United Kingdom · 
Who invested in Tessl?
Tessl's investors include Index Ventures, Accel, Google Ventures and Boldstart Ventures. Index Ventures led its latest round.
2025
$125MSeries A$125MRound
United Kingdom · Series A startup
Who invested in Tessl
2 rounds we have observed, with the 4 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.
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Funding summaryUpdated 5 Nov 2026
$250Mraised across 2 rounds since 2024, from 3 sources
$125MSeries A$125MRound
- Latest round
- Round, $125MJan 2025
- Led by
- Index Ventures
- Investors
- 4 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $125M Nov 2024
- Biggest round
- $125M Round · Jan 2025
- Between rounds
- 2 months from the last two
The rounds
- Jan 2025Round$125M3 returning
Reported by Silicon CanalsSEC filing: $99M sold, first sale Nov 2024
- Nov 2024Series A$125M4 new
Also list them on their own siteDarkmode Ventures
Reported by TechCrunch and 1 otherSEC filing: $99M sold, first sale Nov 2024
Founders and team
From Tessl's own website: 1 founder, 4 on the team.
Guy PodjarnyFounder & CEO at Tessl
- Dru KnoxHead of Product at Tessl
- Maurilio ComettoHead of Engineering at Tessl
- Simon MapleHead of DevRel
- Stephanie DominyGeneral Counsel and Head of Operations at Tessl
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
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Tessl as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Tessl
How much has Tessl raised?
Tessl has raised $250M across 2 rounds since 2024.
When did Tessl last raise?
Tessl's most recent round, $125M, was in Jan 2025, led by Index Ventures.
What was Tessl's biggest round?
Its most recent round, $125M in Jan 2025, is also its largest on record.
Who backed Tessl first?
Tessl's first round on record, in Nov 2024, was backed by Index Ventures, Accel and Google Ventures and 1 others.
What stage is Tessl at?
Tessl's latest named round is a Series A, in Nov 2024.
Where is Tessl based?
Tessl is based in the United Kingdom.
Who led Tessl's rounds?
Index Ventures led the Series A in 2024.
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In the same sector, and raised in the last eighteen months.
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