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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingRootVoi-Tech Bau GmbH
Voi-Tech Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Voi-Tech Bau is the execution of work in the field of flooring, particularly the installation of wall and floor coverings, as well as the implementation of complete bathroom renovations, including sealing work, plastering and painting.

AI-generated
Offering

Products & services

Industry:Flooring & Tiling
✓ Offered7
Ceramic wall and floor coverings
Installation of ceramic wall and floor coverings, from mosaic tiles to large-format designer tiles, indoors and outdoors, including waterproofing work.
Natural stone and engineered stone coverings
Installation of natural stone, engineered stone and cement slabs for floors, walls, stairs, balconies and wet areas.
Waterproofing work
Waterproofing for exterior areas and sanitary areas to protect the substrate from moisture, frost, heat damage and uneven coverings.
Complete bathroom renovation
Complete renovation of bathrooms, including floor and wall tiling as well as painting and plastering work.
Painting and plastering work
Painting and plastering work as part of conversions and bathroom renovations.
New builds and renovations
Work within the scope of new builds and renovations, in particular for floor, wall and wet-area installations.
Construction repairs
Various repair works on existing coverings and building surfaces.
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4.4/5

Voi-Tech Bau GmbH

Trust & reputation

ranQ Trust Score of Voi-Tech Bau GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Voi-Tech Bau GmbH scores 96.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.94.624%
  • 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.100.010%
  • 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.95.08%
Voi-Tech Bau GmbH scores 75.7 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.83.012%
  • 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%
Voi-Tech Bau GmbH 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%
Voi-Tech Bau GmbH scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Voi-Tech Bau GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 55 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 55 reviews across all connected sources

Sources
GGoogle555
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Oberfeldstrasse 2
6037 Root
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
09:00 - 13:30
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-493.858.308
Founded
2017 · 9 years
Last commercial register change
April 4, 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.
88.0
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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