Tabs Raises $55M Series B Led by Lightspeed to Bring AI Agents to the CFO’s Office

September 16, 2025 at 07:00 AM EDT

Tabs’ AI Agents Automate the Last Untapped Workflow in Finance, Driving Faster Cash Collection and Smarter Revenue Reporting

Tabs, the first AI-native revenue platform purpose-built for modern finance teams, today announced a $55 million Series B round led by Lightspeed Venture Partners, with participation from General Catalyst, Primary Venture Partners, and WiL (World Innovation Lab). Tabs’ total funding to date is now more than $91 million.

Despite waves of innovation in payments, spend management, and payroll, revenue workflows - billing, collections, revenue recognition, and reporting - have remained the forgotten workflows of finance. Finance teams still rely on manual ERP workflows and a patchwork of point solutions and spreadsheets. Studies show finance teams spend up to 50% of their time on billing and collections, with invoice error rates as high as 20%. The result is delayed cash flow, missed revenue, and hours wasted reconciling data across fragmented systems.

With $125 trillion in global B2B transactions annually, revenue management is one of the largest and most urgent opportunities for automation.

Tabs’ AI-Native Platform solves these problems by automating the entire contract-to-cash cycle, enabling faster invoicing, automated collections, real-time revenue recognition, and faster month-end close.

What’s launching now:

Billing Agents and Integrations: Reads contracts, creates and sends invoices, and syncs with your CRM and ERP.
Collections Agents and Automations: Monitors due dates and automatically matches and reconciles payments.

In the last year, Tabs has grown to serve 200+ customers such as Cursor and Statsig, automating over $500 million in annual invoice volume, achieving 5X ARR growth, and helping customers automate over 80% of manual tasks spent on billing and invoicing.

The urgency for automation is growing. Finance and accounting leaders face increasingly complex pricing models with rising adoption of usage-based and hybrid contracts. Meanwhile, 75% of accountants are nearing retirement and new CPAs have declined 30% over the past decade. Instead of adding headcount, CFOs are turning to AI to automate billing and revenue tasks, accelerating cash cycles, and reducing manual work.

“Revenue in is the hardest and most valuable workflow in the enterprise, yet finance teams are still stuck with legacy ERPs,” said Ali Hussain, CEO and co-founder of Tabs. “Tabs is bringing modern AI agents to the CFO’s office, starting with billing, complex enterprise contract management, and collections, so companies can collect cash faster and reduce time spent on manual work.”

Recognizing Tabs’ early traction and the market’s urgent need for billing and revenue automation, Lightspeed returns as an investor by leading the Series B.

“Tabs is fundamentally changing how finance teams work, eliminating manual processes that have plagued revenue workflows for decades,” said Justin Overdorff, Partner at Lightspeed Venture Partners. “The team has combined deep finance expertise with purpose-built AI agents for revenue processing and tracking, and the rapid customer adoption we're seeing validates just how ready the market is for this transformation.”

Tabs will use the new funding to accelerate its agent roadmap, expand its New York–based engineering and AI research teams, and scale adoption across the fastest-growing technology and B2B companies.

About Tabs

Tabs is the leading AI-native revenue platform for modern finance and accounting teams. Tabs agents automate the entire contract-to-cash lifecycle, including billing, collections, revenue recognition, and reporting, to help teams eliminate manual work and accelerate cash flow. High-growth companies like Cursor and Statsig rely on Tabs to generate invoices directly from contracts, reconcile payments in real time, and automate ASC 606 compliance. Founded in 2023, Tabs has raised over $91 million from Lightspeed Venture Partners, General Catalyst, and Primary. The team is headquartered in New York and brings deep expertise in finance and AI. Learn more at www.tabs.inc.