Tailscale is a zero-trust network access (ZTNA) platform, headquartered in Toronto, Canada, founded in 2019.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-04-07 | Series C | $160M | Accel, Anthony Casalena, CRV, George Kurtz, Heavybit, Insight Partners, Uncork Capital |
| 2022-05-02 | Series B | $99M | CRV, Insight Partners |
| 2020-11-10 | Series A | $29M | |
| 2020-04-05 | Seed | $3M | Heavybit, Inovia Capital, Uncork Capital, Stephanie Schatz |
| Date | Company | Amount |
|---|---|---|
| 2026-03-17 | Border0 | Undisclosed |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.