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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRiva San VitaleBAUM Studio Sagl
BAUM Studio Sagl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

BAUM Studio Sagl is an architecture studio focused on sustainable timber construction, renovations and extensions. Services include complete project planning and construction management, building permit applications, cost estimation and control, energy concepts and lifecycle/CO2 assessments, as well as client representation and consultancy.

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Products & services

Industry:Architecture Firms
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4.2/5

BAUM Studio Sagl

✓ Offered
7
Sustainable architecture
Sustainable architecture, wood prefabrication and renovations; end-to-end design and execution of renovations and new sustainable buildings, with construction planning and project management.
Renovations, loft conversions and extensions
Renovations, refurbishments, loft conversions and extensions with building permits, subsidy applications, quotation requests, cost calculation, construction management, invoicing and handover.
Wood prefabricated houses and Tiny Houses
Wood prefabricated houses, modular home construction and Tiny Houses; assessment of manufacturers, feasibility studies, preliminary design, building permits, construction management and handover.
Client representation and advisory
Representation and advisory services for the client, mediation on mandate, needs analysis, monitoring processes and deadlines, precise organisation and customised customer service.
Energy consulting and certifications
Preparation of building applications and energy dossiers, development of energy concepts, subsidy applications, energy certificates and energy-insulated self-sufficient solutions.
Feasibility analysis and cost control
Quotation requests, cost calculation and cost control, cost analyses, feasibility studies as well as planning and risk analysis for construction projects.
Technical building assessments
Life-cycle assessments, CO2 footprint, infrared thermography and technical analyses for buildings and conversion projects.
Trust & reputation

ranQ Trust Score of BAUM Studio Sagl: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

BAUM Studio Sagl scores 76.4 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.78.124%
  • 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.63.210%
  • 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.88.08%
BAUM Studio Sagl scores 80.9 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.95.212%
  • 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%
BAUM Studio Sagl scores 83.3 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).83.322%
BAUM Studio Sagl scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BAUM Studio Sagl reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 11 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
4.8
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.811
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via E. Clerici Curioni 13
6826 Riva San Vitale
Opening hours
Mon
08:00 - 19:00
Tue
08:00 - 19:00
Wed
08:00 - 19:00
Thu
08:00 - 19:00
Fri
08:00 - 19:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-285.111.784
Founded
2013 · 13 years
Last commercial register change
April 7, 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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