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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBad ZurzachSabine Hartl Kaspar Architektur + Raumdesign
Sabine Hartl Kaspar Architektur + Raumdesign Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company 'Sabine Hartl Architektur + Raumdesign' is the planning and implementation of interior architecture and design projects for residential and commercial spaces, including the design and realization of construction projects.

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Offering

Products & services

Industry:Architecture FirmsInterior Design & Furnishing
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Sabine Hartl Kaspar Architektur + Raumdesign

✓ Offered6
Consulting & concept development
Support for clients and companies in the early project phases, definition of objectives, use, character and budget framework, development of viable spatial concepts.
Planning & execution
Planning and design leadership of projects through to completion, including detailed execution planning, site supervision, construction management for interior fit-out, coordination and quality control.
New build, conversion & renovation
Planning and design of new builds, conversions and renovations in existing buildings, including re-design of interior spaces, refurbishments and work subject to authorities’ requirements.
Interior design for businesses & hospitality
Development of interior concepts for offices, reception and lobby, health and therapy rooms, hotel rooms, restaurants, training rooms and showrooms.
Furnishings
Design and implementation of interior spaces with furniture, product design, colour and lighting concepts, textiles, accessories and styling in collaboration with suppliers and tradespeople.
Special projects & scenography
Design of art-inspired interior architectures, scenographic concepts, exhibitions, museum and gallery spaces, event and experience areas, and temporary installations.
Trust & reputation

ranQ Trust Score of Sabine Hartl Kaspar Architektur + Raumdesign: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Sabine Hartl Kaspar Architektur + Raumdesign scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Sabine Hartl Kaspar Architektur + Raumdesign 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%
Sabine Hartl Kaspar Architektur + Raumdesign 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%
Sabine Hartl Kaspar Architektur + Raumdesign scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sabine Hartl Kaspar Architektur + Raumdesign reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Feldblumenweg 10b
5330 Bad Zurzach
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-104.913.236
Founded
2011 · 15 years
Last commercial register change
June 11, 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.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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