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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsTramelanARC Architecture Sàrl
ARC Architecture Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ARC Architecture Sàrl is an architectural practice providing architectural and design services and delivering projects. The firm carries out renovations and new-build projects for residential developments as well as industrial and public buildings.

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Products & services

Industry:Architecture Firms
✓ Offered5
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4.1/5

ARC Architecture Sàrl

Architecture
Architecture for new builds, renovations, conversions and refurbishments; management of all areas related to architecture, with sustainable and contemporary projects.
Interior architecture
Interior architecture for interior fit-outs, interior transformations and spatial design, connected with residential, office and commercial projects.
Design
Design linked to architectural projects, integrating architecture, materials and spatial design in a holistic approach.
Graphic design
Graphic design related to projects and visual communication, integrated into the studio’s field of activity and expertise.
Landscape architecture
Landscape architecture integrated into architectural projects, taking the environment into account and providing an overall vision for outdoor developments.
Trust & reputation

ranQ Trust Score of ARC Architecture Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

ARC Architecture Sàrl scores 64.0 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.70.024%
  • 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.61.010%
  • 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.50.08%
ARC Architecture Sàrl scores 86.7 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%
ARC Architecture Sàrl 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%
ARC Architecture Sàrl scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ARC Architecture Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 10 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
4.5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grand-Rue 62
2720 Tramelan
Opening hours
Mon
09:00 - 12:00, 14:00 - 17:00
Tue
09:00 - 12:00, 14:00 - 17:00
Wed
09:00 - 12:00, 14:00 - 17:00
Thu
09:00 - 12:00, 14:00 - 17:00
Fri
09:00 - 12:00, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.303.554
Founded
2005 · 21 years
Last commercial register change
March 7, 2025
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.
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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