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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringAarauQSI Solutions Markus Amsler
QSI Solutions Markus Amsler Logo
Verified· 3 sourcesTrust Score
Summary

About the company

QSI Solutions Markus Amsler is an engineering firm focused on structural design and civil engineering services. Services include structural planning for residential, industrial and commercial buildings, design of excavations and excavation support, civil engineering works, seismic analyses, crack surveys and static assessments of mobile-phone sites and photovoltaic installations.

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Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered5
Structural design
Structural design for residential construction as well as industrial and commercial buildings, including planning of excavation pits and excavation shoring.
Civil engineering planning
Planning for civil engineering works for construction projects with technical requirements, in addition to structural design and excavation planning.
Earthquake analyses of existing buildings
Seismic analyses for existing buildings for static assessment and evaluation of load-bearing capacity.
Crack surveys
Crack surveys on existing buildings as a basis for condition assessment and further static investigations.
Static assessment of mobile radio sites and solar installations
Static assessment of mobile radio sites and solar installations with regard to load-bearing capacity and technical requirements.
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3.9/5

QSI Solutions Markus Amsler

Trust & reputation

ranQ Trust Score of QSI Solutions Markus Amsler: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

QSI Solutions Markus Amsler scores 56.8 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.73.124%
  • 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.35.310%
  • 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%
QSI Solutions Markus Amsler 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%
QSI Solutions Markus Amsler 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%
QSI Solutions Markus Amsler scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

QSI Solutions Markus Amsler reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sengelbachweg 4
5000 Aarau
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-114.412.332
Founded
2008 · 18 years
Last commercial register change
July 8, 2009
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.
67.0
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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