United Kingdom · 
Who invested in 3Square?
3Square's investors include Antler.
United Kingdom · Pre-seed startup
Who invested in 3Square
Funding summaryUpdated 26 Oct 2026
$281Kraised across 1 round since 2025, from 1 source
- Latest round
- Pre-seed, $281KDec 2025
- Investors
- 1
The rounds
- Dec 2025
Founders and team
From 3Square's own website: 2 founders.
Jono CaseleyCo-founder & CEO
Andy LockeyCo-founder & CTO
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about 3Square
How much has 3Square raised?
3Square has raised $281K across 1 round since 2025.
When did 3Square last raise?
3Square's most recent round was a Pre-seed of $281K in Dec 2025.
What was 3Square's biggest round?
Its most recent round, $281K in Dec 2025, is also its largest on record.
Who backed 3Square first?
3Square's first round on record, in Dec 2025, was backed by Antler.
What stage is 3Square at?
3Square's latest named round is a Pre-seed, in Dec 2025.
Where is 3Square based?
3Square is based in the United Kingdom.
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