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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceBottmingenTarnutzer GmbH
Tarnutzer GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Tarnutzer Gravuren is the manufacture and assembly of signs, particularly engravings of mailbox, door, elevator, doorbell, information and company signs, as well as the cleaning and maintenance of doorbells and mailboxes.

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Products & services

Industry:Building Maintenance
✓ Offered
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3.4/5

Tarnutzer GmbH

5
Engraving of signs
Signs for mailboxes, doors, lifts, doorbells, notice and company signs; also nameplates, office lettering, braille writing and signs without advertising.
Installation of signs and new installations
Installation of signs as well as new installations such as mailboxes, doorbells, lift signage, company boards, display cases, insertion systems and mounting items.
Cleaning and maintenance of doorbells and mailboxes
Inspection and cleaning of doorbells and mailboxes, including cleaning/maintenance and replacement parts.
Rental boards
Rental boards for rental properties and construction-site lettering in the area of signage.
Nameplates and doorbells
Doorbells and nameplates for residential and business buildings, combined with engraved nameplates and available for order online.
Trust & reputation

ranQ Trust Score of Tarnutzer GmbH: 3.4 out of 5.0

Trust Score3.4/ 5.0

Solid

x

Data basis 96% · As of October 2026

Tarnutzer GmbH scores 41.9 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.0.024%
  • 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.100.010%
  • 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.95.08%
Tarnutzer GmbH scores 57.1 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.55.07%
Tarnutzer 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%
Tarnutzer 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

Tarnutzer GmbH reaches a ranQ Trust Score of 3.4 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.2 out of 5 stars from 64 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
2.2
of 5

Aggregated from 64 reviews across all connected sources

Sources
GGoogle2.264
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Baslerstrasse 36
4103 Bottmingen
Opening hours
Mon
09:30 - 12:00, 14:00 - 17:00
Tue
09:30 - 12:00, 14:00 - 17:00
Wed
09:30 - 12:00, 14:00 - 17:00
Thu
09:30 - 12:00, 14:00 - 17:00
Fri
09:30 - 12:00, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-210.093.518
Founded
2024 · 2 years
Last commercial register change
November 6, 2024
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.
88.0
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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