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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesOberuzwilPolarstern Montagen AG
Polarstern Montagen AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Polarstern Montagen AG is an assembly contractor that executes complex installation projects and operates as a subcontractor offering photovoltaic, roof, facade, electrical-installation, modular construction and event-assembly services. The company works with planners, installers and specialist firms and holds the ESTI general installation authorization.

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Offering

Products & services

Industry:Specialized Construction ActivitiesSolar & Photovoltaics
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3.8/5

Polarstern Montagen AG

✓ Offered6
Photovoltaic mounting
Professional installation of PV systems on pitched roofs, integrated roofs, flat roofs, facades and open areas; including substructure work, DC cabling, module mounting and complex industrial and commercial buildings.
Roof installations and roof renovations
New roof installations and roof renovations; removal of existing roof covering, repair of underlayment and roof structure, installation of new roof covering and mounting of fall protection systems.
Facade installations
Installation of façade solutions made of glass, wood, fibre cement, composite panels, aluminium or steel; dismantling, substructure work, insulation and execution for new builds and renovations.
Electrical installations
Electrical installation work as part of comprehensive projects; fixing installations, cable routing and mounting of lighting systems.
Modular construction and container construction
Assembly of prefabricated systems in modular and container construction; foundation and substructure, logistics on site, interior fit-out of the modular rooms as well as stairs and extensions.
Event construction and trade fair construction
Temporary installations for events, trade fairs and temporary structures; assembly as well as setup and dismantling of stages, tents and structures according to planning.
Trust & reputation

ranQ Trust Score of Polarstern Montagen AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Polarstern Montagen 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.
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%
Polarstern Montagen AG scores 59.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.39.612%
  • 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.55.07%
Polarstern Montagen AG scores 83.3 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).83.322%
Polarstern Montagen AG scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Polarstern Montagen AG reaches a ranQ Trust Score of 3.8 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.

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Location

Stutzenbühlstrasse 7
9242 Oberuzwil

At a glance

Legal form
Corporation
UID
CHE-234.092.366
Founded
2024 · 2 years
Last commercial register change
March 10, 2025
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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