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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. GallenKarin Fritsche Stadelmann Dipl. Arch. ETH
Karin Fritsche Stadelmann Dipl. Arch. ETH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is architecture, particularly the planning and realization of construction projects, including new buildings, conversions, renovations, and energy-efficient renovations. This also includes the development of architectural concepts, space planning, neighborhood planning, furniture design, and the construction of fireplaces and chimneys. The company also offers consulting services in the areas of construction consulting, buying and selling real estate, maintenance planning, and real estate valuation.

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Products & services

Industry:Architecture Firms
✓ Offered10
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4.1/5

Karin Fritsche Stadelmann Dipl. Arch. ETH

Architecture / Interior design
New-build, conversions, renovation and energy-efficient retrofits for residential, school, office, commercial and hospital buildings; including interior design and furniture design.
Spatial planning / District & design plans
Analyses relating to building law, building history and urban planning; concepts for use, infill densification, access and green spaces, as well as district, design and special-use plans.
Hospital construction / Senior care & rehabilitation centers
New-build, conversions and energy-efficient retrofits for hospitals, health and doctors' centers as well as hotels and wayfinding systems.
School buildings / Kindergartens / Sports facilities
New-build and conversions of school, kindergarten and sports facilities as well as spaces for school, sport, music, design, MZH, crèches and after-school care.
Single-family & multi-family houses
New-build, conversions and energy-efficient retrofits for single- and multi-family houses; including mixed-age living, senior apartments and loft conversions.
Buildings for public use
New-build and conversions of public buildings for restaurants, retail, art and other uses.
Office construction / div. service businesses
New-build and conversions of office, congress, administrative, banking and insurance buildings.
Furniture design / Stove & fireplace construction
Furniture for indoor and outdoor spaces as well as stove and fireplace construction; references for furniture projects are available on the website.
Competition support / Study mandates / Jurying
Advisory on procedural matters, support for competitions and study mandates, implementation for private and public clients, as well as jurying.
Construction advisory / Property valuation / Maintenance planning
Advisory before purchase or sale, on construction and renovation matters, property valuations as well as maintenance, renovation and financial planning.
Trust & reputation

ranQ Trust Score of Karin Fritsche Stadelmann Dipl. Arch. ETH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Karin Fritsche Stadelmann Dipl. Arch. ETH 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.
x
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%
Karin Fritsche Stadelmann Dipl. Arch. ETH scores 78.5 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.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%
Karin Fritsche Stadelmann Dipl. Arch. ETH 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%
Karin Fritsche Stadelmann Dipl. Arch. ETH scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Karin Fritsche Stadelmann Dipl. Arch. ETH 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

Biserhofstrasse 65
9011 St. Gallen

At a glance

Legal form
Sole proprietorship
UID
CHE-104.406.293
Founded
2001 · 25 years
Last commercial register change
August 16, 2001
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.67.06%
  • 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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