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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectBrigATELIER SUMMERMATTER RITZ GmbH
ATELIER SUMMERMATTER RITZ GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ATELIER SUMMERMATTER RITZ GmbH is an architecture practice that plans and delivers architectural projects. Its work includes new buildings, conversions and renovations, as well as competitions, feasibility studies and development planning.

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Service area

Offering

Products & services

Industry:Architect
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3.9/5

ATELIER SUMMERMATTER RITZ GmbH

✓ Offered3
Architectural services
New builds, conversions, renovations and extensions of residential, school, cultural, administrative and infrastructure buildings; project competitions, study mandates and direct assignments.
Settlement and district development
Master plans, development planning and implementation strategies for village centres, districts and settlements; infill development, development patterns and village development.
Feasibility studies and project studies
Feasibility studies, study mandates and competition entries for construction and development projects, often in collaboration with landscape architects and engineers.
Trust & reputation

ranQ Trust Score of ATELIER SUMMERMATTER RITZ GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

ATELIER SUMMERMATTER RITZ GmbH scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
ATELIER SUMMERMATTER RITZ GmbH scores 85.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.89.612%
  • 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%
ATELIER SUMMERMATTER RITZ GmbH scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).86.722%
ATELIER SUMMERMATTER RITZ GmbH scores 34.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ATELIER SUMMERMATTER RITZ GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Furkastrasse 7
3900 Brig

At a glance

Legal form
Limited Liability Company
UID
CHE-481.657.677
Founded
2015 · 11 years
Last commercial register change
January 26, 2015
Employees
21 to 50

Active in 1 of 26 cantons

  • VSValais
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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