Watershed is an enterprise sustainability SaaS founded in 2019 in San Francisco. It offers an end-to-end platform for emissions measurement, audit-ready reporting (CSRD, TCFD), and decarbonization via marketplace actions. Backed by $100 M Series C funding in 2024 (valued at $1.8 B) and a ~400-person team, Watershed serves major global companies (Airbnb, Spotify, FedEx, etc.)—collectively managing ~479 Mt CO₂e. It stands out for data rigor, compliance tooling, and carbon project marketplace.