January 15, 2026
What 2025 taught startups: key challenges and what they see coming in 2026
Vestbee spoke with founders who raised capital in 2025 across defence, deeptech, AI, and e-commerce infrastructure. While their businesses operate in very different markets, their experiences showed some common patterns: the growing importance of real-world validation, moving away from “clear lab results” and towards the actual needs of the market and the growing pull of defence and dual-use applications.











