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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentVilligen25FAB GmbH
25FAB GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

25FAB GmbH develops and manufactures AI-designed multi-material semiconductor solutions for piezoelectric MEMS, photonics, quantum photonics, and compound semiconductors. The company offers AI-assisted device design, wafer fabrication, measured validation, and routes from engineering wafers through pilot runs to recurring volume production.

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Offering

Products & services

Industry:Research & Development
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25FAB GmbH

Technical Consulting & Engineering
General Goods Production
Manufacture of IT Hardware
Wholesale - Machinery & Technical Equipment
✓ Offered11
Foundry and Manufacturing Services
Foundry, development and manufacturing services for piezoelectric MEMS, photonics, III-V and wide-bandgap systems; from specification and engineering samples to MPW, dedicated runs and volume production.
PMUT OEM Module
Piezoelectric PMUT chips and arrays for OEM ultrasound systems; custom acoustic architecture, ASIC integration, engineering wafers, pilot runs and recurring supply.
Piezoelectric MEMS Microphones and Speakers
Custom piezoelectric MEMS microphones, microphone arrays and micro-speakers for aeroacoustics, sensing, wearables and industrial applications.
Piezoelectric MEMS Micromirrors
Piezoelectric MEMS micromirrors for fast optical deflection and scanning; custom beam-steering architectures, engineering samples and pilot production.
PIC Platforms
Integrated photonic circuits and wafer-level manufacturing for scalable optical systems; development, engineering wafers, dedicated runs and volume manufacturing.
PIC Integration with Piezo and BTO Films
PIC integration with PZT, AlN, AlScN and BTO-on-Si for tunable photonics, modulation, beam control and heterogeneous integration.
Quantum Photonics and Beam-Control Modules
Wafer-level building blocks for neutral-atom control, quantum photonics and precision optics; combining MEMS beam steering, metasurfaces and integrated photonics.
Metasurface and Metalens Platforms
Custom flat-optics, metalens and metasurface devices for beam shaping, focusing, sensing and 3D imaging.
SiC Platforms
Rugged semiconductor and MEMS platforms for high-power, harsh-environment and sensing applications based on silicon carbide.
InP Platforms
High-speed photonic and optoelectronic platforms for communication, sensing and integrated light sources based on InP.
InAs/InGaAs Platforms
Advanced III-V material platforms for infrared detection, sensing and integrated optoelectronics.
Trust & reputation

ranQ Trust Score of 25FAB GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of October 2026

25FAB GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
25FAB GmbH scores 40.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.0.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
25FAB GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
25FAB GmbH has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Parkstrasse 1
5234 Villigen

At a glance

Legal form
Limited Liability Company
UID
CHE-468.559.469
Founded
2026 · 0 years
Last commercial register change
January 13, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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