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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectWillisauCAS Architektur AG
CAS Architektur AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

CAS Architektur AG provides services in architecture, construction economics and project realization. Offerings include project development, design and planning (including BIM), cost and schedule management, project and construction management, as well as urban development, renovations and feasibility studies.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Architect
✓ Offered3
Architecture
Project development, design, planning (BIM), visualisations and project management for building projects, renovations, conversions and urban planning concepts.
Construction economics
Acquisition, analysis, development and economic viability calculations based on land, market and needs analyses, site development and feasibility studies, as well as schedule and financial planning.
Realisation
Cost management, project management, construction management and schedule management for small, medium-sized and complex large-scale projects, including total contractor services.
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4.0/5

CAS Architektur AG

Trust & reputation

ranQ Trust Score of CAS Architektur AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of November 2026

CAS Architektur AG scores 56.6 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.63.324%
  • 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.45.610%
  • 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.50.08%
CAS Architektur AG scores 89.1 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.90.07%
CAS Architektur AG scores 88.3 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).88.322%
CAS Architektur AG scores 44.3 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 35.88.64%
  • 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

CAS Architektur AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 5 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.25
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 23, 2026Media
Apartmenthaus Vera Bauwerk Parkett
swiss-architects.com

Knowledge

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Comparisons

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Location

Menzbergstrasse 9
6130 Willisau
Opening hours
Mon
08:30 - 11:45, 13:30 - 16:45
Tue
08:30 - 11:45, 13:30 - 16:45
Wed
08:30 - 11:45, 13:30 - 16:45
Thu
08:30 - 11:45, 13:30 - 16:45
Fri
08:30 - 11:45, 13:30 - 16:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-462.041.381
Founded
2010 · 16 years
Last commercial register change
December 21, 2020
Employees
51 to 100

Active in 1 of 26 cantons

  • LULucerne
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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