Watershed is a company operating in the software industry, focusing on business intelligence and sustainability solutions. Founded in 2019 and based in the United States, Watershed provides an enterprise sustainability platform that emphasizes the use of environmentally extended input-output (EEIO) models for carbon accounting. The company's published guidance highlights the importance of these models in calculating greenhouse gas (GHG) emissions, noting that they are crucial for organizations aiming to assess their environmental impact accurately. The document discusses updates to widely used EEIO models, such as CEDA and US EEIO, and offers practical recommendations for companies on incorporating these updates into their carbon accounting practices. It also addresses the lack of standardization in the publication of database updates and suggests ways to report progress against science-based targets. With a workforce of 51 to 200 employees and reported revenue of approximately $42 million, Watershed operates across various sectors, including healthcare, media, and government, reflecting its diverse expertise in software solutions for sustainability and business intelligence.