Mercury (https://mercury.com), a US-based provider of online business banking and integrated financial operations platform, has raised $200 million in Series D funding led by TCV. The platform delivers checking and savings accounts along with cards, expense management, payments, invoicing, accounting automations, and AI-powered insights for startups and scaling companies. The capital will accelerate product development amid regulatory progress.
AI Entrepreneurship Fuels Banking Demand
The timing aligns with surging startup formation and AI-driven entrepreneurship. Mercury reported a 2.5x increase in applications in Q1 2026 versus the prior year. Competitors continue to attract capital as well, with Brex securing $1.5 billion in total funding and Rho raising $365 million. Mercury’s zero-fee model and focus on seamless integrations address gaps left by legacy banks and fragmented tools.
Fragmented Tools Burden Startups
Startups and small businesses face high costs and complexity from piecing together multiple financial systems. Post-SVB collapse, many companies sought reliable digital alternatives, driving deposit inflows to modern platforms. Mercury gained over $2 billion in deposits and retained 92 percent of customers after six months. Current solutions often require manual workarounds and lack real-time intelligence.
AI-Native Stack Differentiates Mercury
Mercury built a connected platform that integrates banking with AI tools for insights and automations. Unlike competitors emphasizing rewards or granular controls, Mercury prioritizes a streamlined experience with terminal access via its new CLI for developers and AI agents. The company recently acquired Central, an AI-native payroll platform, to expand its financial OS.
As CEO Immad Akhund noted:
"AI is collapsing the friction between an idea and a company faster than anything I have seen in my career."
TCV Leads Growth-Stage Bet
TCV led the round with participation from Sequoia Capital, Andreessen Horowitz, Coatue, and CRV. These investors bring deep fintech expertise, including prior backing of Revolut and Nubank. Their continued support signals conviction in Mercury’s path toward becoming a full national bank.
Fintech Market Expands Rapidly
The global fintech market is projected to grow from $394.88 billion in 2025 to $1.76 trillion by 2034 at an 18.2 percent CAGR. Mercury now serves over 300,000 customers, including one in three US startups, and generates $650 million in annualized revenue while remaining profitable for four years. Recent competitor moves include Capital One acquiring Brex for $5.15 billion.
Regulatory Win Strengthens Position
Mercury received conditional OCC approval for its national bank charter in April 2026. This step reduces reliance on partner banks and positions the company for independent lending and payment capabilities ahead of peers.
Product Momentum Continues
With the recent launch of Mercury CLI and Insights, plus plans for Mercury Command conversational AI, the company is executing on its AI-banking thesis. Hiring across design and engineering supports broader expansion of its financial operations platform.