Luxembourg · Seed startup

Who invested in Passbolt

2 rounds we have observed, with the 10 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

CybersecurityOpen Source

Funding summaryUpdated 5 Nov 2026

$12Mraised across 2 rounds since 2023, from 2 sources

$4.4MSeed$8.0MSeed
Latest round
Seed, $8.0MJan 2025
Led by
Airbridge Equity Partners
Step-upi
1.8×
Investors
10 (1 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20242025
$4.4MSeed$8.0MSeed
First round
Seed, $4.4M
Mar 2023
Biggest round
$8.0M
Seed · Jan 2025
Between rounds
22 months
from the last two

The rounds

  1. Jan 2025
  2. Mar 2023
    Seed$4.4M

    No investor was named in the report.

    Reported by LBAN - Luxembourg Business Angel Network

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Airbridge Equity PartnersVC firm1round, led 1
Scale IIVC firm1round
Dedicated VCVC firm1round
Seeder FundVC firm1round
Xavier BuckAngel1round
Bondi CapitalVC firm1round
Carricha CapitalVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Passbolt

Who invested in Passbolt?

Passbolt's investors include Airbridge Equity Partners, Scale II, Dedicated VC, Seeder Fund and Xavier Buck, and 5 more on record. Airbridge Equity Partners led its latest round.

How much has Passbolt raised?

Passbolt has raised $12M across 2 rounds since 2023.

When did Passbolt last raise?

Passbolt's most recent round was a Seed of $8.0M in Jan 2025, led by Airbridge Equity Partners.

What was Passbolt's biggest round?

Its most recent round, $8.0M in Jan 2025, is also its largest on record.

Who backed Passbolt first?

Passbolt's first round on record, in Jan 2025, was backed by Airbridge Equity Partners, Scale II and Dedicated VC and 7 others.

What stage is Passbolt at?

Passbolt's latest named round is a Seed, in Jan 2025.

Where is Passbolt based?

Passbolt is based in Luxembourg.

Who led Passbolt's rounds?

Airbridge Equity Partners led the Seed in 2025.

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