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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementMünchensteinHaizmann Baumanagement GmbH
Haizmann Baumanagement GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Haizmann Baumanagement GmbH acts as a general contractor, coordinating construction projects from contract signing to planned handover. Services include project planning and execution for renovations and new installations, demolition and masonry, hazardous-material remediation, leak detection and water-damage repair, heating and sanitary systems, electrical installations, plastering and painting, tiling, flooring, carpentry and kitchens, windows and doors, landscaping, and interior architecture for bathrooms and kitchens.

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Offering

Products & services

Industry:Construction & Project ManagementGeneral Contractors
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4.1/5

Haizmann Baumanagement GmbH

✓ Offered6
Construction management
Construction management for bathroom and complete renovations, new builds and industrial buildings; coordination of planning, execution and handover as a general contractor, including cost, schedule and quality control.
Renovation and conversion as general contractor
Renovations and conversions from a single source with demolition and masonry works, remediation of pollutants, leak detection, water-damage restoration as well as coordination of trades and subcontractors.
Heating and sanitary services in construction projects
Design and execution of heating and sanitary works, including planning for gas, district heating, pellet and heat pump systems, and heat distribution with radiators and underfloor heating.
Interior finishing and fit-out trades
Plastering and painting works, ceramic wall and floor coverings, parquet and laminate flooring, kitchen and carpentry works as well as windows, doors and exterior works.
Interior design for bathrooms, kitchens and living
Interior design for bathrooms, kitchens and living areas, coordinated with renovations, conversions and execution in the construction project.
Mobile heating unit
Use of a mobile heating unit for emergency replacement of heating boilers and water heaters.
Trust & reputation

ranQ Trust Score of Haizmann Baumanagement GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Haizmann Baumanagement GmbH scores 82.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.72.724%
  • 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.90.410%
  • 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.100.08%
Haizmann Baumanagement GmbH scores 60.8 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.39.612%
  • 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%
Haizmann Baumanagement GmbH 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%
Haizmann Baumanagement GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haizmann Baumanagement GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 34 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
4.5
of 5

Aggregated from 34 reviews across all connected sources

Sources
GGoogle4.534
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Venedig-Strasse 27
4142 Münchenstein
Opening hours
Mon
07:30 - 12:00, 13:30 - 16:30
Tue
07:30 - 12:00, 13:30 - 16:30
Wed
07:30 - 12:00, 13:30 - 16:30
Thu
07:30 - 12:00, 13:30 - 16:30
Fri
07:30 - 12:00, 13:30 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-343.826.665
Founded
2024 · 2 years
Last commercial register change
May 17, 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.
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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