Fintech & Trading AISeries CWorkflowℹRillet
An accounting system built around AI agents.
Company snapshot
- Stage
- Series C
- Funding
- Series C · $100M · Aug 17, 2026
- Status
- published
- Updated
- Nov 8, 2026
- Views
- Category
- Fintech & Trading AI
- Website
- rillet.com
What they're building
An accounting system built around AI agents. Rillet builds an AI-native accounting system that runs general ledger and finance workflows with agent assistance, human approvals, and auditable records.
Founders
Nicolas Kopp
Co-founder
Stelios Modes
Co-founder
Foundation model usage
Editorial estimates from product descriptions. Model providers and actual usage are not confirmed.
- Inferred architecture
- Agentic loops
- Potential advantages
- Workflow lock-in
- Estimated model demand
- High intensity
NYC footprint
- NYC presence
- NYC company or team supported by public sources. Street address has not been verified.
Funding
Latest funding: Series C · $100M · Aug 17, 2026. Lead investor: ICONIQ.
Sources & location evidence
Open research desk ↗Profile source review: 2026-11-04. Current company LinkedIn identifies San Francisco headquarters and a NYC office. A co-founder describes visiting its larger New York office in August 2025. The older legal address at 1 Liberty Street is not used as physical-office proof.
- https://www.rillet.com/ ↗
- https://www.linkedin.com/company/team-rillet ↗
- https://www.rillet.com/blog/rillet-raises-100m-series-c-at-1b-valuation-to-build-accounting-superintelligence ↗
- https://www.rillet.com/about ↗
- https://www.linkedin.com/posts/stelmod_i-just-came-back-from-a-week-long-trip-jetlagged-activity-7362167160145686528-CZTF ↗
Location unresolved · verified office
Street address not public. Current occupancy not confirmed. Company profile lists NYC office alongside San Francisco headquarters and Barcelona. Co-founder explicitly describes visiting its newer larger New York office in August 2025. No exact street; older legal address is not assumed physical.
Rillet - official LinkedIn ↗Source checked 2026-11-03
Notes
Rillet is tagged workflow based on buyer clarity, repeat workflow activity, public activity, and fit with the AI Atlas map.
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