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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceStein ArBauarge Renovationen GmbH
Bauarge Renovationen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company 'Bauarge' is a construction and renovation company specializing in the planning and execution of construction projects, particularly in the field of timber construction and masonry. The core activities include planning, coordination and execution of construction projects, including the integration of all trades, such as water, electricity and heating. The company also offers conversion and renovation services and places emphasis on the highest energy efficiency and quality.

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Products & services

Industry:Building MaintenanceInterior Construction
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4.0/5

Bauarge Renovationen GmbH

Timber Construction & Carpentry
✓ Offered6
Planning
Planning of conversions and new builds, from small renovations to a three-family house; coordination of trades, works contracts, tender documents and building-legal documentation.
Timber construction
Timber construction for interior fit-out and load-bearing structure, including design, surface treatment and precautions against moisture, condensation and inadequate vapour barriers.
Masonry work
Masonry work for exterior walls and interior walls, including thermal insulation, sound insulation, waterproofing, plastering, cladding and various types of masonry.
Interior fit-out
Interior fit-out with drywall systems, gypsum fibre boards, wall linings, suspended ceilings and joinery work for doors and room partitions.
Joinery work
Joinery work for solid-wood furniture, complete custom-made interior fittings, doors and interior work for living spaces, offices, restaurants and hotels.
Tiling
Tiling for wet rooms and bathrooms, including renovations and new builds with tiles, dry-wall elements, XPS boards and coordinated material combinations.
Trust & reputation

ranQ Trust Score of Bauarge Renovationen GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Bauarge Renovationen GmbH scores 57.8 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.60.724%
  • 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.40.910%
  • 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.70.08%
Bauarge Renovationen 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%
Bauarge Renovationen GmbH 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%
Bauarge Renovationen GmbH scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bauarge Renovationen GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
4
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Sägehüsli 177
9063 Stein Ar
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.626.189
Founded
2010 · 16 years
Last commercial register change
May 31, 2024
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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