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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorMuttenzGT Bauservice GmbH
GT Bauservice GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GT Bauservice GmbH is a construction company specialising in alterations, renovations and building repairs. Its services include masonry, plastering and tiling, kitchen and bathroom renovations, facade and concrete repairs, and work on outdoor spaces.

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Service area

Offering

Products & services

Industry:Building contractorRenovation
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4.2/5

GT Bauservice GmbH

Mason
Painter
✓ Offered7
Renovations, Alterations and Refurbishments
Renovations, alterations and refurbishments for residential and commercial properties; from planning to execution, including bathroom and kitchen renewals.
Masonry Work and Drilling
Masonry work for general bricklaying as well as core and diamond drilling in concrete, reinforced concrete and masonry for subsequent openings.
Plastering Work
Plastering work including crack repair, drylining and basement ceiling insulation; plus minor additional services in the painting and tiling trade.
Façade Renovations
Façade renovations with façade rendering, crack repairs, concrete repairs and external thermal insulation; treatment of historically valuable façades according to heritage conservation guidelines as well.
Concrete Repairs
Concrete repairs and restoration of concrete structures to protect and repair damaged concrete elements.
Bathroom Renovations and Refurbishments
Bathroom refurbishments and renovations with planning and realization of modern bathrooms for single-family and multi-family houses.
Site and Landscaping Works
Site and landscaping works for outdoor areas in the private, public and commercial sectors; planning, design and construction of gardens, forecourts and courtyards.
Trust & reputation

ranQ Trust Score of GT Bauservice GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

GT Bauservice GmbH scores 77.9 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.80.724%
  • 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.63.210%
  • 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.88.08%
GT Bauservice GmbH scores 83.0 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.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%
GT Bauservice GmbH scores 86.7 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).86.722%
GT Bauservice GmbH scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GT Bauservice GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 11 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.911
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bernhard Jäggi-Strasse 17
4132 Muttenz
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-111.796.786
Founded
2009 · 17 years
Last commercial register change
January 6, 2010
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLMuttenz
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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