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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsButtisholzA6 Architekten AG
A6 Architekten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of A6 Architekten AG is the planning, consulting and execution of construction projects, including: architectural planning and design, general planning and client consulting, renovations and energy-efficient refurbishments, restoration of listed buildings, study mandates and competitions, construction economics and construction management, and local image consulting and expert opinions. The company thus provides comprehensive services in the field of construction, from planning to the realization of construction projects.

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Products & services

Industry:Architecture Firms
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4.2/5

A6 Architekten AG

Project and detailed planning
Project and detailed planning for residential construction, public buildings and commercial properties; planning from concept through detailed design to move-in.
Construction management and construction economics
Construction economics and site management for new builds, conversions and renovations; project support in cooperation with specialist planners and tradespeople.
Conversions and energy-efficient retrofits
Conversions and energy-efficient retrofits for existing buildings; preservation, extension or enhancement of existing structures using resource-sparing materials.
Restorations of listed historic properties
Restorations of listed historic properties; renovation, preservation and enhancement of existing buildings and protected structures.
General planning
General planning for construction projects; coordination of the planning and execution parties within a network of specialist planners and tradespeople.
Client advisory services
Client advisory services for projects, from site assessment to delivery; support with needs identification, planning and implementation.
Site assessments
Site assessments as a basis for construction projects; review of framework conditions and suitability of a site before further planning and feasibility steps.
Feasibility studies
Feasibility studies for construction projects; clarification of feasibility, usage options and planning requirements.
Study mandates and competitions
Study mandates and competitions for building and architecture projects; processing of design and selection procedures.
Municipal townscape advice
Townscape advisory services for municipalities; expert assessment of building projects with regard to the town and settlement image.
Expert reports
Expert assessments on construction and architectural matters; expert clarifications and evaluations as part of projects or existing buildings.
Residential construction
Residential construction with tailor-made new builds; support from concept through detailed planning and site management to move-in.
Trust & reputation

ranQ Trust Score of A6 Architekten AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

A6 Architekten AG 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.79.224%
  • 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.58.610%
  • 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.35.08%
A6 Architekten AG scores 92.3 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.82.07%
A6 Architekten AG scores 83.3 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).83.322%
A6 Architekten AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A6 Architekten AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 9 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
4.9
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.99
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Unterdorf 12
6018 Buttisholz
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.310.968
Founded
1999 · 27 years
Last commercial register change
May 22, 2026
Employees
21 to 50
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.
100.0
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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