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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionHägglingenRoth & Roth Bau GmbH
Roth & Roth Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roth & Roth Bau GmbH is the provision of construction services, particularly in the area of new buildings, conversions, extensions and renovations of residential buildings, commercial properties and public buildings. This also includes specialized services such as the construction of garden walls, retaining walls, foundations, conservatories, swimming pools and koi ponds, as well as the renovation of existing buildings.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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3.9/5

Roth & Roth Bau GmbH

Site Preparation
Masonry Work
✓ Offered8
New builds and extensions
Building permit applications and plans for new builds and extensions; planning and execution of extensions, garages and retaining walls.
Alterations and renovations
Alterations of kitchens, bathrooms, screed, cellars and apartments; including kitchen renovations, enlarged windows, conservatories and barn conversions.
Masonry and plastering work
Masonry work with plastering and rendering; also small-scale masonry work as part of alterations and exterior areas.
Retaining and garden walls
Retaining and garden walls, raised garden wall sections, natural stone walls and tiered retaining walls for gardens, slopes and outdoor areas.
External works and site landscaping
External works using interlocking stones, garden paving slabs, garage forecourts and seating areas; also garden seating areas and parking lot work.
Sewer systems and house drainage
Sewer systems and house drainage in connection with new builds, extensions and alterations.
Small-scale excavation works
Small-scale excavation works as a supplementary construction service for construction projects, alterations and site landscaping.
Garages and garage forecourts
Construction and conversion of garages, garage openings with a ramp and garage forecourts as part of new builds and alterations.
Trust & reputation

ranQ Trust Score of Roth & Roth Bau GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 88% · As of October 2026

Roth & Roth Bau GmbH scores 53.3 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.68.224%
  • 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.17.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Roth & Roth Bau 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%
Roth & Roth 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%
Roth & Roth Bau GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roth & Roth Bau GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 88%, 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Eggental 3
5607 Hägglingen

At a glance

Legal form
Limited Liability Company
UID
CHE-105.170.348
Founded
1999 · 27 years
Last commercial register change
August 27, 2014
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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