Rillet secures $25 million in Series A funding led by Sequoia Capital to expand its AI-native ERP platform designed for mid-market accounting teams. The company replaces outdated systems with real-time automation and integrated workflows, significantly reducing financial close times. With nearly 200 customers and rapid revenue growth, Rillet plans to scale product development and support operations.
$25M and Counting: Why Sequoia Backs Rillet’s AI Vision for Finance
Rillet has secured $25 million in Series A funding, led by Sequoia Capital. The announcement, made on May 28, 2025, comes just ten months after its previous fundraising round. The round also includes participation from First Round Capital, Creandum, Susa Ventures, and a number of individual investors. These include Ron Gill, former CFO of NetSuite, and Lee Kirkpatrick, former CFO of Twilio.
Sequoia partner Julien Bek led the firm’s engagement with Rillet. He highlighted the complexity of overhauling the financial infrastructure that businesses rely on, noting the scale of the challenge Rillet is taking on. Roelof Botha, Managing Partner at Sequoia and former CFO at PayPal, emphasized Rillet’s AI-native approach and its potential to become the system of record for modern finance teams.
Legacy Systems Hold Finance Teams Back—Rillet Says It Has the Fix
Traditional ERP platforms, such as NetSuite, are often criticized for being outdated and inefficient. Originally built decades ago, these systems typically involve significant manual input, excessive customization, and a lack of flexibility. Many accounting teams struggle with slow data processing, inconsistent records, and poor integration with newer tools.
These limitations make it difficult for teams to implement AI-driven processes. Effective AI requires structured, clean data and streamlined workflows, which legacy systems frequently lack. Rillet claims to solve these challenges by building an ERP solution from the ground up specifically for the AI era.
Inside Rillet’s AI-Powered ERP: What Sets It Apart
Rillet is not a bolt-on solution or automation layer over legacy architecture. It has reengineered the general ledger to suit the needs of modern, AI-focused accounting operations. The platform integrates directly with popular tools used by finance teams:
- Salesforce
- Stripe
- Ramp
- Brex
- Rippling
Rillet’s AI agents perform automated tasks across a wide range of workflows, including accruals, reconciliations, and board-level reporting. The platform generates fully reconciled financial data in real time, enabling timely insights and business decisions. Rillet is designed to serve as a single source of truth, minimizing the friction caused by data fragmentation.
Built by Accountants, for Accountants: The Human Factor Behind the Tech
Rillet was founded by a team with direct experience in the accounting profession. CEO and co-founder Nicolas Kopp emphasized that their deep familiarity with the pain points CFOs and controllers face informed every aspect of the product’s design. Reports, workflows, and automation features are tailored to real operational challenges, not abstract use cases.
This domain expertise influences how features are prioritized and built. The platform aims to support daily functions without requiring users to adapt to rigid systems or generalized templates.
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From Weeks to Hours: How Rillet Transforms Financial Close Processes
Traditional monthly close processes often take weeks to complete. Rillet’s technology reduces this timeframe significantly. By delivering reconciled, real-time data, finance teams can complete their books in hours rather than days or weeks.
This acceleration allows teams to operate with increased efficiency. Instead of focusing on manual data entry or error reconciliation, accounting professionals can shift to more strategic work. Faster close cycles also enable executives to understand business performance while it is still actionable.
What Rillet’s Customers Are Saying—and Why They Stick Around
Since its 2024 launch, Rillet has seen rapid adoption and growing interest from mid-market businesses. The platform is already used by nearly 200 customers. Early adopters include companies like Windsurf, Decagon, and Postscript.
Windsurf, an AI company experiencing fast growth, runs all of its accounting on Rillet. Adam Strouss, VP of Finance at Windsurf, noted that the platform felt tailor-built to their complex mix of revenue models and product types. Rillet has helped them manage these challenges without requiring custom development or extensive configuration.
ERP Is a $100B+ Market—Here’s How Rillet Plans to Capture Its Share
ERP remains one of the largest and most entrenched software categories globally. Despite the scale of the market, few companies have successfully disrupted its dominant players in recent years. Sequoia sees Rillet as one of the few positioned to change that.
What sets Rillet apart is its native use of AI from the core ledger outward. Unlike traditional ERP systems that require third-party extensions or manual configurations to enable automation, Rillet integrates AI-driven capabilities into its foundational infrastructure. This approach is seen as critical for enabling finance teams to scale efficiently while maintaining accuracy and oversight.
Funding Fuels Growth: What’s Next for Rillet’s Expansion Plans
With fresh capital, Rillet plans to invest in three main areas:
- Enhancing AI capabilities within its platform
- Building out customer support and go-to-market teams
- Scaling infrastructure to support more clients and larger organizations
These efforts aim to support continued adoption across industries and markets. While specific geographic or sector expansions were not disclosed, the company indicated that growth and team hiring are top priorities.
AI Isn’t the Future of Finance—It’s the Present, and Rillet Proves It
Rillet’s Series A funding signals confidence in the increasing role of AI within the finance function. Legacy ERP tools no longer meet the needs of agile, mid-sized companies trying to compete in data-driven environments. Rillet’s platform offers a reimagined approach to accounting—centered around automation, real-time data access, and deep integration with modern business tools.
The company’s trajectory reflects a broader shift toward intelligent financial systems that enable faster decision-making, increased efficiency, and reduced operational overhead. With backing from Sequoia and growing customer momentum, Rillet positions itself as a serious contender in the evolving ERP landscape.
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