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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesUzwilStiftung Polybau
Stiftung Polybau Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Polybau operates in the building envelope industry and offers training, consulting and services in the field of building envelopes, energy efficiency and renewable energies. The core activities include planning, execution and modernization of building envelopes, including roofs, facades, windows and basement ceilings, as well as the installation of heating systems, solar thermal systems, photovoltaics and battery storage systems.

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Products & services

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Stiftung Polybau

✓ Offered9
Initial vocational training
Initial vocational training in the building envelope sector, with practical training in inter-enterprise courses, theoretical instruction at the vocational school, and qualification procedures.
Continuing education
Modular continuing education for the building envelope field, with courses, specialised courses, modules and support for vocational examinations and higher professional examinations.
Higher vocational education and training
Courses and modules with a Polybau certificate, supported by specialists and speakers; preparation for completing modules, vocational examinations and the master craftsman certificate.
Federal qualifications
Preparation for federal qualifications in the building envelope, including building envelope planners, building envelope master craftsmen, site supervisors, energy advisors and project managers.
Specialised courses
Specialised courses for the building envelope field as well as partner courses; bookable via the specialised course registration and listed in the continuing education section.
Modules
A modular continuing education system covering topics such as construction scheduling, communication and marketing, law, tendering and accounting, project planning, strategic management as well as practice and technical know-how.
Vocational school (BFS)
Theoretical training for learners of the building envelope in Uzwil and Grenchen, as part of initial vocational training.
Inter-enterprise courses (ÜK)
Practical training for learners of the building envelope, taking place at the start of the initial vocational training before instruction at the vocational school.
Advisory service
Advisory service for learners and training companies, including social counselling and information on starting initial vocational training.
Trust & reputation

ranQ Trust Score of Stiftung Polybau: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Stiftung Polybau 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.
x
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%
Stiftung Polybau scores 91.6 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.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%
Stiftung Polybau scores 85.0 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).85.022%
Stiftung Polybau scores 56.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Stiftung Polybau 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 58%, 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.

Press

Media

June 4, 2025Media
Neubau für Polybau-Zentrum in Uzwil geplant
nau.ch

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Location

Lindenstrasse 4
9240 Uzwil

At a glance

Legal form
Foundation
UID
CHE-109.678.769
Founded
1949 · 77 years
Last commercial register change
June 29, 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.
97.0
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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