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The top Deep Tech startups to join in Stockholm

Article · Scaling Europe · 8 Sept 2026

The top Deep Tech startups to join in Stockholm

Stockholm is a powerhouse for deep tech in health, climate and electrification, with a track record of building hard-tech champions. Here are the top deep-tech startups to join in the Swedish capital

1. Neko Health: $260M then $700M raised; full-body preventive-health scanning, co-founded by Spotify's Daniel Ek.

2. Stegra: €1.4bn raised; green hydrogen-based steel at gigafactory scale.

3. Aira: €243M Series B; subscription heat pumps and home clean-energy systems.

4. Einride: ~$750M raised; electric and autonomous freight.

5. Qvantum: €108M; mass-manufactured heat pumps for European buildings.

6. Polarium: ~$274M raised; energy-storage battery systems for telecom and grids.

7. CorPower Ocean: ~$150M raised; high-efficiency wave-energy converters.

8. Candela: electric hydrofoiling boats and ferries.

9. Cemvision: €10M; low-carbon cement to cut one of industry's biggest emissions sources.

10. Elypta: a liquid-biopsy platform for early cancer detection.

11. Volta Greentech: a methane-reducing feed additive for cattle.

12. Flower: €45M Series A, ~$100M total; battery storage and software for a flexible power grid.

13. Enerpoly: zinc-ion battery cells for safe, low-cost energy storage.

14. Blixt Tech: solid-state circuit breakers for the smart, DC-ready grid.

15. Furhat Robotics: ~$25M raised; social robots with conversational AI.

Originally published on Substack.