The burn rate is the monthly pace at which a startup or growth-stage company consumes its net cash to fund operations before reaching profitability. It is the survival indicator par excellence for scaling companies whose operating expenses still exceed revenues. It directly conditions the runway (cash horizon) and the necessity of raising additional funds.

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Two forms are distinguished: the gross burn rate (total monthly expenses regardless of revenue) and the net burn rate (monthly expenses net of cash revenues received). The net burn rate is the relevant indicator for investors: it measures actual cash consumption after accounting for revenues. A startup with CHF 300,000 monthly expenses and CHF 100,000 revenues has a net burn of CHF 200,000/month.

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In startup valuation, burn rate is analysed alongside ARR and runway to assess the urgency of the next fundraising and evaluate capital deployment efficiency. The burn multiple ratio (net burn / net new ARR) is used by VC funds to measure capital efficiency: a burn multiple below 1 indicates that each franc burned generates more than one franc of new ARR — a sign of capital-efficient growth.

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Example: a Swiss SaaS startup raises CHF 2.0 million in seed. Its net burn is CHF 120,000/month (runway of 16.7 months). At CHF 50,000 in new ARR per month, its burn multiple is 120,000 / 50,000 = 2.4x — acceptable at seed stage but to be improved before Series A.

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At Hectelion, we analyse burn rate and runway in our startup valuations and due diligences to assess the financing plan's sustainability and the value of deployed capital.