Persefoni is a climate management and carbon accounting software platform that lets enterprises and financial institutions measure, report, and reduce their greenhouse gas emissions. The platform covers Scope 1, 2, and 3 emissions and produces assurance-grade disclosures aligned to TCFD, CSRD, California SB 253/261, PCAF, and SASB. Its PersefoniAI layer adds a carbon accounting copilot, anomaly detection over large emissions datasets, and automated emission factor mapping. Founded in 2020 by Kentaro Kawamori, Jason Offerman, and Kim Stroh, the company has raised roughly $179-195M to date.