Siro
PrivateLast Round
Series B
May 22, 2025
Total Funding Raised
$68M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Siro is a sales technology company that provides an AI-powered platform for recording, transcribing, and analyzing in-person sales conversations to provide coaching and automate CRM workflows.
Sector
Enterprise Software
Verticals
Sales Enablement, NLP & Conversational AI, Business Intelligence, CRM, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Siro Comparables
Compare Siro with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Revenue.io | 86% | |
| Rilla | 84% | |
| Mediafly | 83% |
Siro Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | May 22, 2025 | ||||
| Seed | Nov 30, 2023 | ||||
| Series A | Oct 25, 2023 | ||||
| Accelerator | May 13, 2021 |
Siro Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| 01 Advisors | Series B |
| StepStone Group | Series B |
| Alchemist Accelerator | Accelerator |
| CRV | Series B, Series A, Seed |
| Index Ventures | Series B, Series A, Seed |
| Grand Central Tech | Accelerator |
| SignalFire | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 16, 2026
Grew 18% QoQ, from 103 to 122 employees.
- Jun 13, 2026
Grew 20% QoQ, from 96 to 115 employees.
Siro Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Siro's valuation, stock price, and market status.
Is Siro a public or private company?
Siro is a private company.
What is the current stock price of Siro?
Siro is a private company with no public stock price. No recent secondary market data is available.
How much is Siro worth (valuation)?
Valuation information for Siro is not publicly available.
Can I buy Siro stock?
Siro shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Siro's last funding round?
Siro's most recent funding round was Series B on May 22, 2025.
Who are the main investors in Siro?
Key investors in Siro include CRV, Index Ventures, SignalFire, Fika Ventures.
Will Siro IPO soon?
No public IPO plans have been announced for Siro.
How can I track Siro secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Siro's secondary market activity and sign up for updates.