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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. GallenItten+Brechbühl AG
Itten+Brechbühl AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Itten+Brechbühl AG is an architecture and general planning firm that provides project management, design, planning and construction management services. The company supports projects across all phases and deploys interdisciplinary teams and internal communities focused on sustainability, VDC/BIM and life sciences/healthcare.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Project management
Control and management of the entire project process from planning to implementation, ensuring compliance with costs, deadlines and quality.
Development / Design
Architecture-related development of projects with the assignment to work out focused solutions for complex requirements, from the first idea to handover.
Planning
Preparation of phase-appropriate planning documents for customer requirements in close collaboration with specialist planners, specialists and authorities.
Construction management
Management of the entire construction process with a focus on efficiency, quality and compliance with costs and deadlines.
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4.1/5

Itten+Brechbühl AG

Trust & reputation

ranQ Trust Score of Itten+Brechbühl AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Itten+Brechbühl AG scores 59.9 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.72.524%
  • 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.35.08%
Itten+Brechbühl AG scores 86.2 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.89.612%
  • 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.96.07%
Itten+Brechbühl AG 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%
Itten+Brechbühl AG scores 55.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Itten+Brechbühl AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 6 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.76
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 12, 2026Media
Maschinenlaboratorium und Student Project House ETH Zürich Itten+Brechbühl AG
swiss-architects.com
August 7, 2019Media
IttenBrechbühl gewinnt Wettbewerb Hoferbad
leaderdigital.ch

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Comparisons

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Location

Dürrenmattstrasse 24
9000 St. Gallen
Opening hours
Mon
09:00 - 12:30, 14:00 - 17:00
Tue
09:00 - 12:30, 14:00 - 17:00
Wed
09:00 - 12:30, 14:00 - 17:00
Thu
09:00 - 12:30, 14:00 - 17:00
Fri
09:00 - 12:30, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-286.654.277
Founded
2015 · 11 years
Last commercial register change
September 20, 2024
Employees
101 to 500
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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