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 | ARR Growth | Time Elapsed | Annualized CAGR |
|---|---|---|---|---|
| #1 | Build Concierge | $1M ➔ $2.1M | 2 months | +8243% |
| #2 | Zernio | $1M ➔ $2M | 2.8 months | +1913% |
| #3 | Moonshot | $200M ➔ $300M | 1.9 months | +1274% |
| #4 | KachingAppz | $12M ➔ $20M | 2.4 months | +1190% |
| #5 | Arcads AI | $13M ➔ $20M | 6.5 months | +122% |
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.
Build Concierge Historical Milestones
Jul 7, 2026
⚡ Weekly Growth Recap: The 5 Fastest-Growing Companies of the Week (July 7, 2026)$2.1M
Jul 1, 2026
Build Concierge surpasses $2.1M ARR in 6 months$2.1M
⚡ Grew from $1M to $2.1M ARR in just 2 months (beating 90% of SaaS peers)
May 1, 2026
Build Concierge hit £1m ARR in 3 months launch$1M