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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesZurichJSB AG
JSB AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of construction and architectural services, particularly in the areas of renovation, refurbishment, damage assessment and remediation, as well as building biology services such as thermography and electromagnetic field measurements. The company provides consulting and support services to private and institutional clients in the planning, execution and settlement of construction projects, including the identification of causes and the remediation of building damage.

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Offering

Products & services

Industry:Specialized Construction Activities
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JSB AG

✓ Offered8
Building and architectural services
Building and architectural services for construction in existing buildings, from needs definition and ordering through execution, acceptance, commissioning and invoicing; full or partial services according to SIA or project-specific.
Renovations
Renovations of properties, in particular after damage events or when the service life is reached; focusing on cost-effective solutions for private and institutional owners.
Consulting
Solution-oriented, independent consulting on building damage, renovation, conversion and refurbishment, focused on above-ground construction, for private and institutional clients.
Damage analysis and remediation consulting
Identifying causes and supporting the process for building damage; assisting with contractual and construction-related questions for remedying damage.
Building thermography
Thermographic surveys to assess faults and damage in buildings; as a non-destructive basis for further measures.
Building biology
Building biology services to determine the causes of disturbances in the living or working environment, such as electro-smog, radiation or thermal bridges.
Drone photography
Drone footage for the rapid assessment of building situations and as a decision-making basis for further measures when access is difficult.
Construction cost estimation and consulting
Calculation and consulting for expected construction costs according to NPK or project-specific, including award procedure, contract design, as well as cost and schedule monitoring.
Trust & reputation

ranQ Trust Score of JSB AG: 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.

JSB AG 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%
JSB AG scores 84.6 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.97.712%
  • 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%
JSB AG scores 83.3 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).83.322%
JSB AG scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JSB AG 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

Badenerstrasse 565a
8048 Zurich

At a glance

Legal form
Corporation
UID
CHE-196.573.898
Founded
2012 · 14 years
Last commercial register change
February 14, 2020
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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