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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBaselRitter Giger Schmid Architekten SIA AG
Ritter Giger Schmid Architekten SIA AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ritter Giger Schmid Architekten SIA AG is the provision of architectural services, including planning, design and construction management of building projects.

AI-generated
Offering

Products & services

Industry:Architecture FirmsOwner's RepresentativeReal Estate Project Development
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Ritter Giger Schmid Architekten SIA AG

✓ Offered4
Design and Construction
Design, plan and execute construction projects; reliable planning, cost and schedule control, technical quality control, sustainable preservation of the fabric and efficient use of energy.
Competition Support
Preparation of competition briefs and organization of architecture competitions and study mandates for projects by the federal government, cantons, municipalities, foundations, associations and cultural institutions.
Advisory Services
Construction advisory services for public clients and private clients, including for school buildings, infrastructure renewals and the purchase of properties.
Market Value Appraisals
Building appraisals and market value appraisals for residential houses, housing estates, single-family homes and commercial properties using different valuation methods.
Trust & reputation

ranQ Trust Score of Ritter Giger Schmid Architekten SIA AG: 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.

Ritter Giger Schmid Architekten SIA AG 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%
Ritter Giger Schmid Architekten SIA AG scores 85.5 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.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.55.07%
Ritter Giger Schmid Architekten SIA AG 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%
Ritter Giger Schmid Architekten SIA AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ritter Giger Schmid Architekten SIA AG 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

Heuberg 16
4051 Basel

At a glance

Legal form
Corporation
UID
CHE-109.626.264
Founded
2002 · 24 years
Last commercial register change
June 16, 2020
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.100.06%
  • 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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