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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsMärwilNaturhus GmbH
Naturhus GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Anobia Holzbau und Naturhus Architektur is the planning, construction and realization of building biology projects, particularly in the field of solid wood construction, using natural materials such as wood and clay. The company offers holistic project management, architecture, construction management and execution of new, extension and renovation projects, with a focus on sustainability, ecology and the creation of healthy and unique homes.

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Offering

Products & services

Industry:Architecture Firms
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3.8/5

Naturhus GmbH

✓ Offered10
Holistic design planning
Comprehensive project planning for sustainable and healthy homes; factoring in technical, financial, scheduling and ecological aspects from the first ground-breaking to the key handover.
Architecture
Architecture for sustainable and building-biology new builds and renovations; consulting, preliminary design, building submission, detailed design and support through to implementation.
Construction management
Construction management for new builds, conversions and renovations; supervision from the start of the site phase to key handover, on site by experienced timber-construction foremen, also available as a partial mandate.
Holz100 timber structures
Glue-free solid-timber construction with roofs, walls and ceilings made of pure wood; untreated, non-toxic, vapour-permeable and connected using mechanical dowel joints.
Solid timber construction
Building-biology new builds, additions and conversions in timber; new build, storey extension, annex, winter garden, roof structures and further timber construction work.
Conversion and renovation
Timber conversion and renovation work; building-biology implementation for existing buildings, including modifications, preservation and renewal.
Additions and storey extensions
Additions and storey extensions in timber construction; extensions of existing buildings with building-biology implementation.
Facades, floors and ceilings
Facades, timber floors and ceilings in timber construction; carried out as part of new builds, additions and conversions.
Staircases, doors and furniture
Staircases, glue-free solid-timber doors and glue-free solid-timber furniture in timber-construction design; tailored to building-biology living concepts.
Natural insulation and clay plaster
Natural insulation and clay plaster for building-biology construction projects; using natural building materials for a healthy indoor climate and moisture-regulating properties.
Trust & reputation

ranQ Trust Score of Naturhus GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Naturhus GmbH scores 49.8 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.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: 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.35.08%
Naturhus GmbH scores 83.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.92.512%
  • 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%
Naturhus 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%
Naturhus GmbH scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Naturhus GmbH reaches a ranQ Trust Score of 3.8 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 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Unterlangnau 6
9562 Märwil
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-353.325.146
Founded
2014 · 12 years
Last commercial register change
December 21, 2018
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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