United States · 
Who invested in Mark OS?
Mark OS's investors include Plug and Play, Bessemer Venture Partners, Ascend and Ludlow Ventures.
United States · Pre-seed startup
Who invested in Mark OS
Funding summaryUpdated 26 Oct 2026
$4.1Mraised across 1 round since 2024, from 1 source
- Latest round
- Pre-seed, $4.1MJul 2024
- Investors
- 4
The rounds
- Jul 2024
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Mark OS
How much has Mark OS raised?
Mark OS has raised $4.1M across 1 round since 2024.
When did Mark OS last raise?
Mark OS's most recent round was a Pre-seed of $4.1M in Jul 2024.
What was Mark OS's biggest round?
Its most recent round, $4.1M in Jul 2024, is also its largest on record.
Who backed Mark OS first?
Mark OS's first round on record, in Jul 2024, was backed by Plug and Play, Bessemer Venture Partners and Ascend and 1 others.
What stage is Mark OS at?
Mark OS's latest named round is a Pre-seed, in Jul 2024.
Where is Mark OS based?
Mark OS is based in the United States.
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