Netherlands · 
Who invested in LangWatch?
LangWatch's investors include Antler, Passion Capital and Volta Ventures.
Netherlands · Pre-seed startup
Who invested in LangWatch
Funding summaryUpdated 26 Oct 2026
$1.1Mraised across 1 round since 2025, from 1 source
- Latest round
- Pre-seed, $1.1MFeb 2025
- Investors
- 3
The rounds
- Feb 2025
Founders and team
From LangWatch's own website: 2 founders.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about LangWatch
How much has LangWatch raised?
LangWatch has raised $1.1M across 1 round since 2025.
When did LangWatch last raise?
LangWatch's most recent round was a Pre-seed of $1.1M in Feb 2025.
What was LangWatch's biggest round?
Its most recent round, $1.1M in Feb 2025, is also its largest on record.
Who backed LangWatch first?
LangWatch's first round on record, in Feb 2025, was backed by Antler, Passion Capital and Volta Ventures.
What stage is LangWatch at?
LangWatch's latest named round is a Pre-seed, in Feb 2025.
Where is LangWatch based?
LangWatch is based in the Netherlands.
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