How To Find Your Glass Ceiling
Struggling with SaaS growth? Learn how churn creates a growth ceiling, see real examples from HubSpot, Canva, and Slack, and discover how to boost acquisition, ARPA, and retention to break through revenue plateaus.
Watch The Explainer Video Calculate Your SaaS Glass CeilingSaaS Growth Ceiling Calculator
Scenario One
Scenario Two
Scenario One Outcome
Maximum Customers: 500
Maximum MRR: $125,000
Maximum ARR: $1,500,000
Ceiling Hit Date: January 2031
Scenario Two Outcome
Maximum Customers: 1,000
Maximum MRR: $250,000
Maximum ARR: $3,000,000
Ceiling Hit Date: June 2037
Navigating Your Glass Ceiling
Feeling like your SaaS growth is stalling?
You're not the only one. Even breakout companies like HubSpot and Zoom had moments where churn began to threaten growth momentum. The hard truth: churn doesn't just eat away at last month's gains, it eventually caps how far your brand can scale unless you fix it.
This cap is called the SaaS growth ceiling. It's the point where the customers you lose outpace the customers you acquire, leaving you stuck at a plateau. Think of it as the "speed limit" or "thermometer" your current growth engine allows.
Breaking Down The Growth Ceiling Trap
Take a startup SaaS tool:
- They add 20 new customers every month
- Their churn sits at 5%
- ARPU is $100/month
When you run the math:
- Total customers max out at 20/5% = 400
- MRR caps at 400 * 100 = $40,000
That means, without a shift in acquisition by running better marketing campaigns, ARPU, or churn reduction by running better customer onboarding or providing better customer support, this startup will stall at $40K MRR. The great thing, if you're a HubSpot platform user, is you can manage a majority of these levers out of one platform.
Now, this isn't theory. Canva hit a ceiling point early in its growth until it moved from a freemium-only model to upselling prosumers with Canva Pro. Similarly, Atlassian famously focused on expansion revenue, upping ARPA by moving teams from Jira's entry-level to entire enterprise suites. And on the churn side, Slack's survival depended on reducing organizational churn by embedding itself inside workflows, making it sticky beyond individual users.
Extending Your Glass Ceiling
The good news is that the ceiling isn't set in stone, you can raise it by tuning the three growth levers:
- Acquisition → Accelerate customer onboarding (e.g., how Notion expanded through viral templates)
- ARPA → Grow revenue per account with upsells and add-ons (e.g., HubSpot bundling Marketing + Sales + Service hubs)
- Churn → Reduce customer loss with retention plays (e.g., Zoom investing big in customer success during peak demand)
The exciting part? Once you calculate your growth ceiling, growth strategy becomes way clearer. You can pinpoint which lever moves the needle most for your SaaS, rather than guessing.
What did you find out when you used the calculator?
Let me know what surprises you uncovered in the LinkedIn comments.
