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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBaselStich & Oswald GmbH
Stich & Oswald GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Stich & Oswald GmbH is an architectural practice of Hannes Oswald and Sebastian Stich that provides architectural planning and project work for building projects.

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Offering

Products & services

Industry:Architecture Firms
✓ Offered5
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4.1/5

Stich & Oswald GmbH

Architectural planning
Design, construction and implementation of public and cultural buildings, conversions, interior fit-outs and experimental projects; a dialogic design process with clients, specialist planners and authorities.
Public and cultural building projects
Planning of public and cultural buildings as well as competition and project work; examples include municipal buildings, tennis halls and exhibition facilities.
Conversions and refurbishments
Planning of conversions, top-floor extensions and full refurbishments, for example for residential buildings, terraced houses and a winery with a wine shop.
Interior fit-out
Designing and planning interior fit-outs as part of the architectural service offering, from spatial logic to material implementation.
Architectural concepts and design development
Analytical development of concepts from the existing site context; translated into clear spatial structures focusing on use, processes, materials and atmosphere.
Trust & reputation

ranQ Trust Score of Stich & Oswald GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Stich & Oswald 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%
Stich & Oswald GmbH scores 79.8 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.55.07%
Stich & Oswald 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%
Stich & Oswald GmbH scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stich & Oswald GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». 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

Angensteinerstrasse 15
4052 Basel

At a glance

Legal form
Limited Liability Company
UID
CHE-286.983.083
Founded
2014 · 12 years
Last commercial register change
September 29, 2022
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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