Tailscale
Tailscale is a cybersecurity company specializing in Network Security, founded in 2019 and headquartered in Toronto, Canada. It has raised $276.37M in equity across 4 priced rounds, employs about 325 people, and is privately held.
updated Sep 12, 2026
Latest Tailscale news and company activity
What Tailscale did, dated — selected moves from the record, one per kind, newest first.
- Aug 2026Feature launchTailscale launches DNS filtering add-on with Control D
- Mar 2026AcquisitionTailscale Acquires Border0 in First M&A Play to Tame AI Agents
- Feb 2026Product launchTailscale Launches Identity-Linked Governance and AI Tools for Agents
14 events tracked since Sep 2025 · selected events shownUnlock the complete Tailscale timeline
Tailscale Momentum score
70/ 100climbing
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Tailscale funding
Tailscale has raised $276.37M in priced equity. Its most recent round was a Series C in April 2025.
- Equity raised
- $276.37M4 priced rounds
- Last round
- Series CApr 2025
Tailscale employees and hiring
Tailscale has about 325 employees, up 2% over the last 30 days, with 46 open roles.
- Employees
- 325
- 30-day change
- +2%
- Open roles
- 46
Tailscale competitors
Security professionals most often compare Tailscale against ZeroTier, Netmaker, and OpenVPN on cybersectools.com. 2 more are in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs46 live postings, role mix
- Tech stackframeworks, clouds, security
