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Tailscale

Tailscale

Private
TorontoCybersecurityhttps://tailscale.com/

Last Round

Series C

Apr 8, 2025

Est. Valuation

$1.5B

Total Funding Raised

$275M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Tailscale is a cybersecurity company that offers a corporate virtual private network (VPN) designed for secure, low-latency connections among teams of any size, featuring quick setup and integration with existing identity providers.

Sector

Cybersecurity

Verticals

Zero Trust, Software-Defined Networking, Cloud Security, Identity & Access, Network Security

Business Model

B2B

Customer Profile

Subscription SaaS, Freemium

AI Layer

Infrastructure

Keywords

mesh VPNzero-trust networkingWireGuardoverlay networkremote accesstailnetvirtual private networkVPNidentity-aware proxyhomelabNAT traversalsecure remote accessAI agent securitysoftware-defined perimeterSDPhybrid cloud connectivitydynamic DNS replacementDDNS

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Tailscale Comparables

Compare Tailscale with similar companies based on industry and business-model similarity.

Tailscale comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Twingate
85%
NetBird
83%
Firezone
79%

Tailscale Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series CApr 8, 2025
Series BMay 4, 2022
Series ANov 10, 2020
SeedApr 2, 2020

Key People

Founding team and executive leadership

Avery Pennarun

Co-founder and CEO

Founding Team

Tailscale Investors

Notable investors and investment history

Tailscale investors
InvestorRounds
Uncork CapitalSeries C, Series A, Series B, Seed
TenOneTen VenturesSeries A
HeavybitSeries C, Series A, Series B, Seed
CRVSeries C, Series B
Insight PartnersSeries C, Series B
AccelSeries B, Series C, Series A
Three Fields CapitalSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 7, 2026

    Added Drawbridge Solutions, an entertainment technology startup, as a customer.

  • Apr 7, 2026

    Added Prudsec, a security/surveillance technology startup, as a customer.

Recent news

Latest coverage and updates

  • has_revenueSep 10, 2026

    Tailscale Inc. had revenue of $45.2M on Jun 1st '25.

  • launchesAug 31, 2026

    Tailscale Inc. launched Tailnet Creation API at Tailscale Up conference on Aug 24th '26.

  • launchesAug 31, 2026

    Tailscale Inc. launched SDKs for Rust, Python, C, C++ and Elixir at Tailscale Up conference on Aug 24th '26.

  • attends_eventAug 31, 2026

    Tailscale attended event Tailscale Up conference on Aug 24th '26.

  • launchesAug 28, 2026

    Tailscale Inc. launches Tailcat.

Tailscale Filings

Explore SEC and related filing metadata, where available.

Tailscale filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Tailscale's valuation, stock price, and market status.

Is Tailscale a public or private company?

Tailscale is a private company.

What is the current stock price of Tailscale?

Tailscale is a private company with no public stock price. No recent secondary market data is available.

How much is Tailscale worth (valuation)?

Tailscale's valuation is estimated at $1.4B based on funding round data.

Can I buy Tailscale stock?

Tailscale 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 Tailscale's last funding round?

Tailscale's most recent funding round was Series C on April 8, 2025.

Who are the main investors in Tailscale?

Key investors in Tailscale include Heavybit, CRV, Insight Partners, Accel.

Will Tailscale IPO soon?

No public IPO plans have been announced for Tailscale.

How can I track Tailscale secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Tailscale's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersToronto
Employee Range263
Year Founded2019
Last FundingApr 8, 2025

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