Unknown Publication · 2025-10-28 · 218d

Building Product-Market Fit: Mercury's Strategy of Doing the Hard Part First

Serial founder Immad Akhund shares lessons from building Mercury, a fintech platform for startup banking that reached $3.5B valuation. He emphasizes the importance of idea selection, deep market exploration through expert conversations, and choosing the right business model (sponsor bank vs. charter) before scaling.

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Metrics in this report

Company Valuation

3.5$B

current

Mercury fintech platform

Customer Base Size

200000companies

current

Mercury active user accounts

Expert Discovery Conversations

90interviews

total

Market research phase duration

Market Research Duration

4months

sprint period

Initial expert interview phase

Series C Funding Amount

300$M

recent

Mercury fundraising round

Time to Bank Branch Visit

3hours

minimum

Wire transfer enablement in traditional banking