Every week, ARR Club's analytics engine processes new revenue milestones to find the fastest-growing SaaS and AI companies in our database. Here is this week's Growth Velocity Leaderboard based on verified ARR milestones published over the past 7 days:
| Rank | Company | Growth Rate (CAGR) | ARR Trajectory |
|---|---|---|---|
| #1 | Klar |
+8628x
annualized over 1.7 months
|
$138K → $500K |
| #2 | Trendtrack |
+15x
annualized over 3.0 months
|
$4M → $8M |
| #3 | Zernio |
+14x
annualized over 1.8 months
|
$2M → $3M |
| #4 | Hugging Face |
+13x
annualized over 1.9 months
|
$100M → $150M |
| #5 | Cognition |
+997%
annualized over 3.0 months
|
$492M → $900M |
Note: CAGR (Compound Annual Growth Rate) is computed based on the linear time elapsed between the two most recent revenue milestones. Only companies with verified ARR updates in the past 7 days are considered for this recap.
Klar Historical Milestones
Aug 30, 2026
The 5 Fastest-Growing Companies of the Week (August 30, 2026)$500K
๐ 8628X Growth
Aug 28, 2026
Klar ARR hit $500K with 80%+ conversion$500K
โก Grew from $138K to $500K ARR in just 1.7 months (beating 98% of SaaS peers)
Jul 7, 2026
Klar ARR hit โฌ130K within 30 days of launch built with lovable$138K
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