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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionOberriet SgDM Bau AG
DM Bau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of DM BAU is modular and timber construction, particularly the planning and construction of buildings using reusable modules and environmentally friendly building materials such as wood, with the aim of offering sustainable and efficient solutions to customers.

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Offering

Products & services

Industry:Building Construction
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3.9/5

DM Bau AG

General Contractors
✓ Offered8
Total and general contractor
Coordination and organization of all planning and execution steps as a total or general contractor, including awarding to subcontractors and implementing everything from planning through to handover on completion.
Planning expertise
Feasibility studies, concept and design work, building permit submissions, as well as coordination of building contractor work, structural shell and interior fit-out for residential, commercial, education and hotel projects.
Building extensions on top
Planning and implementation of building extensions on top to create additional residential or usable space, including feasibility analysis, advisory services, site management and execution up to handover on completion.
Wood modular construction
Prefabricated full-wood room modules with integrated installations and finishes, customizable and suitable for both temporary and permanent buildings.
Timber element construction
Prefabricated timber walls, ceilings and floors for flexible construction methods with short construction times, lower emissions and buildings that can be adapted.
Massive modular construction
Prefabrication of massive modules in the factory for fast, weather-independent construction processes, high flexibility in spatial design, as well as options for extensions upwards and enlargements.
Massive element construction
Prefabricated building elements made of concrete, steel or timber for permanent buildings, with short construction times, minimal emissions and high load capacity.
Available buildings
Processed upcycling modules as a rental or purchase object for schools, administration, offices, healthcare facilities or housing units, individually adaptable and available immediately.
Trust & reputation

ranQ Trust Score of DM Bau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 92% · As of October 2026

DM Bau AG scores 48.1 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.53.524%
  • 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.35.310%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
DM Bau AG scores 89.3 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.70.07%
DM 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%
DM Bau AG scores 29.8 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 35.42.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.16.74%
Qualifications+0.00

DM Bau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.3 out of 5 stars from 3 customer reviews. The data basis is 92%, 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
3.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.33
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 6, 2020Media
Richard Dietsche geht in Pension
rheintaler.ch
April 27, 2012Media
Aus De Meeuw wird DM Bau
tagblatt.ch

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Location

Wiesenstrasse 1
9463 Oberriet Sg
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.952.168
Founded
1991 · 35 years
Last commercial register change
July 2, 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.
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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