TL;DR
- What it is: The Bessemer Efficiency Score measures how much net new ARR a SaaS company generates per dollar of net burn. Formula: Net New ARR / Net Burn. Higher is better.
- BVP classifications: Good is below 0.5x. Better is 0.5x to 1.5x. Best is above 1.5x. These benchmarks apply across stages but expectations rise as companies mature.
- Why it matters: In the 2026 funding environment, capital efficiency is the primary filter investors apply. Companies with scores above 1.0x raise at meaningfully better terms than those below.
- vs burn multiple: The efficiency score is the inverse of burn multiple. A score of 1.5x equals a burn multiple of 0.67x. The efficiency score is more intuitive — higher means better.
- How to improve: Reduce CAC payback, improve net revenue retention, shorten sales cycles, cut non-revenue spend, and track the metric monthly — not just at board meetings.
The Bessemer Efficiency Score is the metric venture capitalists use to answer one question: is this company converting capital into recurring revenue efficiently, or is it burning cash to buy growth that will never pay back? The formula is simple — net new ARR divided by net burn — but the implications are not. A company that generates $1.50 in new recurring revenue for every dollar burned is in a different universe from one that generates $0.40. Both can have impressive top-line numbers. Only one has a sustainable model.
This guide explains what the Bessemer Efficiency Score measures, where it came from, how to calculate it correctly, what Bessemer Venture Partners considers Good, Better, and Best, how benchmarks shift by company stage, when the metric misleads, and how operators can move the number in the right direction. We will also compare it to burn multiple and the Rule of 40 so you know when to use each.
What Is the Bessemer Efficiency Score?
The Bessemer Efficiency Score is a capital efficiency metric developed by Bessemer Venture Partners, one of the most active investors in cloud and SaaS companies. It measures the relationship between growth and burn — specifically, how many dollars of net new annual recurring revenue a company creates for every dollar of net cash burn.
The formula is:
Bessemer Efficiency Score = Net New ARR / Net Burn
Net new ARR is the increase in ARR over the measurement period, accounting for new customers, expansion from existing customers, and churn or downgrades. If you started the year at $3M ARR, added $2M from new customers, expanded $800K from existing customers, and lost $300K to churn, your net new ARR is $2.5M.
Net burn is the cash lost from operations during the same period — total cash spent minus cash collected from customers. If you spent $4M and collected $2.2M in revenue, your net burn is $1.8M. Your efficiency score is $2.5M / $1.8M = 1.39x.
Net burn is not operating loss. Operating loss includes non-cash items like depreciation and stock-based compensation. Net burn is a cash figure: actual cash left the bank account. For early-stage companies, cash is what matters.
Net new ARR is also not gross bookings. If you sign $1M in new contracts but lose $400K to churn, your net new ARR is $600K. Using gross bookings instead of net new ARR flatters the number and hides retention problems.
Key distinction: The Bessemer Efficiency Score is a capital efficiency metric, not a profitability metric. A company can have a strong efficiency score and still be unprofitable. What the score captures is whether the unprofitability is buying growth efficiently — or just burning cash.
Where the Metric Came From
Bessemer Venture Partners introduced the Efficiency Score in 2019 as part of their broader framework for evaluating cloud companies. It emerged from a simple observation: growth rate alone was no longer enough to justify investment. After the 2020–2021 zero-interest-rate period produced companies with impressive top-line numbers and catastrophic unit economics, investors needed a way to distinguish efficient growth from expensive growth.
The metric gained prominence in 2022 and 2023 as capital became more expensive and venture firms shifted from growth-at-all-costs to capital-efficiency-first investing. Bessemer's annual State of the Cloud report began featuring the Efficiency Score alongside traditional metrics like the Rule of 40, giving operators and investors a shared language for discussing burn.
In 2024, Bessemer introduced the "Rule of X" as an evolution of the Rule of 40, applying a growth multiplier that reflects the higher valuation impact of growth relative to profitability. The Efficiency Score sits alongside these frameworks as the purest measure of capital conversion: for every dollar you spend, how much recurring revenue do you create?
Research by SaaS Capital and OpenView Partners has consistently shown that efficient SaaS companies command higher valuations. In their 2024 analysis, public SaaS companies with efficiency scores above 1.5x traded at median revenue multiples approximately 2.3x higher than those with scores below 0.5x. The relationship is direct: investors pay more for companies that convert capital into revenue efficiently.