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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRadelfingen B. AarbergSF Architektur GmbH
SF Architektur GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

SF Architektur GmbH is an office for energy-efficient building and renovation. The company provides services in construction, energy and real estate, including planning and execution of renovations and new builds, energy consulting, and property assessments and development.

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Offering

Products & services

Industry:Architecture Firms
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3.7/5

SF Architektur GmbH

✓ Offered4
Architecture services for construction and renovations
Design and implementation of renovations and new builds, with specialisation in timber construction, ecological building materials such as clay, and passive buildings.
Energy consulting and energy certificates
Creation of GEAK and GEAK-Plus, energy certificates in all cantons, support for energy-efficient renovations, as well as energy consulting and strategic planning for properties and portfolios.
Property expertise and property development
Property appraisals with condition analysis and renovation plans, estimation of renovation costs over 20 years, and a development strategy for undeveloped or properties in need of renovation.
Real estate sales
Real estate sales with free valuation, on-site viewing, a sales recommendation, photo and 360-degree walkthrough, sales documents, negotiations and support through to contract signing.
Trust & reputation

ranQ Trust Score of SF Architektur GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

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Data basis 54% · As of October 2026

SF Architektur GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
SF Architektur GmbH scores 57.1 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.39.612%
  • 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%
SF Architektur GmbH 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%
SF Architektur GmbH scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SF Architektur GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Kirchrain 4
3271 Radelfingen B. Aarberg

At a glance

Legal form
Limited Liability Company
UID
CHE-335.746.596
Founded
2024 · 2 years
Last commercial register change
March 30, 2026
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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