AI-Native ERP Evaluation · Full-stack replacement
Rillet
AI-native ERP built by accountants, for modern finance teams
- Headquarters
- New York
- Founded
- 2023
- Total funding
- >$100M
- Valuation
- ~$500M
Latest round: $70M Series B (Aug 2025, a16z & ICONIQ co-led). Investors: Sequoia, a16z, ICONIQ, Oak HC/FT.
By Glenn Hopper · Updated October 2026 · Vendor facts from vendor materials and public reporting as of March 2026. Confirm each claim in the demo.
Positioning
What Rillet is built for
Positions itself as the solution for companies that have outgrown outdated ERPs and want a zero-day close capability. Rillet targets venture-backed startups and mid-market firms needing real-time financials and AI-driven efficiency. The founding team includes former EY controllers and ex-auditors who built compliance into the architecture from the ground up.
AI capabilities
How Rillet uses AI in accounting and reporting
- AI agents that automate journals, accruals, reconciliations, and management reports
- "Smart GL" that trains on clean financial data to flag anomalies and handle routine tasks autonomously
- Close books in hours with continuously reconciled ledgers
- Multi-currency, multi-entity consolidation out of the box
- Conversational search for instant record lookup and AI Copilot for custom report generation
Compliance and audit readiness
Rillet on controls, SOX, and the audit trail
Audit and control is a core focus area. Chief Product Officer is a former EY controller; team includes ex-auditors who built control layers including approval workflows, granular user roles, and immutable audit logs. Provides "audit-ready" consolidation with every entry tied across entities. Likely SOC 2 compliance in progress. Formed partnerships with top accounting firms (Armanino, Wiss) to validate the system for audit.
SOX readiness in the comparison matrix: In progress.
Migration and implementation
Moving to Rillet: migration claims and go-live
Extremely fast onboarding relative to incumbents: cites 4-week implementations versus 6-12+ months for legacy ERPs. One customer went live in 3 days on Rillet. Windsurf (rapidly growing AI company) moved entire finance onto a lean 2-person team. Claims 200+ customers signed within approximately one year. Data migration handled by AI mapping from old systems.
Migration speed in the comparison matrix: 4 weeks (3 days fastest).
Integrations
Rillet integrations: banks, billing, CRM, and payroll
Deep integrations that come standard with direct connectors for Salesforce, CRM, payment processors (Stripe, Brex, Ramp), cards, and banking feeds. Real-time sync with billing systems. 200+ integration endpoints as of 2025, plus custom APIs.
Who it fits
Which finance teams Rillet fits
Venture-backed startups and mid-market firms ($5M-$200M revenue) that need to automate complex revenue models and multi-entity structures. Companies frustrated with NetSuite/Intacct seeking real-time financials.
Ideal stage in the comparison matrix: Startups / Mid-market.
Side by side
Rillet against the other six
| Company | Approach | Total funding | SOX ready? | Migration speed | Ideal stage | Integrations |
|---|---|---|---|---|---|---|
| DualEntry | Full-Stack | >$100M | Yes (Ultra tier) | 24hr data + ~4 weeks | Mid-market | 13,000+ |
| Campfire | Full-Stack | $100M | In progress | Weeks (no consultants) | Growth / Pre-IPO | Growing |
| Rillet | Full-Stack | >$100M | In progress | 4 weeks (3 days fastest) | Startups / Mid-market | 200+ |
| Nominal | Augmentation | ~$30M | Preserves existing | Weeks (no migration) | Mid-market / Enterprise | Major ERPs + banks |
| Doss | Ops-Focused | ~$20M | Not yet | 2 weeks (fastest) | Product / Manufacturing | ~30 |
| Lensing | Full-Stack | $140M | Designed for it | <6 weeks for NetSuite | Late-stage / Pre-IPO | API-first |
| Keel | Ops-Focused | ~$6M | Build your own | Weeks (no-code) | Early-stage / Ops teams | API-first / Open |
Full scoring, the incumbent comparison, and the compliance reality check are in the AI-Native ERP Landscape.
Due diligence
Questions to ask Rillet in a demo
The same ten questions apply to every vendor in the landscape. Make Rillet answer them live, in the system, on your data where possible.
Q1
Show me the audit trail for an AI-generated journal entry.
If the AI auto-posts entries, your auditors will want to see exactly what triggered it, what data it used, and how it arrived at the amount. A clean audit trail is non-negotiable for SOX environments.
Q2
What happens to my data if your company shuts down next year?
These are venture-backed startups. Some will not survive. You need to understand data portability, escrow arrangements, and export formats before you sign.
Q3
Can I run your system in parallel with my existing GL for 90 days?
Parallel running is the gold standard for ERP migration. Any vendor that resists this request is optimizing for their sales cycle over your risk management.
Q4
Which Big 4 or national audit firm has signed off on your controls?
SOC 2 Type II is the minimum. But what you really want to know is whether a major audit firm has actually examined the system in a client engagement. Ask for the reference.
Q5
Walk me through a multi-entity consolidation with intercompany eliminations.
This is where simple demos break down. Real-world consolidations involve currency translation, minority interests, and elimination entries. Make them show it live, not in slides.
Q6
What does '24-hour migration' actually include?
Data migration is one piece. What about chart of accounts mapping, historical reporting continuity, user training, parallel testing, and auditor sign-off? Decompose the timeline into its real components.
Q7
How do your AI models handle edge cases and exceptions?
AI that works 95% of the time still means 5% of transactions need human review. Understand the exception workflow, how exceptions are flagged, and what the override process looks like.
Q8
Show me your permissions model for a SOX-compliant environment.
Segregation of duties, approval workflows, period locks, role-based access. These are not optional for public companies or companies preparing for an IPO. Ask to see the actual configuration, not a feature list.
Q9
What integrations are native versus built on Zapier or generic APIs?
13,000 integrations sounds impressive until you learn 12,900 of them are through a third-party connector platform. Native integrations are real-time and reliable. Generic ones break.
Q10
Can I speak with a CFO at a company your size who has been live for 6+ months?
The most important reference is a company at a similar stage to yours that has been through at least one full audit cycle on the new platform. Accept nothing less.
Ask SAL