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 384 people, and is privately held.
#2Network Security Pacesetter· Q3 2026updated Oct 18, 2026
Latest Tailscale news and company activity
What Tailscale did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026RecognitionTailscale ranked No. 21 on Deloitte's Technology Fast 50 list of Canada's fastest-growing tech firms
- Oct 2026Feature launchIntroducing MagicRoute: Smarter subnet router selection for Tailscale
- Sep 2026Exec changeChristian Fatoohi, VP of Finance, departs
- Mar 2026AcquisitionTailscale Acquires Border0 in First M&A Play to Tame AI Agents
Tailscale Momentum score
78/ 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. It has 4 funding rounds on record: Seed, Series A, Series B, and Series C. 9 investors are on record, including Accel and Anthony Casalena.
- Equity raised
- $276.37M4 priced rounds
- Last round
- Series CApr 2025
Tailscale employees and hiring
As of September 2026, Tailscale has about 384 employees, up 5% over the last 30 days, with 49 open roles.
- Employees
- 384
- 30-day change
- +5%
- Open roles
- 49
Tailscale competitors
Competitors of Tailscale include ZeroTier, Netmaker, and NetBird. 2 more are in the platform, with overlap scoring.
ranked by CybersecTools comparison demand, 90 days
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Tailscale CISO Positioning Score
How Tailscale reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
