United Kingdom · 
Who invested in Calibre?
Calibre's investors include I2BF Global Ventures and 9Yards Capital.
United Kingdom · Pre-seed startup
Who invested in Calibre
Funding summaryUpdated 26 Oct 2026
$3.3Mraised across 1 round since 2026, from 1 source
- Latest round
- Pre-seed, $3.3MMay 2026
- Investors
- 2
The rounds
- May 2026
Founders and team
From Calibre's own website: 2 founders, 1 on the team.
Gautham SenthilnathanCEO & Co-Founder
Steve ThomasCTO & Co-Founder
- Dimitar YotovHead of Compliance
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Calibre
How much has Calibre raised?
Calibre has raised $3.3M across 1 round since 2026.
When did Calibre last raise?
Calibre's most recent round was a Pre-seed of $3.3M in May 2026.
What was Calibre's biggest round?
Its most recent round, $3.3M in May 2026, is also its largest on record.
Who backed Calibre first?
Calibre's first round on record, in May 2026, was backed by I2BF Global Ventures and 9Yards Capital.
What stage is Calibre at?
Calibre's latest named round is a Pre-seed, in May 2026.
Where is Calibre based?
Calibre is based in the United Kingdom.
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