Rillet raises $100M Series C at $1B valuation — 2 years after emerging from stealth
$1B. Rillet hit unicorn status in just 2 years — on the back of doubling ARR in 90 days.

Why it matters
An AI-native fintech startup has reached unicorn valuation faster than most, signaling strong market pull for AI-applied accounting automation. The 3x ARR acceleration in a quarter suggests either rapid customer adoption or a turning point in enterprise AI spending on back-office workflows.
The key facts
11 to knowRillet raises $100M Series C
Valuation: $1B (unicorn status)
Timeline: 2 years from stealth to $1B
ARR doubled in past 3 months
Lead investor: ICONIQ Capital
Category: AI-native accounting/account automation
$100M Series C funding round
$1B valuation (unicorn status)
2 years from stealth to unicorn
Led by ICONIQ
AI-native accounting/finance software category
Go to the source
TechCrunch Startupstechcrunch.com
Publisher excerpt: AI-native account startup Rillet became a unicorn, led by ICONIQ after it doubled its ARR in the past three months, it said.