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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionMaltersTantec Group GmbH
Tantec Group GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Tantec Group GmbH provides metal construction, glass construction and door/gate technology services. The company manufactures, installs and services custom metal and glass structures as well as garage, industrial and fire doors, and offers tailored solutions and a 24-hour repair/service option.

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Products & services

Industry:Metal Construction
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Tantec Group GmbH

4
Metal construction
Metal construction elements, custom-made fabrication and made-to-measure solutions; planning, production and installation of staircases, railings, conservatories, balconies, canopies, façades and steel, window and door systems.
Glazing work
Glass structures and custom glass fabrication; planning, production and installation of glazing, glass railings, conservatory glazing, kitchen splashbacks, shower enclosures, glass partitions, shopfronts and glass canopies.
Door automation
Door and gate systems of all brands and models; production, installation, maintenance and refurbishment of garage doors, industrial gates, gates for indoor parking halls, yard gates, fire doors and fire gates as well as drives.
24-hour service for doors and gates
24-hour service, emergency on-call service and periodic service inspections for automatic door and gate systems; maintenance contracts, upkeep options and regular checks of safety and wear parts.
Trust & reputation

ranQ Trust Score of Tantec Group GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Tantec Group GmbH scores 56.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.65.024%
  • 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.52.910%
  • 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.35.08%
Tantec Group GmbH scores 83.5 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.70.07%
Tantec Group 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%
Tantec Group GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tantec Group GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 7 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
4.3
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.37
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Luzernstrasse 88
6102 Malters
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-451.799.108
Founded
2014 · 12 years
Last commercial register change
July 5, 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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