8 Key Metrics SaaS Founders Should Track for Sustainable Growth

8 Key Metrics SaaS Founders Should Track for Sustainable Growth

As a SaaS (Software as a Service) founder, achieving sustainable growth is paramount. The SaaS business model relies heavily on recurring revenue, scalability, and customer satisfaction. To ensure long-term success, tracking the right metrics is crucial. Without this data, it becomes difficult to make informed decisions, optimize performance, and drive growth.

In this blog post, we’ll dive into the 8 key metrics SaaS founders should track to ensure their business is on the right path toward sustainable growth. These metrics not only help you monitor your current business health but also provide insights into areas that need improvement.

1. Monthly Recurring Revenue (MRR)

Monthly Recurring Revenue (MRR) is one of the most important metrics for any SaaS business. MRR is the predictable revenue a business expects to generate from its customers every month. It provides a clear picture of financial health, allowing you to predict future revenue streams and plan accordingly.

Why Track MRR?
MRR helps SaaS founders measure growth trends, evaluate the success of pricing strategies, and identify customer retention patterns. By tracking this metric, founders can easily spot revenue fluctuations and take corrective actions when necessary.

Formula for MRR:

MRR=Sum of all recurring revenue from customers per month

Statistic: According to a report by SaaSOptics, 76% of SaaS businesses with over $1 million in annual revenue (ARR) experience monthly recurring revenue growth. This highlights the importance of tracking MRR for scaling your SaaS business.

Key Insights:

  • Consistent MRR growth is a sign that your customer base is expanding, or at least remaining loyal.
  • MRR allows you to forecast future revenue more accurately.

2. Customer Acquisition Cost (CAC)

Customer Acquisition Cost (CAC) is the total amount of money you spend on sales and marketing to acquire a new customer. This includes all costs related to advertising, sales teams, content creation, and any other activities aimed at customer acquisition.

Why Track CAC?
Understanding CAC helps SaaS founders evaluate the efficiency of their marketing and sales strategies. If your CAC is too high compared to your customer lifetime value (CLTV), it indicates an unsustainable business model. Optimizing CAC ensures that you are spending money efficiently to acquire valuable customers.

Formula for CAC:

CAC=Total Sales and Marketing Expenses/Number of New Customers Acquired​

Statistic: According to ProfitWell, the average CAC for SaaS businesses is around $1.18 for every dollar of revenue generated. Understanding this ratio is crucial for your long-term profitability.

Key Insights:

  • The lower the CAC, the more efficient your customer acquisition process is.
  • Optimizing CAC allows for better margins and more room to reinvest in growth.

3. Customer Lifetime Value (CLTV)

Customer Lifetime Value (CLTV) is the total revenue a business expects to generate from a customer over the entire duration of their relationship. For SaaS companies, the longer a customer stays, the more value they provide.

Why Track CLTV?
CLTV helps SaaS founders understand the long-term value of a customer. When compared to CAC, it offers insights into the return on investment for acquiring new customers. A high CLTV-to-CAC ratio indicates that your business model is scalable and sustainable.

Formula for CLTV:

CLTV=Average Revenue Per User (ARPU)×Customer Lifespan

Statistic: According to SaaS Growth, the ideal CLTV-to-CAC ratio should be around 3:1. This means for every dollar spent on customer acquisition, you should aim to generate three dollars in customer lifetime value.

Key Insights:

  • CLTV allows you to gauge the financial value of retaining customers over time.
  • A high CLTV relative to CAC means your business is set for sustainable growth.

4. Churn Rate

Churn Rate refers to the percentage of customers who cancel their subscription or stop using your service within a given time period. It is an important metric because it provides insights into customer dissatisfaction, product issues, and the overall health of your SaaS business.

Why Track Churn Rate?
Tracking churn rate helps SaaS founders identify areas where customer experience or product quality might be lacking. High churn rates can signal problems with the product, customer support, or pricing strategies.

Formula for Churn Rate:

Churn Rate=Customers Lost During a Period/Customers at the Start of the Period​×100

Statistic: According to Gainsight, the average annual churn rate for SaaS companies ranges from 5-7%, with businesses in the $1-$5 million revenue range experiencing churn rates closer to 5%. For high-growth SaaS companies, a churn rate lower than 5% is ideal.

Key Insights:

  • Low churn rates are essential for achieving sustained growth.
  • Identifying the reasons behind churn can help you improve customer retention strategies.

5. Net Promoter Score (NPS)

Net Promoter Score (NPS) measures customer satisfaction and loyalty by asking how likely your customers are to recommend your product or service to others. It provides valuable insights into the overall customer experience.

Why Track NPS?
NPS allows SaaS founders to gauge how well they’re meeting customer expectations. A high NPS indicates strong customer loyalty and potential for organic growth through word-of-mouth referrals. A low NPS suggests there may be issues with your product or customer service that need to be addressed.

Formula for NPS:

NPS=Percentage of Promoters−Percentage of Detractors

Statistic: According to Bain & Company, companies with an NPS score of 50 or higher outperform competitors in terms of growth and customer retention.

Key Insights:

  • High NPS scores correlate with strong brand advocacy and lower churn.
  • Monitoring NPS regularly helps improve customer experience and fosters loyalty.

6. Active Users (DAU/MAU)

Active Users, specifically Daily Active Users (DAU) and Monthly Active Users (MAU), are critical metrics for understanding user engagement. DAU tracks the number of unique users who interact with your product on a daily basis, while MAU measures the same but on a monthly basis.

Why Track Active Users?
Tracking active users helps you understand how engaged your customers are with your product. High engagement typically correlates with better customer retention and lower churn.

Formula for DAU/MAU Ratio:

DAU/MAU Ratio=DAU/MAU​×100

Statistic: SaaS companies with a DAU/MAU ratio above 20% have a better chance of increasing retention and reducing churn, according to Baremetrics.

Key Insights:

  • A high DAU/MAU ratio indicates strong product engagement.
  • Monitoring this ratio helps identify whether your product’s value is being realized by users.

7. Gross Margin

Gross Margin is the difference between revenue and the cost of goods sold (COGS), divided by revenue. For SaaS companies, this metric is particularly important because it indicates how much of your revenue is left after paying for the infrastructure and services required to deliver your product.

Why Track Gross Margin?
A healthy gross margin ensures that you have enough resources to invest in growth, marketing, and customer acquisition. SaaS businesses typically have higher gross margins because they have low variable costs once the platform is built.

Formula for Gross Margin:

Gross Margin=Revenue−COGS/Revenue​×100

Statistic: SaaS companies typically have gross margins between 70% and 90%, according to SaaS Capital.

Key Insights:

  • A higher gross margin provides more flexibility for reinvestment.
  • Tracking this metric ensures that your business remains financially sustainable as it scales.

8. Sales Qualified Leads (SQLs)

Sales Qualified Leads (SQLs) are potential customers who have shown interest in your product and are deemed ready for the sales team to engage. Tracking SQLs helps SaaS founders understand the effectiveness of their lead generation and sales efforts.

Why Track SQLs?
SQLs are critical because they indicate that your marketing and sales teams are aligning well, and your lead generation efforts are producing high-quality leads. By focusing on SQLs, you can ensure that your sales process is efficient and targets the most promising prospects.

Formula for SQLs:

SQLs=Leads that meet specific criteria set by the sales team

Statistic: According to HubSpot, businesses that track SQLs effectively are 50% more likely to hit their revenue goals.

Key Insights:

  • SQLs provide a clear pipeline of potential customers.
  • Optimizing this process increases the likelihood of conversion and revenue growth.

Conclusion

Tracking the right metrics is essential for SaaS founders who want to achieve sustainable growth. By focusing on key metrics like MRR, CAC, CLTV, churn rate,

NPS, active users, gross margin, and SQLs, you can make data-driven decisions that will help you optimize your business strategies, improve customer retention, and scale effectively.

Incorporating these metrics into your regular business analysis will provide insights that guide your decisions and ensure long-term success. While it may seem overwhelming at first, starting with just a few of these metrics and building from there can set you on the path to a thriving SaaS business.

Make sure to regularly assess these metrics and adjust your strategies accordingly. Success in SaaS isn’t just about acquiring customers—it’s about keeping them, understanding their needs, and providing continuous value. Keep tracking, keep iterating, and watch your SaaS business grow sustainably.


This blog post is designed to provide SaaS founders with practical insights into the metrics that matter most for their business success, accompanied by relevant statistics to drive home the importance of these metrics.

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