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Flex Raises $60 Million to Build AI-Native Private Bank for Mid-Sized Business Owners

The company targets profitable “jumbo shrimp” operators with an integrated platform that blends AI agents with expert oversight.

Overview

  • Portage led the Series B round, bringing Flex’s total equity raised to $105 million and a reported valuation of about $500 million, according to a person familiar with the deal.
  • Flex reports quadrupled revenue and a tripling of total payments volume to $3 billion over the past 12 months.
  • The company is launching Flex Elite, an invite-only consumer card positioned against American Express Centurion for high-net-worth business owners.
  • Flex bundles private credit, payments, and both business and personal finance into one system powered by agentic AI, including an “AI CFO” and underwriting agents.
  • Proceeds will accelerate product development and hiring beyond its roughly 80-person team, with the company emphasizing human checks on AI outputs given industry skepticism about real-world deployment.