ElFys
ElFys is a defense tech company in Espoo, Finland, founded in 2017. It has raised $10.1M across 3 rounds, most recently a $6.7M Series B in September 2022.
Capturing every ray of light
- Headquarters
- Espoo
- Employees
- 11–50
- Founded
- 2017
- Business Model
- B2B
- Website
- elfys.fi
- Total Funding
- $10.1M
- Last Round
- $6.7M Series BSep 2022
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 3 investors for this company. The full record is or through the API.
About
ElFys, Inc. is a Finnish semiconductor company that designs, develops, and manufactures high-performance customized photodetectors based on proprietary black silicon induced junction technology. Founded in fall 2017 as a spin-off from Aalto University in Espoo, ElFys commercializes a breakthrough photodiode technology that achieves near-ideal photosensitivity — capturing over 96% external quantum efficiency across a broad spectral range from UV to NIR (200–950 nm), far exceeding conventional silicon photodetectors. The company's products include single photodiodes, 4-quadrant detectors (QPD), and surface-mount devices (SM) for applications in space and defense sensing, wearable health monitoring, analytical instruments, and industrial laser systems. ElFys supplies 100+ companies globally including Thorlabs, and has been selected for the NATO DIANA Accelerator program and the European Defence Fund. The company is headquartered in Espoo, Finland, with a manufacturing facility and a global distributor network spanning North America, Europe, Asia, and the Middle East.
Summary
It lists 11–50 employees. It has raised $10.1M in total across 3 rounds, most recently a $6.7M Series B round in Sep 2022. Investors include Voima Ventures, Samsung Venture Investment Corporation and Metaplanet.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Sep 2022
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Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
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