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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsAttiswilJörg Ryf Müller
Jörg Ryf Müller Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Jörg Ryf Müller Architektur und Baumanagement is the provision of architecture and construction management services, particularly in the areas of: new buildings, renovations, expansions and refurbishments, extensions, additions, commercial buildings, and interior design. The company offers architectural and construction services with a focus on quality, economy, and ecology.

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Products & services

Industry:Architecture FirmsConstruction & Project Management
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Jörg Ryf Müller

✓ Offered7
Architecture and Building Management
Architectural and structural planning as well as building management for people, economics and ecology; the focus is on new builds, alterations, extensions, renovations and commercial buildings.
New Builds
Planning of new builds, in particular residential houses; execution in masonry construction, timber frame construction or combinations of both building methods.
Alterations, Extensions & Renovations
Alterations to existing buildings, extensions and renovations; solutions for buildings worth preserving and worth protecting, as well as clarification and obtaining grants.
Annexes
Expansion of existing living space through annexes in the outdoor area, such as covered seating areas or carports.
Additional Storeys
Raising existing buildings, provided building regulations allow it, so that the surrounding area is not reduced by additional annexes.
Commercial Buildings
Planning of commercial buildings with solutions tailored to companies' needs, functions and capabilities.
Interior Fit-Outs
Tailored interior fit-outs with versatile design options; geared towards well-being, relaxation, health and life.
Trust & reputation

ranQ Trust Score of Jörg Ryf Müller

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Jörg Ryf Müller has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Jörg Ryf Müller scores 78.5 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.55.07%
Jörg Ryf Müller 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%
Jörg Ryf Müller scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Solothurnstrasse 54 B
4536 Attiswil

At a glance

Legal form
Sole proprietorship
UID
CHE-113.875.215
Founded
2007 · 19 years
Last commercial register change
October 24, 2007
Employees
1 to 10
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.
67.0
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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