Furo, a German startup developing software for industrial battery storage systems, has raised $4 million in funding led by US-based TQ Ventures, with participation from Neo and Sandberg Bernthal Venture Partners. The company's three 28-year-old founders left Silicon Valley to return to Germany, believing the move has accelerated their growth. Co-founder Lena Sophia Voß said being close to customers and their network in Germany proved crucial for early-stage success. The startup has already secured enterprise clients including Deutsche Bahn, just one year after founding. Despite being a Delaware C Corp with mostly US investors, Furo operates from Munich. The founders cite advantages including lower engineering salaries, access to talent through technical universities, and proximity to Europe's energy market, where electricity cost reduction is particularly pressing.