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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringChurNay Engineering AG
Nay Engineering AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Nay Engineering AG provides engineering and consulting services, offering electrical planning, advisory and turnkey implementation for projects in transport, energy, building services and digital infrastructures.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered4
Engineering and consulting for transport
End-to-end engineering for transport infrastructure projects, design of systems for the safe operation of public and private transport, safety, operations and electrical systems.
Engineering and consulting for energy
Design of photovoltaic systems, emergency power generators, UPS and DC systems, substations, load management, monitoring as well as energy distribution and supply security.
Building services engineering
Development of solutions for building services engineering, BIM planning, lightning-protection design in accordance with VKF, fire alarm systems in accordance with VKF, as well as PV systems, ZEV and peak shaving of load.
Engineering and consulting for digital infrastructures
Advisory, engineering and specialist coordination for building automation, tunnel automation and process automation, as well as operation, maintenance and expansion of systems.
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4.1/5

Nay Engineering AG

Trust & reputation

ranQ Trust Score of Nay Engineering AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Nay Engineering AG scores 59.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.73.324%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.45.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Nay Engineering AG scores 93.9 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.100.012%
  • 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.82.07%
Nay Engineering AG scores 85.0 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).85.022%
Nay Engineering AG scores 40.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nay Engineering AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 5 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Tittwiesenstrasse 29
7000 Chur

At a glance

Legal form
Corporation
UID
CHE-107.949.667
Founded
1990 · 36 years
Last commercial register change
December 30, 2024
Employees
21 to 50
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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