Plan A

Plan A is a Berlin-based carbon-accounting and sustainability-management platform founded in 2017. Its end-to-end software automates emissions calculation across Scope 1, 2 and 3, helps organisations set science-based net-zero targets, plan decarbonisation against a library of 1,000+ reduction levers and produce audit-proof ESG and CSRD reports. Customers include large European corporates, and pricing is enterprise-quoted rather than published. In 2025 Plan A was acquired by London-listed sustainability software firm Diginex for €55 million but continues to operate from its Berlin headquarters.