What is annual recurring revenue?

Annual recurring revenue (ARR) is the annualised value of a company's recurring subscription revenue, normalised to a 12-month period. It is the primary revenue metric for SaaS and subscription businesses because it captures the predictable, contractual portion of revenue: the forward revenue the company can rely on from its existing customer base, assuming no new sales and no churn. For a startup with 50 customers each paying $2,000 per month on a subscription contract, ARR is $1,200,000. ARR excludes one-time fees, professional services, and non-recurring revenue. Only the contractually recurring component counts.

What is included and excluded from ARR?

What is the difference between ARR and MRR?

Monthly recurring revenue (MRR) is the monthly equivalent of ARR: recurring revenue normalised to one month. ARR = MRR x 12. MRR is used for day-to-day operational tracking because it shows month-on-month movements in real time: new bookings, expansions, contractions, and churn. ARR is used for board reporting and investor conversations because it provides an annual view that facilitates comparison against benchmarks and projections. A startup that tracks MRR operationally and reports ARR to investors is using both correctly.

What do investors look for in ARR?

Investors scrutinise ARR across three dimensions. First, growth rate: SaaS Capital's 2025 annual survey of more than 1,000 private B2B SaaS companies found a median ARR growth rate of 25 percent year-on-year in 2024. A startup growing materially above the median for its ARR band is in a stronger fundraising position. Second, quality: is the ARR from annual committed contracts or month-to-month subscriptions? Annual contracts are higher quality because they cannot churn mid-year and signal customer commitment. Third, composition: what share of net new ARR comes from expansion (upsells, seat additions) versus new logos? A startup where 40 percent or more of net new ARR comes from expansion has a fundamentally different and more capital-efficient growth profile.

What is the ARR waterfall and why does it matter?

The ARR waterfall is a month-by-month breakdown of ARR movements: new bookings added, expansions from existing customers, contractions from downgrades, and churn from cancellations. Net new ARR is the sum of these movements. The waterfall makes the composition of ARR growth visible: whether revenue is compounding through retention and expansion or being offset by high churn. Investors request the ARR waterfall in every Series A and B diligence process. A startup that cannot produce one immediately raises a credibility question about the quality of its revenue tracking.

What do founders get wrong about ARR?

The most common mistake is including non-recurring revenue in ARR. Professional services fees, implementation revenue, and one-time licence charges inflate the ARR figure but are not predictable. An investor reviewing the financials will strip these out. Overstating ARR by 15 to 20 percent because it includes services revenue creates a restatement conversation mid-diligence, exactly when trust is most fragile.

A second error is recording ARR at contract signature rather than at subscription commencement. If a customer signs in November but the subscription begins January 1, the ARR contribution begins in January, not November. Recording it at signing inflates the November ARR figure and creates an artificial growth bump. ARR must align with the revenue recognition start date under ASC 606.

Third: not segmenting ARR by cohort. Company-level ARR masks churn and expansion dynamics within different customer groups. A startup with 105 percent blended NRR may have 115 percent NRR for enterprise accounts and 88 percent NRR for SMB accounts. Maintaining ARR by segment enables the go-to-market decisions (pricing changes, customer success resource allocation, and acquisition focus) that compound growth over time.

How is ARR reported to investors and the board?

ARR reporting should be standardised across all investor communications: board decks, monthly updates, and Series B fundraising materials. The standard format includes current ARR, month-on-month ARR change, trailing 12-month net new ARR, and the ARR waterfall showing the composition of change. A common mistake is reporting ARR differently across documents: using MRR in monthly updates and ARR in the board deck without explicit reconciliation. Investors track ARR across multiple touchpoints and will notice if the numbers do not align, which creates unnecessary credibility questions.

For Series A and B fundraising, the ARR trend chart is typically one of the first slides in the pitch deck. Investors want to see not just the current ARR number but the acceleration or deceleration of the ARR growth curve over 18 to 24 months. A company that grew from $500,000 ARR to $2.5M ARR in 18 months with an accelerating monthly growth rate tells a fundamentally different story than one that grew to $2.5M ARR over the same period with a decelerating rate. Both have the same ending ARR; only the trend chart reveals the quality of the trajectory.

How does the cash flow statement appear in investor due diligence?

In a Series A or B data room, investors expect to see historical cash flow statements for the prior 12 to 24 months alongside the income statement and balance sheet. The cash flow statement is used to verify three things independently of what the income statement reports: whether the company is actually generating or consuming cash at the rate the income statement suggests, whether working capital movements (particularly deferred revenue and AR) are consistent with the ARR and revenue trends, and whether the financing activities section reconciles to the cap table and debt agreements in the data room.

The indirect method cash flow statement is the standard GAAP format and the one investors expect to see. A startup that presents a direct method statement (listing individual cash receipts and payments) or a simplified bank-balance-based cash summary is signalling either unsophisticated bookkeeping or non-standard accounting practices, either of which will slow down the diligence process. The fractional CFO's role in fundraising is to ensure the cash flow statement is in standard indirect method format, reconciles to the bank statement, and is presented alongside a narrative that explains the key drivers of the operating cash flow movements over the period.

Frequently asked questions

Related glossary terms

• Net Revenue Retention, the metric showing how ARR from existing customers grows or shrinks through expansion, contraction, and churn
• Burn Rate, the monthly cash consumption figure that growing ARR directly offsets; improving ARR is the primary lever to reduce net burn
• SaaS Magic Number, the sales efficiency metric calculated from net new ARR relative to sales and marketing spend

Explore related Fintera content

• SaaS Accounting Services, the SaaS-specialist accounting function that maintains the ARR waterfall and reconciles ARR to recognised revenue monthly
• Startup Valuation: The Methods Investors Use, how investors use ARR multiples as the primary valuation framework for SaaS companies at each growth stage