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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction managerTaferscoma construction management & home services gmbh
coma construction management & home services gmbh Logo
Verified· 2 sourcesTrust Score
Summary

About the company

coma construction management & home services gmbh provides construction and project management and represents building owners on construction projects. Its services also include defect management, tender preparation, support for contractors and engineers, renovation coordination and property inspections before purchase.

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Products & services

Industry:Construction managerOwner's representation
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coma construction management & home services gmbh

✓ Offered5
Construction supervision / site management
On-site construction supervision, construction management, and coordination of building projects; schedule planning and monitoring, ongoing invoice review, construction acceptances, and handovers.
Client representation
Independent representation of the client for construction projects; decision support materials, negotiation management, and protection of interests throughout the entire process.
Support for general contractors and civil engineers
Support for general contractors and civil engineers with tenders, preliminary quantities, measurement and cost control, as well as preparation of lists and project documents.
Defects management
Systematic documentation of defects, enforcement of repair deadlines, control of execution, and support until defect-free handover.
Construction project management
Comprehensive support for construction projects of any type and size, focused on quality, deadlines, and costs, with coordination with the client, planners, and tradespeople.
Trust & reputation

ranQ Trust Score of coma construction management & home services 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

coma construction management & home services 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%
coma construction management & home services gmbh scores 70.2 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.70.212%
  • 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%
coma construction management & home services gmbh scores 83.3 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).83.322%
coma construction management & home services 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.

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Location

Oberdorfstrasse 31
1712 Tafers

At a glance

Legal form
Limited Liability Company
UID
CHE-496.448.616
Founded
2020 · 6 years
Last commercial register change
November 16, 2020
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%
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