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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsDürrenäschRoth Bau + Planungs AG Dürrenäsch
Roth Bau + Planungs AG Dürrenäsch Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roth Bau + Planungs AG is the provision of services in the construction industry, particularly in the areas of architecture, construction management, project management and real estate valuation. The company also offers properties for sale and rent. It is a general contractor that takes over all steps from planning to completion of a construction project.

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Products & services

Industry:Architecture FirmsGeneral Contractors
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3.9/5

Roth Bau + Planungs AG Dürrenäsch

✓ Offered7
General contractor
Overall responsibility for development, planning and execution of new-build and conversion projects; coordination of construction projects with regional trades and contractors.
Architecture
Planning and execution of single-family houses, multi-family houses, industrial and commercial buildings, public buildings, as well as conversions, renovations and extensions.
Construction management
Coordination between planning and execution, schedule and cost planning, bill of quantities, construction supervision, quality control, invoice review and client representation.
Construction project management
Concept design, support in all construction phases, permit procedures, coordination of the trades, turnkey handovers and client representation.
Real estate appraisals
Valuation reports with market value, opportunity and risk analysis, renovation needs, expansion or change-of-use potential, rental potential, as well as land-for-development and building condition analyses.
Feasibility studies and project studies
Feasibility studies, project studies, partial assignments for the project, building permit, execution planning and construction management, as well as building surveys and survey plans.
Sale and rental of real estate
Sale and rental of real estate, including preparation of sales documentation and support with the purchase and sale of building plots.
Trust & reputation

ranQ Trust Score of Roth Bau + Planungs AG Dürrenäsch: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Roth Bau + Planungs AG Dürrenäsch scores 52.1 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.53.824%
  • 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.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.50.08%
Roth Bau + Planungs AG Dürrenäsch scores 85.5 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 Bau + Planungs AG Dürrenäsch 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 Bau + Planungs AG Dürrenäsch scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roth Bau + Planungs AG Dürrenäsch reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 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
3.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.76
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schanzweg 6
5724 Dürrenäsch
Opening hours
Mon
07:30 - 17:15
Tue
07:30 - 17:15
Wed
07:30 - 17:15
Thu
07:30 - 17:15
Fri
07:30 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.201.460
Founded
1987 · 39 years
Last commercial register change
August 6, 2018
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.100.06%
  • 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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