investing

Series A

The first significant round of venture capital financing for a startup that has demonstrated product-market fit, typically raising $2-15 million to scale operations.

Example

After proving product-market fit with 10,000 users, the startup raised a $8 million Series A from Sequoia Capital.

Memory Tip

Series A = first big VC round. You've proven the idea works — now scale it.

Why It Matters

Series A funding represents a critical validation milestone that affects how startups you invest in or work for will operate and grow. Understanding this term helps you evaluate whether a company has real traction and is worth your time, money, or career commitment versus earlier-stage ventures that may never gain significant momentum.

Common Misconception

Many people believe Series A is the first money a startup receives, but it actually comes after seed funding and angel investments. Series A specifically marks when a company has proven customers or users are willing to pay, making it fundamentally different from earlier funding rounds based primarily on potential.

In Practice

A mobile app startup raises $500,000 in seed funding to build their product, then gains 50,000 active users with strong retention metrics. Based on this traction, they raise a Series A of $8 million to hire a larger team, expand marketing, and add new features, allowing them to grow from a small team of 5 to 25 employees within 18 months.

Etymology

SERIES (sequential, first in a series) A (the first letter). The A in the SERIES of institutional funding rounds.

Common Misspellings

series-aseries A.Serie Asereis A
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Related Terms

seed fundingventure capitaldilutionterm sheet

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appreciationAn increase in the value of an asset over time.bondA fixed-income investment where an investor loans money to adiversificationA risk management strategy that mixes a wide variety of invedividendA payment made by a corporation to its shareholders, usuallyexpense ratioThe annual fee that mutual funds or ETFs charge investors, efixed incomeInvestments that provide a regular, predetermined return, su

See Also

Series B
Also from the same team

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