# Tailscale funding: rounds and investors

> Tailscale has raised $161M across 1 round since 2025. Investors include Gaingels, Insight Partners and CRV. Every round with its source.

Source: https://millionrounds.com/company/tailscale (Millionrounds; every figure on the page links to its filing or article)

Canada · [Series C startup](https://millionrounds.com/companies)

# Who invested in *Tailscale*

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Valuation: $1.4B, Mar 2026

Funding summary Updated 26 Oct 2026

**$161M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series C, $161M Apr 2025
- **Investors:** 5

See who backed them

## The rounds

- **Apr 2025** Series C **$161M** [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [CRV](https://millionrounds.com/fund/crv) [Inovia Capital](https://millionrounds.com/fund/inovia-capital) [Uncork Capital](https://millionrounds.com/fund/uncork-capital) Source recorded

## Founders and team

From Tailscale's own website: 2 founders, 3 on the team.

**Abel Mathew** CTO at Sauce Labs and founder of Backtrace.io

**Joe Beda** CTO at Sauce Labs and founder of Backtrace.io

- **Avery Pennarun** CEO
- **David Carney** Chief Strategy Officer
- **Rebecca Liu-Doyle** Director at Insight Partners

Advisers *Jason Donenfeld*

## Everyone who backed them

[Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round

[Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round

[CRV](https://millionrounds.com/fund/crv) VC firm **1** round

[Inovia Capital](https://millionrounds.com/fund/inovia-capital) VC firm **1** round

[Uncork Capital](https://millionrounds.com/fund/uncork-capital) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=tailscale).

## Also claim to have backed them

These 7 firms list Tailscale as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Flex Capital](https://millionrounds.com/fund/flex-capital) VC firm Per its own site

[Avenir](https://millionrounds.com/fund/avenir) VC firm Per its own site

[Jesse Robbins](https://millionrounds.com/fund/jesse-robbins) VC firm Per its own site

[Cyber Mentor Fund](https://millionrounds.com/fund/cyber-mentor-fund) VC firm Per its own site

[Sparkwave Capital](https://millionrounds.com/fund/sparkwave-capital) Growth equity Per its own site

[PWV](https://millionrounds.com/fund/pwv) VC firm Per its own site

[Zag Capital](https://millionrounds.com/fund/zag-capital) Private equity Per its own site

## Quick answers about Tailscale

### Who invested in Tailscale?

Tailscale's investors include Gaingels, Insight Partners, CRV, Inovia Capital and Uncork Capital.

### How much has Tailscale raised?

Tailscale has raised $161M across 1 round since 2025.

### When did Tailscale last raise?

Tailscale's most recent round was a Series C of $161M in Apr 2025.

### What was Tailscale's biggest round?

Its most recent round, $161M in Apr 2025, is also its largest on record.

### Who backed Tailscale first?

Tailscale's first round on record, in Apr 2025, was backed by Gaingels, Insight Partners and CRV and 2 others.

### What stage is Tailscale at?

Tailscale's latest named round is a Series C, in Apr 2025.

### Where is Tailscale based?

Tailscale is based in Canada.

## Companies like Tailscale

In the same sector, and raised in the last eighteen months.

[**Micrologic** $32M · Sept 2026](https://millionrounds.com/company/micrologic)[**Palitronica Inc.** Sept 2026](https://millionrounds.com/company/palitronica-inc)[**Cybeats Technologies** $2.3M · Jul 2026](https://millionrounds.com/company/cybeats-technologies)[**Boostsecurity.io** $4.0M · May 2026](https://millionrounds.com/company/boostsecurity-io)[**Plurilock** $2.1M · Apr 2026](https://millionrounds.com/company/plurilock)[**Feroot Security** $14M · Nov 2025](https://millionrounds.com/company/feroot-security)

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