The round was led by MissionOG and a previously unannounced $8.5 million seed round led by Index Ventures, with participation from Cowboy Ventures, First Round Capital, Homebrew, and Restive Ventures. The company will use the capital to expand its compliance coverage and grow the team serving fintechs, financial institutions, and digital asset companies.

Eisen is a compliance operations infrastructure company for fintechs and financial institutions that hold customer funds. Its platform replaces spreadsheets, disconnected vendors, and institutional memory with software that continuously applies regulatory requirements across all 50 states. Eisen supports escheatment, disbursement, and 1099 reporting, and currently monitors tens of millions of accounts representing $16 billion in balances.