Rillet's website preview

Well Run profileThe Well Run 100 · #35 of 720

Position 35

Rillet

AI-native ERP and general ledger that automates accounting close

Pace
3:30/kmSprint5.5
Distance
Distance Half.
Open ops roles
4
Last week
#29
Move
▼ 6
Peak
#29
Weeks in the 100
2
The Chart →
Rank and score over time
Board rank
#19#31#43#29Oct 18#33Oct 25
Pace score
02465.5Oct 185.5Oct 25

One point per Sunday re-rank, tracking since Oct 18. The lines fill in week by week.

Sprint 3:30/kmRillet
Race 4:05/kmCampfire
Tempo 4:40/kmNumericDualEntry
Steady 5:20/km
Warm-up 6:00/km
Cool-down 6:30/km
Rillet runs in the Sprint lane. Rivals on Well Run sit in their own pace lanes; further right = more momentum. Tap one to open its page.Also competes with: NetSuite, Sage Intacct
Total raised
$200M+see rounds ↓
Founded
2021
HQ
New York, NY / San Francisco, CA

Leadership

The problem

Finance teams spend weeks on manual month-end close in legacy ERPs

What they do

AI-native ERP and general ledger that automates accounting close

Traction 600+ customers; new ARR doubled in 3 months

Hiring trend

Open roles
40
Ops roles
4
Headcount
~80

Headcount 15 → ~80 in about a year

Hiring in

  • San Francisco
  • New York
  • London
  • Remote

Funding

Last round
$100M
Stage
Series C
Date
Aug 2026

Led by ICONIQ

Distance

Half · edge: hard to leave

Once a company's books run in Rillet, switching is painful; it raised a $100M Series C.

Sources: Rillet: $100M Series C ↗

Last checked Oct 25, 2026

News timeline

  1. Aug 2026Raises $100M Series C at $1B led by ICONIQ; 600+ customers, new ARR doubled in 3 months rutlandherald.com ↗
  2. Aug 2026CEO says unicorn round came together in 48 hours without a formal raise techcrunch.com ↗
  3. Aug 2025Raises $70M Series B led by ICONIQ and a16z; 200+ customers globenewswire.com ↗
  4. May 2025Raises $25M Series A led by Sequoia prnewswire.com ↗

Funding historyTotal raised $200M+

  1. Aug 2026Series C$100Mat $1BLed by ICONIQ businesswire.com ↗
  2. Aug 2025Series B$70MLed by ICONIQ & Andreessen Horowitz globenewswire.com ↗
  3. May 2025Series A$25MLed by Sequoia Capital prnewswire.com ↗
  4. Jul 2024Pre-seed + Seed$13.5MLed by First Round Capital finance.yahoo.com ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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