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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorZurichPfenninger Bau AG
Pfenninger Bau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Pfenninger Bau AG carries out conversions and renovations of commercial and residential properties, as well as new residential and commercial construction. Its services also include civil engineering work such as sewer renewals, utility line construction and sewer rehabilitation, along with planning and coordination of smaller building projects.

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Service area

Offering

Products & services

Industry:Building contractorCaretaker service
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4.1/5

Pfenninger Bau AG

✓ Offered4
Construction / Renovation
Minor and major renovations, conversions and refreshes of existing building fabric; on request with planning, construction management and execution for residential and commercial properties.
Property maintenance
Cleaning work indoors and outdoors, garden maintenance and redesign, pool care and cleaning as well as leaf removal, winter services and minor repair work.
Construction and disposal service
Minor construction service work and repairs, clearance of properties, apartments and office premises, and proper removal and disposal of materials, furniture and inventory.
Monitoring of technical installations
Inspection and maintenance of heating systems, oil tanks and electrical installations; on request, preparation of inspection schedules and conducting periodic inspection tours.
Trust & reputation

ranQ Trust Score of Pfenninger Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Pfenninger Bau 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%
Pfenninger Bau AG scores 92.3 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.82.07%
Pfenninger Bau AG scores 85.0 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).85.022%
Pfenninger Bau AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Pfenninger Bau 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.

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Location

Apollostrasse 6
8032 Zurich

At a glance

Legal form
Corporation
UID
CHE-105.877.726
Founded
1981 · 45 years
Last commercial register change
September 19, 2022
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Active in 2 of 26 cantons · 8 municipalities

    • ZHHerrliberg
    • ZHKilchberg (ZH)
    • ZHKüsnacht (ZH)
    • ZHSchlieren
    • AGSpreitenbach
    • ZHUrdorf
    • ZHZollikon
    • ZHZurich

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