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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementWeiningen Zhroth baudienstleistungen gmbh
roth baudienstleistungen gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company "Rothbau" is the provision of construction services, particularly in the planning, construction management and energy consulting for new and renovation projects in the building industry. This includes, among other things: construction consulting, construction planning, construction management, energy consulting, building energy certificate, and sound insulation certificate. The company supports customers in the realization of construction projects from A to Z and also offers individual services.

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Offering

Products & services

Industry:Construction & Project Management
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4.1/5

roth baudienstleistungen gmbh

✓ Offered9
Client Advisory
Client advisory for new-build and conversion projects in building construction, supported from A to Z; on request also as a standalone service.
Construction Planning
Construction planning for new-build and conversion projects in building construction, provided as a standalone service or as part of an overall package throughout the construction project.
Construction Management
Construction management for new-build and conversion projects in building construction, supported from planning through to successful completion.
Energy Advisory
Energy advisory for properties and new builds, including building analyses, energy proofs, execution checks for thermal insulation and cantonal requirements.
Cantonal Energy Certificate (GEAK)
GEAK certificates for existing properties, issued by a GEAK expert as part of the energy advisory.
Energy Proofs
Energy proofs including execution checks of the thermal insulation, to meet cantonal requirements for construction projects.
Sound Insulation Report
Sound insulation reports for new-build and conversion projects in building construction, as a standalone service or as part of project support.
Building Analyses
Building analyses as part of energy and construction projects, to assess measures and improve the energy balance.
Construction Project Support
Support for construction projects along the entire value chain, from planning through construction to letting and property management.
Trust & reputation

ranQ Trust Score of roth baudienstleistungen gmbh: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

roth baudienstleistungen gmbh scores 62.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.78.08%
roth baudienstleistungen gmbh scores 85.7 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.97.712%
  • 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.70.07%
roth baudienstleistungen 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%
roth baudienstleistungen gmbh scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

roth baudienstleistungen gmbh 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. 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
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.

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Location

Badenerstrasse 18
8104 Weiningen Zh
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-153.243.441
Founded
2012 · 14 years
Last commercial register change
January 27, 2026
Employees
11 to 20
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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