United States · 
Who invested in SESO?
SESO's investors include SV Angel, Founders Fund, Index Ventures, K5 Global and Bond, and 1 more on record.
United States · Series B startup
Who invested in SESO
One round we have observed, with the 6 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$26Mraised across 1 round since 2024, from 1 source
- Latest round
- Series B, $26MApr 2024
- Investors
- 6
The rounds
- Apr 2024
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 SESO 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 SESO
How much has SESO raised?
SESO has raised $26M across 1 round since 2024.
When did SESO last raise?
SESO's most recent round was a Series B of $26M in Apr 2024.
What was SESO's biggest round?
Its most recent round, $26M in Apr 2024, is also its largest on record.
Who backed SESO first?
SESO's first round on record, in Apr 2024, was backed by SV Angel, Founders Fund and Index Ventures and 3 others.
What stage is SESO at?
SESO's latest named round is a Series B, in Apr 2024.
Where is SESO based?
SESO is based in the United States.
Companies like SESO
In the same sector, and raised in the last eighteen months.
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