United States · 
Who invested in CZero?
CZero's investors include Google for Startups and Breakthrough Energy.
20232024
$525KPre-seed$5.0MVenture
United States · Venture startup
Who invested in CZero
Funding summaryUpdated 26 Oct 2026
$5.5Mraised across 2 rounds since 2023, from 2 sources
$525KPre-seed$5.0MVenture
- Latest round
- Venture, $5.0MSept 2024
- Step-upi
- 9.5×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Pre-seed, $525K Feb 2023
- Biggest round
- $5.0M Venture · Sept 2024
- Between rounds
- 19 months from the last two
The rounds
- Sept 2024
- Feb 2023
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
Google for StartupsAccelerator1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about CZero
How much has CZero raised?
CZero has raised $5.5M across 2 rounds since 2023.
When did CZero last raise?
CZero's most recent round was a Venture of $5.0M in Sept 2024.
What was CZero's biggest round?
Its most recent round, $5.0M in Sept 2024, is also its largest on record.
Who backed CZero first?
CZero's first round on record, in Feb 2023, was backed by Google for Startups.
What stage is CZero at?
CZero's latest named round is a Venture, in Sept 2024.
Where is CZero based?
CZero is based in the United States.
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