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July 21, 2025 54 mins

Immad grew Mercury to $500M in annualized revenue and profitable. Mercury is one of the fastest-growing fintech startups ever. No wonder they just raised $300M from Sequoia at $3.5B. 

Immad breaks down exactly how he structured a viral launch, why fundraising is easier with zero customers than you think, and how he unlocked massive word-of-mouth growth. If you’re building a startup, especially in fintech, you can’t miss this episode.

Why You Should Listen

  • How Mercury went from $0 to $1M ARR in just 5 months
  • How Mercury leveraged Twitter to explode user growth at launch
  • Why building with zero users might be your secret advantage
  • Why Immad believes defining company culture at employee #4 was critical to hitting $500M in revenue

Keywords

Mercury, Sequoia, Immad Akhund, startup fundraising, fintech startup, product market fit, neobank, early-stage growth, Y Combinator, banking as a service, startup culture

00:00:00 Intro

00:09:23 How Immad Validated the Idea for Mercury

00:17:53 Why Immad Turned Down VC to Start Another Company

00:28:11 How Immad Raised a $6M Seed Round Before Writing Any Code

00:36:08 Launching Mercury and Going Viral on Twitter

00:47:08 Knowing You Have Product Market Fit

00:51:48 Raising a $20M Series A Just 3 Weeks After Launch

00:53:10 The Importance of Defining Your Culture Early

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