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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesInterior Design & FurnishingLes AcaciasDupin1820, la Pergola SA
Dupin1820, la Pergola SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dupin 1820 is the provision of services in the field of interior architecture and decoration. This includes the planning, design and implementation of interior spaces, including the selection of materials, furniture and accessories. The company also offers consulting and support for the renovation and transformation of rooms. Additionally, Dupin 1820 operates three showrooms in Geneva, where customers can experience and purchase the company's products and services.

AI-generated
Offering

Products & services

Industry:Interior Design & Furnishing
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Dupin1820, la Pergola SA

✓ Offered7
Interior architecture
Renovation, transformation and new construction projects; optimization of interior spaces, coordination of trades involved in the shell and second fix, sketches and 3D visuals.
Interior decoration
Decoration for each room or an entire home; personalized advice, selection of furniture, lighting, objects, rugs, curtains, wall coverings and accessories.
Custom design and layout
Creation of concepts, personalized study, layout plans, mood boards, detail and execution plans, design of kitchens, bathrooms, libraries, dressing rooms and bespoke furniture.
Wall and floor coverings
Creation of materials, wallpapers, paints, wall coverings; flexible flooring, parquet, carpets, tiles and custom floor coverings.
Curtain making
Curtains, sheers, blackout curtains, sliding curtains, pleated, stacked or draped; boat shades and plain, structured or patterned fabrics.
Furniture restoration
Restoration of furniture and woodwork, with work on all materials by cabinetmakers-ebénistes.
Showrooms in Geneva
Three showrooms in Geneva to discover furniture, decoration, coverings, kitchens, dressing rooms, wardrobes, libraries, fabrics and brand collections.
Trust & reputation

ranQ Trust Score of Dupin1820, la Pergola SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Dupin1820, la Pergola SA scores 62.3 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.65.024%
  • 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.49.510%
  • 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.70.08%
Dupin1820, la Pergola SA scores 89.3 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.70.07%
Dupin1820, la Pergola 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%
Dupin1820, la Pergola SA scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dupin1820, la Pergola SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue Eugène-Marziano 22
1227 Les Acacias
Opening hours
Mon
10:00 - 13:00, 14:00 - 18:30
Tue
10:00 - 13:00, 14:00 - 18:30
Wed
10:00 - 13:00, 14:00 - 18:30
Thu
10:00 - 13:00, 14:00 - 18:30
Fri
10:00 - 13:00, 14:00 - 18:30
Sat
10:00 - 18:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.538.238
Founded
1989 · 37 years
Last commercial register change
April 22, 2026
Employees
11 to 20
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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