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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionMelchnauMüller Martin & Partner GmbH
Müller Martin & Partner GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Müller Martin & Partner GmbH provides construction consulting, site supervision and project realization, and carries out energy-efficient and conservation-focused renovations, including floor screeds, rendered external thermal insulation systems and façade fire-protection planning.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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3.9/5

Müller Martin & Partner GmbH

✓ Offered7
Construction consulting
Construction consulting for conversions, energy-efficient renovations, heritage-preserving renovations and fire-safe façade renovations; support with expertise and neutrality.
Construction management
Construction management for building projects with organisation, control and implementation; targeted leadership of the construction site and support in the execution of construction projects.
Project execution
Project execution for construction projects; support from consulting through to execution, including for self-work with the necessary support.
Energy-efficient renovations
Energy-efficient renovations to remedy damage and reduce energy consumption and CO2 emissions; implementation with funding from the government building programme.
Heritage-preserving renovation
Renovation of cultural monuments with a conservation-appropriate and requirement-compliant redesign; object-specific renovation of culturally protected properties.
Fire-protection façade renovation
Fire-safe façade renovation; support with planning and implementation according to the applicable VKF fire-protection regulations.
Conversions
Conversions of any size with expert support; consultation and execution as required, including assistance with self-work.
Trust & reputation

ranQ Trust Score of Müller Martin & Partner GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 96% · As of October 2026

Müller Martin & Partner GmbH scores 61.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.95.08%
Müller Martin & Partner GmbH scores 77.2 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.86.512%
  • 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 Martin & Partner 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 Martin & Partner GmbH scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Müller Martin & Partner 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 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Dorfstrasse 23
4917 Melchnau
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-492.588.968
Founded
2016 · 10 years
Last commercial register change
February 17, 2016
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.
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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