanding key performance metrics beyond simple revenue numbers. By tracking MRR, CAC, LTV, churn, expansion revenue, and NRR, founders gain a clear view of their business performance.
Measure what matters, optimize your strategy, and build a stronger SaaS company.