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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionMartignyDUAY SA
DUAY SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Duay SA consists of the design, manufacture and installation of interior fittings, particularly: custom kitchens, bathrooms, interior design, doors, various woodwork and 3D design. The company also offers a wide range of services for private and public buildings, including the use of various materials and the combination of craftsmanship and modern technology.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered9
Custom interior fit-out
Interior fit-out, joinery and custom fabrication for home living; kitchens, dressing rooms, wall cabinets, furniture and workshop work in Martigny.
Custom kitchen
Custom-made kitchen furniture produced in the workshop; creation and layout of kitchens, with examples of completed projects published on the website.
Custom doors
Landing doors, interior doors, sliding doors, fire doors, pivot doors, block-frame doors, interconnecting doors and entrance doors.
Dressing rooms and wall cabinets
Custom fabrication of dressing rooms and wall cabinets for the home, with tailored layout solutions for interior spaces.
Custom furniture
Custom furniture production: entrance furniture, tables, beds and other furnishing elements made in the workshop.
Window installation
Installation of windows in wood, PVC and wood-aluminium for residential use, included in the company’s services.
Replacement of household appliances
Replacement of household appliances of all brands, including supply, installation and removal of the old units.
Bathroom fit-out
Bathroom fit-out in solid wood, decoration, wood imitation or plain finishes, with completed projects published for each variant.
3D layout drawings
3D drawings for interior fit-out, kitchen, bathroom and various interior projects.
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4.4/5

DUAY SA

Trust & reputation

ranQ Trust Score of DUAY SA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

DUAY SA scores 80.9 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.81.124%
  • 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.74.910%
  • 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.88.08%
DUAY SA scores 92.3 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%
DUAY SA 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%
DUAY SA scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DUAY SA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 18 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 18 reviews across all connected sources

Sources
GGoogle4.818
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue du Levant 141
1920 Martigny
Opening hours
Mon
07:15 - 11:45, 13:00 - 17:30
Tue
07:15 - 11:45, 13:00 - 17:30
Wed
07:15 - 11:45, 13:00 - 17:30
Thu
07:15 - 11:45, 13:00 - 17:30
Fri
07:15 - 11:45, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.310.433
Founded
1995 · 31 years
Last commercial register change
October 2, 2026
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.70.03%
    • Full methodology

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