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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBischofszellMüller Architekturbüro GmbH
Müller Architekturbüro GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Müller Architekturbüro GmbH is an architectural practice that plans and delivers building projects focused on renovation, restoration and refurbishment of existing structures. Services include condition assessments, project development and studies, planning and construction management, client representation and advice on reuse of building components.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Conversion, restoration and refurbishment
Conversion, restoration and refurbishment of historic and existing buildings; support from concept and planning phase through to completion.
Condition analyses and construction consulting
Condition analyses of properties, assessment of the building condition, development of future strategies, clarifications with municipal authorities, preservation of monuments and heritage protection.
Project development and studies
Project development and studies for existing sites; technical, architectural and sustainable further development, densification within the existing fabric, preservation and redesign.
Planning and execution
Planning and execution of construction projects; development of suitable solution strategies, coordination of construction professionals and support through to completion.
Client representation
Client representation as the interface between the client and project stakeholders; project management as well as construction and quality control.
Advisory services for municipalities and institutions
Advice for municipalities and institutions; expert reports and solution approaches for listed buildings and historic properties.
Component reuse and component storage
Collecting, storing and reusing building components from conversion and demolition sites; component storage with reusable elements such as doors, fittings and windows.
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3.9/5

Müller Architekturbüro GmbH

Trust & reputation

ranQ Trust Score of Müller Architekturbüro GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Müller Architekturbüro GmbH scores 65.9 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.78.124%
  • 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.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.50.08%
Müller Architekturbüro GmbH scores 62.4 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.58.012%
  • 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%
Müller Architekturbüro GmbH scores 85.0 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).85.022%
Müller Architekturbüro GmbH 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

Müller Architekturbüro 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 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
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Marktgasse 9
9220 Bischofszell
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-288.531.734
Founded
2022 · 4 years
Last commercial register change
August 12, 2022
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.
76.0
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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