Mercury

Mercury

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Introduction
Online business banking for startups and scaling companies, combining checking, savings, cards, payments, and AI-powered accounting.
Listed on
September 17, 2026

What is Mercury?

Mercury is a fintech platform offering online business banking for startups, small businesses, and scaling companies. It provides free checking and savings accounts, corporate cards and spend management, payments and invoicing, and access to capital such as working capital loans and venture debt. Mercury also includes AI-powered accounting software called Mercury Books, plus treasury, insights, and an API for managing finances in one place.

How to use Mercury?

  • Apply online in about 10 minutes to open a Mercury business account. Once approved, you can set up checking and savings accounts, issue virtual and physical cards, send payments and create invoices, and connect accounting tools like QuickBooks, Xero, or NetSuite. A demo is available to explore the product before applying.

Core features of Mercury

  • Free business checking and savings accounts with zero minimums
  • Corporate cards with 1.5% cashback and spend management, limits, and approvals
  • Payments and invoicing with no fees on USD payments and free invoices
  • AI-powered accounting software (Mercury Books) and accounting integrations
  • Treasury by Mercury Advisory with yield on balances
  • Access to capital including working capital loans and venture debt
  • Insights and API for understanding and managing finances

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