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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceWallisellenHans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern
Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern provides masonry and renovation services, including conversions, bathroom renovations, restorations, installation of timber‑gypsum lightweight partition walls, and traditional masonry work with formwork, reinforcement and concrete. The proprietor acts as the direct contact and manages projects from order intake and quotation to material procurement and execution.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered3
Alterations and renovations
Alterations and renovations in the canton of Zurich, including bathroom renovation, plastering work and redesign of rooms.
Custom masonry work
Custom masonry work with formwork, reinforcement and concrete for masonry construction and individual building projects.
Lightweight wood-plaster walls
Installation of lightweight wood-plaster partition walls for stable, lightweight room structures with a smooth finish, sound insulation and fire protection.
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3.7/5

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern

Trust & reputation

ranQ Trust Score of Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

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Data basis 96% · As of October 2026

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern scores 75.3 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.92.512%
  • 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%
Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern 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%
Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Frohheimstrasse 11
8304 Wallisellen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
07:00 - 17:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-427.484.874
Founded
2014 · 12 years
Last commercial register change
February 4, 2014
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.67.06%
  • 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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