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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionLohn-AmmannseggKaiser Bauunternehmung GmbH
Kaiser Bauunternehmung GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Kaiser Bauunternehmung GmbH is a construction company that provides building and civil engineering services, including new builds, extensions and renovations, external landscaping, masonry and small repair work.

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Offering

Products & services

Industry:Building ConstructionBuilding MaintenanceCivil Engineering
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3.9/5

Kaiser Bauunternehmung GmbH

Masonry Work
✓ Offered6
Building and civil engineering works
Building and civil engineering works for new construction, conversions and renovations; projects throughout the Solothurn region with a broad range of services.
Alterations and extensions
Alterations and extensions for smaller conversions and major renovations; tailor-made solutions for different budgets and project sizes.
Renovations
Renovations, conversions and refurbishment; supervision of even complex projects with professional execution.
Site works
Site works including garden design, natural stone work, paving, retaining walls, site development as well as parking and leisure facilities.
Masonry work for clients
Masonry work for orders of all kinds and sizes, implemented quickly and professionally.
Small construction and patching work
Small construction and patching work for various projects; execution also for more complex tasks.
Trust & reputation

ranQ Trust Score of Kaiser Bauunternehmung GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Kaiser Bauunternehmung GmbH 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.
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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%
Kaiser Bauunternehmung GmbH scores 65.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.58.012%
  • 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%
Kaiser Bauunternehmung GmbH scores 83.3 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).83.322%
Kaiser Bauunternehmung GmbH scores 6.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kaiser Bauunternehmung GmbH reaches a ranQ Trust Score of 3.9 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

Spichermattstrasse 29
4573 Lohn-Ammannsegg

At a glance

Legal form
Limited Liability Company
UID
CHE-384.171.382
Founded
2022 · 4 years
Last commercial register change
September 21, 2022
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.
88.0
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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