Key facts
- Siro’s last known valuation is $270.0M (May 2025).
- It has raised $69.1M; the latest was Later Stage VC ($50.0M) in May 2025.
- Notable investors include Soma Capital, Index Ventures, Alchemist Accelerator, CRV, SignalFire — 19 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 19 names
- ·Watchlist + deal alerts for Siro
- ·The full record, as it builds
Funding rounds
No funding rounds for Siro are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Siro
Developer of an artificial intelligence-powered tool designed to record and analyze in-person sales conversations. The company's platform captures and transcribes sales meetings, analyzes and bookmarks key points, enabling sales managers to review conversations, provide coaching, track processes, and identify performance patterns.
- Sector
- Information Technology
- HQ
- New York, NY, United States
- Founded
- 2020
- Employees
- 47
- Website
- siro.ai/
- Ownership
- Privately Held (backing)
Siro doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Siro shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Siro in its N-PORT filings yet. We sweep new filings monthly.