general-ledger
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Ark
Ark is a Boston-based software company that builds a cloud platform for running private capital funds. Founded in 2017, it combines fund accounting, an investor portal, LP reporting, and fundraising tools into one system used by venture capital, private equity, fund-of-funds, and real estate managers as well as the fund administrators who service them. By 2026 the platform supported more than 500 GPs and administrators overseeing roughly $185 billion in assets. In July 2026, AngelList acquired Ark to fold its fund-administration software into AngelList's banking, payments, and cap-table infrastructure.
Rillet
Rillet is an AI-native ERP built by accountants that automates the month-end close, recognizes revenue in real time, and surfaces SaaS metrics directly from the general ledger. Founded by former N26 US CEO Nicolas Kopp and CTO Stelios Modes, the San Francisco company positions itself as a modern replacement for legacy systems like NetSuite and QuickBooks, letting finance teams close their books in days instead of weeks. Backed by Sequoia, Andreessen Horowitz, and ICONIQ, Rillet has raised over $100M and serves 500+ scaling companies.