United States · 
Who invested in Mainframe?
Mainframe's investors include Lachy Groom, Peter Boyce (Stellation), Scott Belsky, Weekend Fund and Kothari, Akshay, and 1 more on record. Lachy Groom led its latest round.
United States · Seed startup
Who invested in Mainframe
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.
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Funding summaryUpdated 5 Nov 2026
$5.5Mraised across 1 round since 2024, from 2 sources
- Latest round
- Seed, $5.5MDec 2024
- Led by
- Lachy Groom and Peter Boyce (Stellation)
- Investors
- 6 (2 led)
The rounds
- Dec 2024Seed$5.5M
Reported by AlleyWatch and 1 other
Everyone who backed them
Lachy GroomAngel1round, led 1
Peter Boyce (Stellation)VC firm1round, led 1
Scott BelskyAngel1round
Kothari, AkshayVC firm1round
StellationVC firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Mainframe 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 Mainframe
How much has Mainframe raised?
Mainframe has raised $5.5M across 1 round since 2024.
When did Mainframe last raise?
Mainframe's most recent round was a Seed of $5.5M in Dec 2024, led by Lachy Groom.
What was Mainframe's biggest round?
Its most recent round, $5.5M in Dec 2024, is also its largest on record.
Who backed Mainframe first?
Mainframe's first round on record, in Dec 2024, was backed by Lachy Groom, Peter Boyce (Stellation) and Scott Belsky and 3 others.
What stage is Mainframe at?
Mainframe's latest named round is a Seed, in Dec 2024.
Where is Mainframe based?
Mainframe is based in the United States.
Who led Mainframe's rounds?
Lachy Groom led the Seed in 2024.
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