Persefoni
The sustainability management platform built to help businesses and financial institutions transform complex data into confident, audit-ready disclosu
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Sweep Climate
We see carbon not as a limitation, but as a creative force for innovation and positive growth. We believe we can help any businesses become a Forever
Would you like to browse our site in French? Sweep was founded in 2020 to help organizations transform non-financial data into strategic insight, meet disclosure demands, mitigate climate and regulatory risk, and drive long-term business resilience. Headquartered in Paris and London, with a global presence, we build software that is trusted by the world’s leading companies and financial institutions. In 2025 we opened our first office in the United States. Our team in Denver, Colorado will lead our US expansion efforts as we accelerate our client growth in the American market. From tracking carbon data across value chains, to easily complying with the latest disclosure rules, we’re here at every step. Cofounded by Rachel Delacour, Yannick Chaze and Raphael Gueller, Sweep is B Corp certified and a member of the World Bank’s Carbon Pricing Leadership Coalition, France Invest, and The International Emissions Trading Association. We share decades of experience building business software, and working with large companies to achieve value from their ESG data management. We’re supported by some of the most climate-conscious and impact-oriented investors in the world. Choosing to be an Entreprise à Mission means we’re legally required to act on our mission. We have an external committee which advises us, acting as a scout, a stimulus, and sometimes a safeguard. B Corp businesses hold the highest standards of verified social and environmental performance, transparency, and accountability to balance profit and purpose. We’re proud to be part of a forward-thinking business community – it’s an extra check to make sure we operate in a way that best benefits our team, our network, and the planet. Leading sustainability figures from around the world
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Sweep Climate
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Sweep Climate
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Sweep Climate
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Sweep Climate
