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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRiehenKasburg Siemon Ingenieure KlG
Kasburg Siemon Ingenieure KlG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kasburg Siemon Ingenieure is a specialized engineering firm focused on fire protection. The company's core activity is consulting and planning fire protection solutions for buildings and facilities. The company offers services such as initial consultation, project planning and implementation, as well as consulting on compliance with fire protection regulations.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered12
Fire protection concepts and fire protection plans
Fire protection concepts, fire protection plans and individual solutions around preventive fire protection for building projects.
Quality assurance in all project phases
Quality assurance in all project phases from QSS1 to QSS4 in fire protection, accompanied from planning through to implementation.
Smoke extraction verification and fire simulations
Smoke extraction verifications and fire simulations to assess smoke exhaust performance and the fire protection effectiveness of installations.
Evacuation simulations
Evacuation simulations for analysing people flow and for the fire safety-related design of escape and rescue routes.
Thermal design
Thermal design and fire safety technical verifications for components and structures under fire exposure.
Risk-based verification methods
Risk-based verification methods as alternative fire safety assessment methods for projects with special requirements.
Advisory for developers, owners and users
Advisory for developers, owners and users regarding fire safety requirements, measures and project issues.
Second opinions
Second opinions on existing fire protection concepts, verifications and technical solution approaches.
Fire safety training
Fire safety training for project stakeholders, authorities, users and other interested parties.
Due Dilligence and condition analyses
Due Dilligence and condition analyses to assess existing fire protection conditions and risks.
Fire brigade intervention plans
Fire brigade intervention plans for fire protection preparation and orientation in the event of an incident.
Escape and rescue plans
Escape and rescue plans for buildings and installations as part of fire protection documentation.
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3.8/5

Kasburg Siemon Ingenieure KlG

Trust & reputation

ranQ Trust Score of Kasburg Siemon Ingenieure KlG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Kasburg Siemon Ingenieure KlG scores 52.7 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.50.08%
Kasburg Siemon Ingenieure KlG scores 72.0 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.70.212%
  • 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.70.07%
Kasburg Siemon Ingenieure KlG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Kasburg Siemon Ingenieure KlG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kasburg Siemon Ingenieure KlG 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.

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Location

Rüchligweg 101
4125 Riehen
Opening hours
Mon
08:00 - 20:00
Tue
08:00 - 20:00
Wed
08:00 - 20:00
Thu
08:00 - 20:00
Fri
08:00 - 20:00
Sat
Closed
Sun
Closed

At a glance

Legal form
General Partnership
UID
CHE-167.308.213
Founded
2020 · 6 years
Last commercial register change
November 6, 2024
Employees
11 to 20
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.
79.0
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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