ARR (Annual Recurring Revenue)
The annualized value of recurring subscription revenue, used as the primary growth metric for SaaS companies.
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Definition
Annual Recurring Revenue (ARR) represents the annualized value of all active subscription contracts. It is the single most important metric for SaaS and subscription businesses, serving as the foundation for growth tracking, valuations, and investor reporting.
ARR includes only recurring revenue from subscriptions and excludes one-time fees, professional services, and variable usage charges (unless contracted). It normalizes revenue across different billing periods — monthly, quarterly, and annual — into a single comparable number.
Most SaaS companies track ARR alongside Net New ARR (new bookings minus churn) and ARR growth rate (year-over-year percentage change). A company is considered "hyper-growth" when ARR grows at 100%+ YoY.
Why It Matters for Founders
ARR is the metric that determines your company's valuation. Public SaaS companies are valued at a multiple of ARR, typically ranging from 5x to 20x depending on growth rate, retention, and profitability. Understanding and optimizing ARR directly impacts fundraising outcomes and exit value.
For founders, ARR provides a clear picture of business health and trajectory. Investors want to see consistent ARR growth with improving efficiency (lower CAC payback, higher NRR). ARR below $1M makes Series A fundraising very difficult; $1-3M ARR with strong growth is the typical Series A threshold.
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Formula
ARR = MRR × 12Real-World Example
A SaaS company with 500 customers paying $100/month has MRR of $50,000 and ARR of $600,000. If they add $10K MRR in Q1, their new ARR run rate is $720,000.
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Frequently Asked Questions
What is ARR in SaaS?+
What is the difference between ARR and revenue?+
What ARR do you need for Series A?+
How do you calculate ARR growth rate?+
Is ARR the same as run rate?+
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