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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesZurichBAUSTRA GmbH
BAUSTRA GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of BAUSTRA GmbH is the provision of services in the field of construction and real estate renovation, including: concrete and masonry renovation, coatings and surface protection, sealing and protection against moisture and humidity, structural reinforcement and stability improvement, building fire protection and fire safety measures, and core drilling and breakthroughs for pipes and cables. The company thus offers a wide range of services to ensure the durability, safety and functionality of buildings and real estate.

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Offering

Products & services

Industry:Specialized Construction Activities
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4.1/5

BAUSTRA GmbH

✓ Offered4
Concrete and masonry repair
Repair of cracks and spalling on concrete and masonry; condition assessment, system selection, quotation preparation and execution to stabilise the structure and preserve value.
Structural waterproofing & injections
Waterproofing and injections against moisture, cracks and water ingress; damage analysis, system selection, remediation and protection against consequential damage such as corrosion and mould.
Surface protection & coatings
Surface protection and coatings with polyurethane resin, epoxy resin and PMMA for balconies, parking halls and industrial areas; analysis, system selection and application.
Structural reinforcement
Reinforcement of weakened load-bearing structures during change of use, due to fatigue or increased loads; concept according to a structural engineer or engineer, execution with suitable materials.
Trust & reputation

ranQ Trust Score of BAUSTRA GmbH: 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.

BAUSTRA 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.
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%
BAUSTRA GmbH scores 79.8 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%
BAUSTRA GmbH 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%
BAUSTRA GmbH scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BAUSTRA GmbH 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

Hagenholzstrasse 81a
8050 Zurich
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
09:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-342.695.774
Founded
2014 · 12 years
Last commercial register change
December 29, 2023
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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