

Startup · Switzerland
K2 Photonics
HQ Zürich, SwitzerlandFounded 20231-10 employeesUpdated
K2 Photonics develops next-generation ultrafast lasers for precision sensing.
Funding4 rounds · ~$261K
- Equity raised
- ~$261K
- Debt, secondaries & grants
- Undisclosed
- Latest
- UndisclosedGrant · Jan 26, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jan 26, 2026 | Grant | Undisclosed | — | — | — | Reported |
| Jan 26, 2026 | Pre-Seed | ~$234K | — | Founderful | — | Reported |
| Nov 24, 2025 | Seed | Undisclosed | — | — | — | Reported |
| Apr 3, 2024 | Pre-Seed | ~$27K | — | Founderful Campus | — | Reported |
- GrantUndisclosedJan 26, 2026
- Pre-SeedLed by Founderful~$234KJan 26, 2026
- SeedUndisclosedNov 24, 2025
- Pre-SeedLed by Founderful Campus~$27KApr 3, 2024
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.
Systems2
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
People4
| Person | Role |
|---|---|
| Benjamin Willenberg | Co-Founder and CTO |
| Justinas Pupeikis · LinkedIn ↗ | Co-Founder and CEO |
| Lukas Lang · LinkedIn ↗ | Co-Founder and Head of Hardware |
| Ursula Keller · LinkedIn ↗ | Co-Founder and Scientific Advisor |
Sources7
Profile2
- 1
K2 Photonics · Supports Organization · description, Organization · name, Organization · website
“K2 Photonics develops next-generation ultrafast lasers for precision sensing. Unlock the power of optical frequency combs.”
- 2
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "57e80f88-c43d-484d-b00e-7f974fb68b2a", "name": "K2 Photonics"}”
Systems2
- 3
- 4
K2 Photonics · Supports System
“# K2-ASOPS ## Ideal tool for pump-probe measurements (ASOPS). Low-repetition rate single-cavity dual-comb laser”
Funding3
- 5
PitchBook · Supports Funding round, Funding round · amount, Organization · country, Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url
“26-Jan-2026”
- 6
Crunchbase · Supports Funding round, Organization · country, Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · ownership, Role
“Pre-Seed”
- 7DatabaseK2 Photonics company profile
Octen Business Search · Supports Funding round, Role
“funding round: Seed Round, 2025-11-24, lead: Paeonia Industries”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.
