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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesRheinfeldenBrügger & Willers Holding AG
Brügger & Willers Holding AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Brügger & Willers Holding AG provides engineering consulting for high‑tech buildings and infrastructure. Its services include building services engineering, integrated planning, digital building workflows and specialised solutions such as cleanrooms, laboratories, GMP/QVC, data centers and energy hub projects.

AI-generated
Offering

Products & services

Industry:Holding Companies
✓ Offered7
Building Services Engineering
Design and control of heating, ventilation, air conditioning, sanitary systems, electrical systems and building automation; integrated solutions with a focus on efficiency, comfort and operational safety.
General Planning
General planning for technologically demanding buildings; coordination of all planning disciplines, overall responsibility, overall technical management as well as feasibility studies and technical architecture.
Digital Building
Digital building solutions with IoT, cloud and AI applications, digital twin, BIM management, BIM2FM as well as OT network and cyber security concepts.
Consulting
Advisory services on energy and building services engineering for owners and operators; owner representation, project management, quality assurance, energy concepts and operational optimisation.
Cleanroom Planning
Planning of cleanrooms with spatial concepts, room layout, building services engineering, BIM models, process integration, and overall site management as well as specialist construction management.
Laboratory Planning
Planning of laboratories and laboratory environments with laboratory concepts, media supply, safety concepts, building services engineering and operational readiness.
GMP/QVC
GMP consulting, qualification and validation for life sciences projects; support from analysis through to operating authorisation and implementation of regulatory requirements.
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4.1/5

Brügger & Willers Holding AG

Trust & reputation

ranQ Trust Score of Brügger & Willers Holding AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Brügger & Willers Holding AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Brügger & Willers Holding AG scores 84.6 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.97.712%
  • 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%
Brügger & Willers Holding 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%
Brügger & Willers Holding AG scores 82.9 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 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brügger & Willers Holding AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Quellenstrasse 1
4310 Rheinfelden

At a glance

Legal form
Corporation
UID
CHE-226.357.605
Founded
2012 · 14 years
Last commercial register change
August 20, 2026
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.
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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