Avantos vs Rillet
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $25M Series A (Feb 2026) led by Bessemer Venture Partners. Vanguard and SEI are both customers and co-investors. AI data aggregation and agent layer across custodians, CRMs, and portfolio systems.
About
Avantos is a financial services AI infrastructure company that provides a data aggregation and AI agent layer spanning custodians, CRMs, portfolio management systems, and insurance policy platforms — enabling wealth management firms to deploy AI workflows across their existing software stack without replacing legacy systems. The company raised $25 million in Series A financing in February 2026 led by Bessemer Venture Partners, with Vanguard and SEI as simultaneous paying customers and co-investors.
Raised $70M Series B co-led by Andreessen Horowitz and ICONIQ in August 2025, doubling ARR over 12 weeks and signing 200+ customers as an AI-native replacement for legacy ERP accounting software.
About
Rillet is an AI-native ERP built for modern finance teams that automates the full accounting cycle — from transaction ingestion and reconciliation to close and reporting — without the manual spreadsheet work required by legacy systems like NetSuite and Sage Intacct. The platform was designed by accountants for accountants, with AI agents that learn each company's financial structure and automate repetitive month-end tasks. Rillet raised over $100M in under a year, including its Series A and B rounds, backed by a16z and ICONIQ.
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