Walerud Ventures, established in 2002 and based in Stockholm, Sweden, is a family office that invests in early-stage, deep-tech companies with a positive environmental impact. The firm actively engages with startups as investors, advisors, and part-time employees, focusing on sectors such as artificial intelligence, 3D technologies, solar cells, fintech, telecom, and biotech.

Notable investments include Klarna, a leading fintech company, and Graphmatech, a firm specializing in graphene-based materials. Walerud Ventures emphasizes hands-on involvement, dedicating 1-3 days per week to support portfolio companies.