Emissions accounting for commodity and industrial supply chains.
Disclosed investors: Union Square Ventures, Voyager Ventures
For sustainability teams · 3 sources

Carbon accounting software for apparel and footwear brands.
A public listing does not imply membership or availability for introductions.
Customers
sustainability teams
Business model
enterprise
Funding
Venture-backed
Revenue: Not disclosed in the reviewed sources.
Brands and suppliers
300+
brands and suppliers · Snapshot; reporting period not specified
Observed 2026-09-24 · public disclosure
Disclosed cumulative funding
$17,000,000
funding, not revenue · Cumulative funding disclosed on company page
Observed 2026-09-24 · public disclosure
Brands onboarded
150+
brands · Apparel and footwear brands at announcement
2024-04-30 · public disclosure
Amounts describe the announced round, not each investor’s contribution. Individual check sizes are not disclosed here. Historical rounds are not a current ownership list.
2024-04-30 · public disclosure
Series A
$15,000,000 · announced amount
Disclosed participants: Alven, Headline, Y Combinator
Carbonfact — public disclosure ↗Documented actions and reported outcomes. These are starting points for experiments, not proof that a tactic caused growth.
No sourced growth example added yet. Founder contributions can help fill this in.
Profile reviewed 2026-09-25. Disclosures are historical snapshots unless a live connection is explicitly identified.
Checked 2026-09-24
Checked 2026-09-24
Checked 2026-09-24
Checked 2026-09-25
Emissions accounting for commodity and industrial supply chains.
Disclosed investors: Union Square Ventures, Voyager Ventures
For sustainability teams · 3 sources
Infrastructure for sourcing and managing carbon credits.
Disclosed investors: Energize Ventures, Coatue +11
For sustainability teams · 3 sources
Carbon accounting and climate disclosure software.
Teams using Persefoni
10,000+
Company homepage snapshot; free and paid adoption not separated
Observed 2026-09-24 · Source ↗For sustainability teams · 3 sources