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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberZizersBüro M GmbH
Büro M GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Büro M GmbH is an independent building-services planning office specialising in heating, ventilation and plumbing. Its services range from strategic planning and design to tendering, implementation and specialist site supervision, for projects including residential, public, hotel, industrial and commercial buildings.

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Service area

Offering

Products & services

Industry:Plumber
✓ Offered
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Büro M GmbH

5
Building services engineering design
Design services for heating, ventilation and sanitary systems from concept to handover, including coordination, strategic planning, preliminary studies, project planning, tendering, implementation and specialist site supervision.
Sanitary design
Design services for sanitary installations, main drainage lines and property drainage, on request also with BIM support.
Ventilation design
Design services for ventilation systems including coordination, project planning, tendering, implementation and specialist site supervision.
Heating design
Design services for heating systems from preliminary studies to specialist site supervision, coordinated with the other building services trades.
Coordination of building services
Coordination of the sanitary, ventilation and heating trades across the project phases, from strategic planning to implementation.
Trust & reputation

ranQ Trust Score of Büro M GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of November 2026

Büro M 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%
Büro M GmbH scores 65.0 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.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%
Büro M 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%
Büro M GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Nüniwandstrasse 9
7205 Zizers

At a glance

Legal form
Limited Liability Company
UID
CHE-471.067.758
Founded
2022 · 4 years
Last commercial register change
November 30, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRZizers
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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