The problem
Big companies need AI agents that resolve customer issues safely, on-brand, at scale
What they do
AI customer-service and revenue agents for large consumer brands
Traction ARR $100M (Nov 2025) → ~$200M (May 2026); 40% of Fortune 50
Hiring trend
- Open roles
- 210
- Ops roles
- 4
- Headcount
- ~600 (est.)
Headcount +181% YoY (~500–1,100, sources differ)
Hiring in
- San Francisco
- New York
- London
- Remote (US)
- Remote (Canada)
Glassdoor
4.4 ★ 15 reviews ↗Funding
- Last round
- $950M
- Stage
- Series E
- Date
- May 2026
Led by Tiger Global and GV (co-led)
- Hiring+2210 open roles on the live job board (30+ roles = +2)
- Funding recency+2Series E · $950M, May 2026 (5 months ago): 6 months or less = +1.5, $100M+ round +0.5
- Traction+1.5Strong growth: ARR $100M (Nov 2025) → ~$200M (May 2026); 40% of Fortune 50
- Red flags0None found in the last 24 months
- Total5.52 + 2 + 1.5 − 0 = 5.5 → Sprint (4.75 or more)
Distance (Half) is a separate read on how long the lead can last. It doesn't change the score.
Distance
Half · edge: hard to leave
A leader in AI customer service (~$200M ARR, 40% of Fortune 50), but Salesforce chases the same buyers.
Sources: Sierra: $100M ARR in 7 quarters ↗ · Startup Fortune: Sierra vs incumbents ↗
Last checked Oct 25, 2026