United Kingdom · 
Who invested in StackOne?
StackOne's investors include Sequoia Capital, Episode 1, Portfolio Ventures and XTX Ventures.
United Kingdom · Series A startup
Who invested in StackOne
Funding summaryUpdated 26 Oct 2026
$20Mraised across 1 round since 2025, from 1 source
- Latest round
- Series A, $20MMay 2025
- Investors
- 4
The rounds
- May 2025
Founders and team
From StackOne's own website: 2 founders.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list StackOne 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.
Quick answers about StackOne
How much has StackOne raised?
StackOne has raised $20M across 1 round since 2025.
When did StackOne last raise?
StackOne's most recent round was a Series A of $20M in May 2025.
What was StackOne's biggest round?
Its most recent round, $20M in May 2025, is also its largest on record.
Who backed StackOne first?
StackOne's first round on record, in May 2025, was backed by Sequoia Capital, Episode 1 and Portfolio Ventures and 1 others.
What stage is StackOne at?
StackOne's latest named round is a Series A, in May 2025.
Where is StackOne based?
StackOne is based in the United Kingdom.
Companies like StackOne
In the same sector, and raised in the last eighteen months.
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