United States · 
Who invested in Sustainment?
Sustainment's investors include Alumni Ventures and Blackhorn Ventures.
United States · Series A startup
Who invested in Sustainment
Funding summaryUpdated 26 Oct 2026
$12Mraised across 1 round since 2022, from 1 source
- Latest round
- Series A, $12MAug 2022
- Investors
- 2
The rounds
- Aug 2022Series A$12M
Source recordedSEC filing: $11M sold, first sale Aug 2022
Founders and team
From Sustainment's own website: 1 founder, 4 on the team.
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 Sustainment 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 Sustainment
How much has Sustainment raised?
Sustainment has raised $12M across 1 round since 2022.
When did Sustainment last raise?
Sustainment's most recent round was a Series A of $12M in Aug 2022.
What was Sustainment's biggest round?
Its most recent round, $12M in Aug 2022, is also its largest on record.
Who backed Sustainment first?
Sustainment's first round on record, in Aug 2022, was backed by Alumni Ventures and Blackhorn Ventures.
What stage is Sustainment at?
Sustainment's latest named round is a Series A, in Aug 2022.
Where is Sustainment based?
Sustainment is based in the United States.
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