kolum GmbH

Kolum is a Berlin-based B2B climate tech startup founded by Helge Wieggrefe and Marius Sprenger to help companies manage EU carbon pricing regulations, especially the Carbon Border Adjustment Mechanism (CBAM). It builds software solutions that streamline emissions data collection, reporting, and compliance for importers and exporters facing complex trade-related climate rules. Backed by venture capital and business angels, Kolum aims to save firms time and cost while broadening transparency around emissions and sustainability in international supply chains.