United States · 
Who invested in Carbon?
Carbon's investors include Sequoia Capital, Innovate UK, Temasek Holdings, Fidelity and NAP, and 1 more on record.
2026
$2.1MSeed$60MVenture
United States · Venture startup
Who invested in Carbon
Funding summaryUpdated 26 Oct 2026
$62Mraised across 2 rounds since 2025, from 4 sources
$2.1MSeed$60MVenture
- Latest round
- Venture, $60MNov 2025
- Step-upi
- 28.6×
- Investors
- 6
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $2.1M Mar 2025
- Biggest round
- $60M Venture · Nov 2025
- Between rounds
- 8 months from the last two
The rounds
- Nov 2025
- Mar 2025
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Carbon
How much has Carbon raised?
Carbon has raised $62M across 2 rounds since 2025.
When did Carbon last raise?
Carbon's most recent round was a Venture of $60M in Nov 2025.
What was Carbon's biggest round?
Its most recent round, $60M in Nov 2025, is also its largest on record.
Who backed Carbon first?
Carbon's first round on record, in Mar 2025, was backed by Innovate UK, NAP and SBI Group.
What stage is Carbon at?
Carbon's latest named round is a Venture, in Nov 2025.
Where is Carbon based?
Carbon is based in the United States.
Companies like Carbon
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.