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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementRied-BrigHeinzen Schadstoff- und Bauplanung GmbH
Heinzen Schadstoff- und Bauplanung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of HSB-Planung is the planning and execution of construction projects, particularly in the areas of hazardous substance planning, construction management, project management and client representation. This includes, among other things, the creation of hazardous substance reports, material samples, tenders, specialist construction management, air measurements and the accompaniment of construction projects from planning to completion.

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Offering

Products & services

Industry:Construction & Project Management
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3.6/5

Heinzen Schadstoff- und Bauplanung GmbH

✓ Offered5
Hazardous Substances Planning
Hazardous substances planning for construction projects, material samples, contaminant reports, specialist construction management and air measurements at contaminated sites or in existing building fabric.
Construction and Project Planning
Construction and project planning from analysis to completion, including site management, project management, client representation, tendering, quotation review and cost control.
Construction Site Supervision
Construction site supervision for small building sites and major projects, including cost estimation, tendering, quotation review, award, on-site supervision, cost control, measurements and invoicing.
Project Management
Project management with coordination of specialist planners such as architect, engineer, geologist, electrical planner and building services planner over the entire project.
Client Representation
Client representation with needs definition, insurance, lists of contractors, discount discussions, award and contract management, as well as advice or representation.
Trust & reputation

ranQ Trust Score of Heinzen Schadstoff- und Bauplanung GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

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Data basis 96% · As of October 2026

Heinzen Schadstoff- und Bauplanung GmbH scores 52.7 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.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%
Heinzen Schadstoff- und Bauplanung GmbH scores 61.5 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.50.012%
  • 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%
Heinzen Schadstoff- und Bauplanung 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%
Heinzen Schadstoff- und Bauplanung GmbH scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Heinzen Schadstoff- und Bauplanung GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». 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.

Knowledge

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Location

Dorfstrasse 43
3911 Ried-Brig
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-230.644.700
Founded
2023 · 3 years
Last commercial register change
March 5, 2026
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.88.06%
  • 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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