Rox, a Palo Alto startup that builds autonomous AI agents for sales teams, closed a $100 million Series B at a $1.3 billion valuation led by General Catalyst and March Capital. The round will fund product development and expand commercial headcount fivefold in 2025.
TL;DR
- Rox raised $100M Series B at a $1.3B valuation led by General Catalyst and March Capital, with Sequoia and GV participating.
- The startup's AI agents automate account prioritization and outreach, positioning itself as a replacement for legacy CRM stacks like Salesforce.
- Annual recurring revenue has grown more than tenfold since launch, though Rox did not disclose a dollar figure.
What happened
Rox, founded by Ishan Mukherjee and a team including AWS and Google alumni, closed a $100 million Series B led by General Catalyst and March Capital. Sequoia and GV re-upped, while Prosperity7 joined as a new investor.
The company told Fortune it will use the capital to scale AI research, product development, and commercial teams fivefold in the U.S. next year.
Rox pitches its agents as a replacement for CRM suites like Salesforce, claiming they research customer accounts, prioritize targets, and prepare outreach automatically.
Early customers include Ramp, New Relic, Trafigura, MongoDB, Groq, and America's Auto Auction. The startup says annual recurring revenue has grown more than tenfold since its first year post-launch, without disclosing a dollar figure.
Why it matters
For startup founders, Rox's trajectory shows that AI-native sales tools can attract marquee backers and rapid revenue growth even without Salesforce-scale traction.
Investors are betting that AI agents will erode seat-based SaaS revenue, a trend the industry has dubbed the "SaaSpocalypse," and Rox is positioning itself to capture enterprise spend migrating off legacy stacks.
The company's technical team—including a Stanford AI Lab professor and former AWS and Google engineers—signals deep expertise in building scalable AI systems, which could accelerate product velocity.
Open questions remain: Rox has not disclosed ARR or user counts, and replacing Salesforce's entrenched network effects will require more than product superiority—it will need proof of enterprise-scale adoption.
Key facts
- Rox raised $100 million in Series B funding at a $1.3 billion valuation, according to Fortune.
- General Catalyst and March Capital co-led the round; Sequoia and GV returned, and Prosperity7 joined as a new investor.
- Rox's AI agents automate account research, prioritization, and outreach for sales teams.
- Early customers include Ramp, New Relic, Trafigura, MongoDB, Groq, and America's Auto Auction.
- Rox says annual recurring revenue has grown more than tenfold since its first year after launch, without disclosing a dollar figure.
- The startup plans to grow its U.S. sales, marketing, and commercial team fivefold in 2025.
- Rox was founded by Ishan Mukherjee, former New Relic chief growth officer and Pixie Labs founder (acquired by New Relic for ~$150M in 2020).
- The company's cofounders include Shriram Sridharan (AWS Aurora founding member), Diogo Ribeiro (ex-Google engineer), and Stanford AI Lab professor Christopher Ré.
Context
Salesforce reported $41.5 billion in revenue for fiscal 2026 and claims more than 150,000 customers, underscoring the scale incumbents command in enterprise CRM.
Investor anxiety over AI agents displacing seat-based SaaS revenue has contributed to volatility in software stocks this year, a trend some market watchers call the "SaaSpocalypse."
AI-native products built on fresh code bases are increasingly favored by VCs over legacy stacks, according to General Catalyst partner Marc Bhargava, who invested in Rox before it had a product or revenue.
