Arch is a fintech startup that provides an AI-powered platform for automating the management of private market investments, including data aggregation from documents like K-1s, workflow automation such as capital calls, and real-time portfolio insights across asset classes like private equity, venture capital, and real estate. It serves institutional investors, family offices, and advisors by centralizing data and reducing administrative friction. As a Series B company, Arch positions itself as the leading alternatives management platform modernizing private markets infrastructure.