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Rillet

An accounting system built around AI agents.

Company snapshot

Stage
Series C
Funding
Series C · $100M · Aug 17, 2026
Status
published
Updated
Nov 4, 2026
Views
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.

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.

Hiring

Open roles at Rillet

25 roles from the company's careers page.

Updated 1h ago

 Implementation Agentic migration & CPA-lead

OtherListed 1h ago

CPA-Led ERP Implementation | Rillet css__global.

Lead HR Business Partner

OperationsSan FranciscoListed Oct 9

Turn people data into decisions and build the playbooks that let the company scale.

Engineering Manager

EngineeringSan FranciscoListed Oct 5

Lead an engineering team responsible for an important part of Rillet, across either customer-facing product or the systems and platforms behind it.

Deployment Lead - Accounting Solutions - UK

GTMLondonListed Sep 21

Build trust with customers by being responsive, thoughtful, and solutions-oriented.

Partnerships, Private Equity & Venture Capital

GTMSan FranciscoListed Sep 16

We’re using that backing to build the financial infrastructure for the next generation of companies and help every business run its numbers at the speed of AI.

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