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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding services engineerSissachWIRZ & PARTNER AG
WIRZ & PARTNER AG Logo
Verified· 2 sourcesTrust Score4.1/5

WIRZ & PARTNER AG

Summary

About the company

The company's purpose is to plan and supervise the execution of air, climate and refrigeration systems for industrial, commercial and residential construction. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and acquire and sell real estate in Switzerland and abroad. Furthermore, the company may conduct all business that is suitable to promote or facilitate the achievement of its purpose.

Commercial register, canton of BL·As of September 9, 2024View on Zefix
Presence

Service area

Trust & reputation

ranQ Trust Score of WIRZ & PARTNER AG: 4.1 out of 5.0

Trust Score4.1/ 5.0
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High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

WIRZ & PARTNER 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%
WIRZ & PARTNER AG scores 85.5 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.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.55.07%
WIRZ & PARTNER AG scores 81.7 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).81.722%
WIRZ & PARTNER AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WIRZ & PARTNER 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 November 2026.

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

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Location

Hauptstrasse 121
4450 Sissach

At a glance

Legal form
Corporation
UID
CHE-105.812.187
Founded
1988 · 38 years
Last commercial register change
September 9, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLSissach
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%

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