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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeChamAndrea Seiler AG
Andrea Seiler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Andrea Seiler's company encompasses interior architecture, design, and architectural expertise for private individuals and businesses. Specifically, she offers services such as renovating villas, furnishing apartments and offices, designing custom furniture, and creating artworks. Additionally, she provides support for entrepreneurs in positioning their company, sparring partnerships for honest feedback, and redesigning corporate identities (CI).

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Products & services

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Andrea Seiler AG

✓ Offered4
Construction client representation
Advising private and public construction clients throughout all project and construction phases, representing them vis-à-vis architects, tradespeople and general contractors, second opinions and real estate consulting.
Interior design
Concept, design, project planning, schedules, costs, contract awards, building submission, implementation and acceptance for living and dining rooms, kitchens and bathrooms in new builds and renovations.
Interior furnishing concepts
Living spaces with furniture, textiles, lighting, colours, materials, art and accessories; material selection, ordering and delivery including organisation of the process.
Design
Custom furniture, art and accessories; corporate design, signage concepts, logos and menus layouts as well as graphic and wayfinding/signage implementation.
Trust & reputation

ranQ Trust Score of Andrea Seiler AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Andrea Seiler AG scores 68.0 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.76.724%
  • 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.45.610%
  • 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.70.08%
Andrea Seiler AG scores 82.3 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.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%
Andrea Seiler 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%
Andrea Seiler AG scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Andrea Seiler AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Hinterbergstrasse 15
6330 Cham

At a glance

Legal form
Corporation
UID
CHE-419.533.542
Founded
2014 · 12 years
Last commercial register change
June 8, 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.
100.0
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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