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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionZuzwil SgSM Bau AG
SM Bau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of SM Bau AG is the planning and execution of construction projects in the field of steel and metal construction, including steel construction, roof and facade construction, metal construction and glazing. The company offers individual fabrication and assembly-ready solutions and places particular emphasis on high-quality work, absolute adherence to deadlines and a wide range of services without interfaces in execution.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered3
Steel construction
Steel structures from the hall to the canopy, with rolled sections, trusses and welded steel plate beams; production to EN 1090 and assembly by our own staff.
Roof and façade construction
Metal façades, thermo elements with window installation in a two-shell system without a thermal bridge, ventilated façades with special connections and waterproofing against the outside.
Metal construction
Windows and doors to customer specifications, thermo and compact façades as well as stairs, balconies and railings; made-to-measure fabrication and installation as required.
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4.1/5

SM Bau AG

Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

SM Bau AG scores 65.2 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.70.824%
  • 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.27.910%
  • 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.95.08%
SM 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.
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.82.07%
SM Bau AG 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%
SM Bau AG scores 16.5 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 35.22.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

SM Bau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 1, 2016Media
Neue Fabrikationshallen für SM Bau AG
tagblatt.ch

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Location

Ringstrasse 4
9524 Zuzwil Sg
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.415.351
Founded
1996 · 30 years
Last commercial register change
June 5, 2019
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

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