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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionWerdenbergLG Bau AG
LG Bau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activities include construction, gravel and concrete plant, general contracting, road construction, civil engineering, structural engineering, plastering, facade construction, drywall construction, fireproofing, sealing, building renovation, special flooring, drilling and milling work, crack injection, concrete renovation, conversion and renovation.

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Products & services

Industry:Building Construction
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LG Bau AG

Civil Engineering
Site Preparation
Painting & Plastering
✓ Offered10
Building construction
Residential construction, industrial and commercial construction, stadium construction, bridge construction as well as conversions, extensions and public buildings; in addition, façade masonry, exposed concrete work and dry masonry.
Civil engineering
Special foundation engineering, excavation pits, sewer systems and utility lines, rüfe and stream bank reinforcement as well as earthworks, demolition work, dewatering and ground rockets.
Plastering work
Plastering and white plaster finishing, clay plaster, plaster ornamentation and restoration of existing buildings for walls, ceilings and exterior façades.
Waterproofing
White tank, brown tank, yellow tank, waterproofing combinations and crack injection for civil and building construction as well as thermal insulation materials.
Drywall construction
Wall systems, ceiling systems and acoustic panels for new living and working environments; fit-out, refurbishment and alterations of commercial premises and residential buildings.
Facade
Façade and crack repair as well as façade insulation systems to protect the building envelope and insulate against energy and heat.
Special floor
PU and epoxy resin floor coatings, CAF calcium sulfate flowing screeds, homogeneous concrete and monobeton surfaces, as well as Korodur industrial and design floors.
Road construction and site works
Road surfacing, paving, site works, sports fields, artificial and natural turf pitches as well as transport and crane work for roads, facilities and sites.
Customer work
Building maintenance, concrete restoration, firestopping, conversions and customer work from A to Z for small and complex projects.
Drilling and milling work
Core drilling and concrete milling for precise, low-noise, low-dust and vibration-free work on stone and concrete.
Trust & reputation

ranQ Trust Score of LG Bau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

LG Bau AG scores 69.2 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.74.424%
  • 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.49.510%
  • 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.78.08%
LG Bau AG scores 90.2 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.95.212%
  • 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%
LG Bau AG 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%
LG Bau AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LG Bau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Staatsstrasse 7a
9470 Werdenberg
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-168.134.737
Founded
2013 · 13 years
Last commercial register change
March 24, 2025
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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