Sumday

Sumday is a carbon accounting software platform founded in 2023 and based in Tasmania, Australia. The company provides businesses with tools to measure, track, report, and reduce carbon emissions, ensuring a level of rigor and transparency akin to financial accounting. Sumday aims to empower companies to establish reliable emissions baselines, conduct monthly bookkeeping, and generate audit-ready reports, catering to businesses of all sizes, including enterprises, banks, and investors.

The platform features tools for data collection from suppliers, department-level tracking, and detailed reporting, all designed to support sustainability efforts. Sumday also offers free training and software access to supply chains, enhancing data quality and minimizing greenwashing risks. With a focus on compliance-driven reporting, Sumday positions itself as a valuable resource for sustainability teams and financial stakeholders, helping them prepare for regulatory requirements and improve their carbon management practices.