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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichMentha Walther Architekten GmbH
Mentha Walther Architekten GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company is an architectural firm specializing in the renovation, conversion and redesign of buildings. The core activity includes the planning and realization of construction projects, including the renewal of building technology, the adaptation of floor plans and the design of interior and exterior spaces.

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Products & services

Industry:Architecture Firms
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3.8/5

Mentha Walther Architekten GmbH

5
Architectural services
Architectural services for all phases, from competition design through execution and construction management to master planning; with a focus on building in existing historic fabric, context and detail.
Competition designs
Competition designs for architectural competitions, including projects with rankings and awards; prepared as part of the office’s activities.
Renovation and refurbishment
Renovation and refurbishment of residential buildings, attic apartments and listed structures; including adjustments to floor plans, renewal of kitchens, bathrooms, building services and surfaces.
New construction
New construction of buildings such as kindergartens and club or changing-room buildings; with a focus on clear structuring, materiality and integration into the context.
Heritage-compliant planning
Heritage-compliant planning and careful restoration of historic buildings, preserving the fabric, adapting it to today’s needs and taking account of the building history.
Trust & reputation

ranQ Trust Score of Mentha Walther Architekten GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

Mentha Walther Architekten GmbH scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Mentha Walther Architekten GmbH scores 79.4 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.83.012%
  • 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%
Mentha Walther Architekten 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%
Mentha Walther Architekten GmbH scores 15.7 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Mentha Walther Architekten GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 12, 2020Media
Umgedreht, umorganisiert, umgebaut -
swiss-architects.com

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Location

Pflanzschulstrasse 34
8004 Zurich
Opening hours
Mon
08:30 - 18:00
Tue
08:30 - 18:00
Wed
08:30 - 18:00
Thu
08:30 - 18:00
Fri
08:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-466.730.829
Founded
2017 · 9 years
Last commercial register change
January 31, 2022
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.88.06%
  • 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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