Series B
The second major venture round, typically $30-60M, focused on scaling market presence and expanding the team.
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Definition
Series B funding is raised by companies that have proven their business model works at scale and need capital to accelerate growth. Typical raises range from $30-60M at $100-300M valuations. At this stage, investors expect strong unit economics, a repeatable go-to-market motion, and clear category leadership potential.
Series B companies typically have $5-15M ARR, 100%+ growth, and are expanding their team, entering new markets, or building new products. The funding is used to pour fuel on a fire that is already burning — not to experiment.
The investor profile shifts at Series B. Growth equity firms and larger VC funds participate alongside existing investors. Due diligence is more rigorous, with deep dives into cohort analysis, sales efficiency, and competitive positioning.
Why It Matters for Founders
Series B determines whether a company will become a market leader or remain a mid-tier player. The capital enables the aggressive expansion needed to capture market share during the critical growth window. Companies that under-raise at Series B risk being outpaced by better-funded competitors.
This is also the stage where the stakes become very real. Series B companies typically have 50-200 employees, significant burn rates, and demanding investor expectations. Execution must be flawless to justify the valuation and reach Series C or profitability.
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Real-World Example
A company with $8M ARR growing 150% YoY raises a $45M Series B at $180M pre-money to expand into Europe and triple the sales team.
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Frequently Asked Questions
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