Rillet

Cover Block

Attribute	Value
Name	Rillet
Tagline	AI-native ERP for SaaS and usage-based businesses, automating accounting close and replacing legacy systems.
Headquarters	New York, New York, United States
Founded	2021
Stage	Series B
Business Model	SaaS
Industry	Fintech
Technology	AI / Machine Learning
Geography	Global / Remote-First
Growth Profile	Venture Scale
Founding Team	Co-Founders (2)
Funding Label	$100M+ (total disclosed ~$108,500,000)

Links

• Website: https://www.rillet.com/
• LinkedIn: https://www.linkedin.com/company/team-rillet

The Short Version

Rillet is building an AI-native enterprise resource planning platform to automate accounting workflows for SaaS and usage-based businesses, a bet that has attracted over $100 million in venture capital from top-tier firms [Reuters, August 2025]. The company's thesis is that legacy systems like NetSuite are ill-suited for modern, recurring revenue models, creating an opening for a platform architected from the ground up for automation and real-time data. Founders Nicolas Kopp and Stelios Modes, who engineered the payment framework at digital bank N26, bring direct fintech operational experience to the challenge of rebuilding financial infrastructure [Yahoo Finance].

Their product automates core processes such as month-end close, revenue recognition, and multi-entity consolidations, positioning it as a full-stack replacement rather than a point solution [Rillet, retrieved 2025]. This ambition is backed by rapid commercial traction, with the company reporting over 500 customers, including public companies, and its annual recurring revenue doubling in the 12 weeks leading up to its Series B raise [fintech.global, August 2025]. The business operates on a SaaS model, targeting scaling companies with 10 to 50 employees that are outgrowing basic accounting tools.

Over the next 12-18 months, the key watchpoints will be the platform's ability to displace entrenched incumbents in larger enterprise deals, the scalability of its reported 4-6 week implementation promise, and whether the early velocity in ARR growth can be sustained as the customer base expands. The recent strategic alliance with EY, announced in April 2026, suggests a push into higher-touch, enterprise-grade finance transformations.

Data Accuracy: GREEN -- Core claims corroborated by company sources, Reuters, and Crunchbase News.

The Company in Brief

Rillet was founded in 2021 by Nicolas Kopp and Stelios Modes, who had previously engineered the payment framework for the European challenger bank N26 [Yahoo Finance]. The company is headquartered in New York, New York, and operates as a remote-first organization with a global reach [Crunchbase, Rillet]. Its founding premise was to rebuild enterprise accounting infrastructure from the ground up with AI as a core architectural principle, rather than as a later addition, targeting the specific operational complexities of SaaS and usage-based businesses [Rillet].

Key milestones trace a rapid trajectory from stealth to significant venture backing. The company emerged from stealth in 2024 and secured a $25 million Series A round led by Sequoia Capital in May 2025 [Crunchbase News, August 2025]. Just twelve weeks later, in August 2025, it announced a $70 million Series B round co-led by Andreessen Horowitz and ICONIQ, bringing its total disclosed funding to over $100 million [Reuters, August 2025]. By late 2025, the company reported it had grown to serve more than 500 customers, including public companies with over $1 billion in annual recurring revenue [Rillet].

A strategic alliance with the professional services firm EY was announced in April 2026, positioning Rillet's platform as a tool for AI-native finance transformation within larger enterprise engagements. The company's employee count is estimated to be between 51 and 100 individuals [prospeo.io].

Data Accuracy: GREEN -- Founding, funding, and headquarters confirmed by multiple public sources including Crunchbase, Reuters, and the company's website.

What They Have Built

Rillet's core proposition is an enterprise resource planning system built from the ground up for AI-driven automation, specifically targeting the financial workflows of scaling SaaS and usage-based businesses. The platform aims to replace manual processes and legacy systems by automating the month-end close, revenue recognition, invoicing, and journal entries [Rillet, retrieved 2025]. Its architecture is described as 'AI-native,' a claim that positions it as distinct from older ERPs that have added AI features as an afterthought [Rillet, retrieved 2025].

The product's functionality is designed for complex, modern business models. It manages multi-entity, multi-currency operations and global consolidations within a single platform [Rillet, retrieved 2025]. A key differentiator is its native support for usage-based pricing, allowing products to have metered price types and contracts to include usage commitments, which is critical for many contemporary SaaS companies [Rillet, January 2025]. The company states it automates a significant portion of routine tasks, citing examples of 80% automation and over 90% efficiency gains for some clients [ainvest.com, retrieved 2026]. Implementation is offered as a 'white-glove' service, with a typical timeline of four to six weeks [Rillet, retrieved 2025].

Integration is a central component of the automation promise. The platform connects with common operational systems like Salesforce, Stripe, Ramp, Brex, and Rippling to automate accruals, reconciliation, and reporting [llms.rillet.com, retrieved 2026].

Data Accuracy: YELLOW -- Product claims are sourced from the company's website and blog, with some performance metrics from third-party summaries.

Market Size and Demand

The market for modern enterprise resource planning software is undergoing a fundamental shift, driven by the migration of business operations to the cloud and the specific, complex accounting needs of subscription and usage-based revenue models. The company references a broader "$500B ERP market" [ainvest.com, retrieved 2026]. For context, the global enterprise resource planning software market was valued at $64.7 billion in 2022 and is projected to reach $130.6 billion by 2030, according to a report from Grand View Research [Grand View Research, 2023].

Metric	Value
Global ERP Market 2022	$64.7B
Global ERP Market 2030 (projected)	$130.6B

Data Accuracy: YELLOW -- Market sizing is based on an analogous third-party report and a company claim.

Who Else Is Fighting for This

Rillet positions itself as a modern, AI-native challenger to legacy enterprise resource planning systems, specifically targeting the financial operations of SaaS and usage-based businesses [Rillet, retrieved 2025].

Company	Positioning	Stage / Funding
Rillet	AI-native ERP for SaaS/usage-based businesses, automating accounting close.	Series B; $108.5M total disclosed.
NetSuite	Broad, established cloud ERP suite for mid-market and enterprise.	Public (Oracle subsidiary).
Sage Intacct	Cloud financial management system for SMBs and mid-market.	Public (Sage subsidiary).
Oracle	Legacy on-premise and cloud ERP solutions for large enterprises.	Public.
Microsoft	ERP through Dynamics 365, integrated with Microsoft 365 ecosystem.	Public.

Data Accuracy: YELLOW -- Competitor profiles are well-established public knowledge; Rillet's differentiation claims are sourced from its own materials and investor reporting.

Opportunity

If Rillet can successfully displace legacy ERP systems for a material portion of the $500 billion global market, the financial outcome would be measured in tens of billions of enterprise value [ainvest.com, retrieved 2026]. The company's rapid funding progression and early traction with large-scale customers suggest this is more than a niche product play. The headline opportunity is to become the default financial operating system for modern, high-growth SaaS and usage-based businesses.

Data Accuracy: YELLOW -- Market size and efficiency claims are from a single third-party source.

Sources

1. [Reuters, August 2025] AI accounting startup Rillet raises $70 million in Andreessen Horowitz, ICONIQ-led round | https://www.reuters.com/technology/ai-accounting-startup-rillet-raises-70-million-andreessen-horowitz-iconiq-led-2025-08-06/
2. [Yahoo Finance] Rillet Raises $70M From Andreessen Horowitz To Replace 'Dumb Databases' With AI Accounting That Closes Books In Hours | https://finance.yahoo.com/news/rillet-raises-70m-andreessen-horowitz-120000000.html
3. [Rillet, retrieved 2025] Rillet | The AI-Native ERP | https://www.rillet.com/
4. [fintech.global, August 2025] Fintech Startup Rillet Lands $70M Series B From a16z, Iconiq Just 12 Weeks After Last Raise | https://news.crunchbase.com/fintech/startup-rillet-ai-seriesb-a16z-iconiq/
5. [Crunchbase] Rillet - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/rillet
6. [Crunchbase News, August 2025] Fintech Startup Rillet Lands $70M Series B From a16z, Iconiq Just 12 Weeks After Last Raise | https://news.crunchbase.com/fintech/startup-rillet-ai-seriesb-a16z-iconiq/
7. [Rillet, January 2025] Changelog | https://docs.api.rillet.com/v2.0/changelog?page=11
8. [ainvest.com, retrieved 2026] Rillet: AI-Native ERP for SaaS and Usage-Based Businesses | https://ainvest.com/rillet-ai-native-erp
9. [llms.rillet.com, retrieved 2026] Rillet Pricing and Implementation: Model, Timeline, and Onboarding | https://llms.rillet.com/rillet-pricing-and-implementation
10. [prospeo.io, retrieved 2026] Rillet Company Profile | https://prospeo.io/company/rillet
11. [Grand View Research, 2023] Enterprise Resource Planning (ERP) Software Market Size, Share & Trends Analysis Report | https://www.grandviewresearch.com/industry-analysis/enterprise-resource-planning-erp-market
12. [Rillet Blog] Unlocking Value Creation in SaaS: Looking Beyond Growth at All Costs | https://www.rillet.com/blog/unlocking-value-creation-in-saas-looking-beyond-growth-at-all-costs