

Startup · Finland
ElFys
HQ Espoo, FinlandFounded 201711-50 employeesUpdated
Explore ElFys – the leader in photodetector technology.
Funding6 rounds · ~$13.7M
- Equity raised
- ~$13.7M
- Debt, secondaries & grants
- Undisclosed
- Latest
- UndisclosedGrant · Sep 4, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Sep 4, 2025 | Grant | Undisclosed | — | — | — | Reported |
| Sep 15, 2022 | Undisclosed | ~$3.0M | — | Samsung Ventures | Voima Ventures | Confirmed |
| Sep 14, 2022 | Seed | $3.0M | — | Samsung Venture Investment | Voima Ventures | Reported |
| Oct 1, 2021 | Undisclosed | ~$3.5M | — | Metaplanet | Voima Ventures | Reported |
| Nov 6, 2019 | Seed | $775K | — | Voima Ventures | — | Reported |
| 2021 | Undisclosed | ~$3.5M | — | — | Voima Ventures | Speculative |
- GrantUndisclosedSep 4, 2025
- ~$3.0MSep 15, 2022
- $3.0MSep 14, 2022
- ~$3.5MOct 1, 2021
- SeedLed by Voima Ventures$775KNov 6, 2019
- ~$3.5M2021
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems22
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
People3
| Person | Role |
|---|---|
| Mikko A. Juntunen | Founder and CEO |
| Mikko Juntunen | Founder |
| Mikko Juntunen | CEO |
Sources14
Show all 14 sources and supporting evidence
Profile4
- 1
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url
“employee_range: 11-50 (profile: 15)”
- 2
Defence Finance Monitor · Supports Organization · name
“ElFys Oy is a Finnish deep-tech company that has quietly emerged as a pivotal innovator in optical sensor technology. Founded”
- 3
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "Finland", "hq_iso2": "FI", "id": "46bbb834-1a99-4f07-b56c-9429b57cc94e"}”
- 4DatabaseElFys - Owler company profile
Owler · Supports Organization · founded year, Organization · hq city, Organization · linkedin url
“founded_year: 2017”
Systems2
- 5CompanyElFys: Photodiodes
ElFys · Supports Organization · description, Organization · name, Organization · website, System
“Explore ElFys – the leader in photodetector technology. Discover our innovative products, cutting-edge research, and solutions for diverse applications in the field of photonics.”
- 6
ElFys · Supports System
“PD1sM, PD1sH, PD4sM, PD4sH, PD5sM,PD25sM, PD25sH, PD100sM, PD100sH”
Funding7
- 7
Nordic9 · Sep 14, 2022 · Supports Funding round · amount, Organization · ownership
“ElFys to raise €3M in a round led by Samsung Venture Investment Corporation (SVIC), and joined by Voima Ventures.”
- 8
Nordic9 · Nov 6, 2019 · Supports Funding round · amount
“Elfys completed a €700k seed round led by Voima Ventures.”
- 9
Voima Ventures · Supports Funding round · amount
“Today’s announced €3M round is dedicated to ramping up the production to match the growing demand.”
- 10
ElFys · Supports Funding round · amount
“The new €3M round announced today is complementing a round of the same size from last summer, and the money raised is dedicated to ramping up production to match the growing demand from the industry.”
- 11DatabaseElFys - LinkedIn company profile
LinkedIn · Supports Funding round, Organization · employee range, Organization · founded year, Organization · hq city, Organization · hq region, Organization · linkedin url, Role
“funding round: Grant, 2025-09-04, lead: NATO DIANA”
- 12
- 13
Seedtable · Supports Funding round · amount
“ElFys Raises 3.5M USD in Seed Funding”
People1
- 14
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Role
“employee_range: 11-50 (profile: 11-50)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.
