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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising AgenciesZurichStudio Gambero Truniger
Studio Gambero Truniger Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Studio Gambero Truniger is a studio for traditional sign painting and visual design, offering hand-painted murals, chalkboard and sign lettering, reverse-glass gilding, hand lettering, graphic design and illustrations.

AI-generated
Offering

Products & services

Industry:Advertising Agencies
✓ Offered6
Sign lettering
Hand-painted lettering on signs, facades, chalkboards, vehicles and other surfaces; single-colour, multi-colour, permanent, weather-resistant or easily wipeable.
Reverse glass gilding
Lettering and finishes with high-quality gold leaf on the inside of shop windows; including effects, texture changes as well as mechanical and chemical glass processing.
Hand-painted lettering
Hand-painted lettering, illustrations and ornaments with brush, lacquer paint and gold leaf on shop windows, wooden, plastic and slate boards, metal, façades, vehicles and walls.
Consulting & concept development
Consulting on content, style, layout and lettering techniques as well as implementation of ideas based on briefs, sketches, reference images or existing design templates.
Workshops
Practical weekend courses in traditional hand-painted lettering, script lettering, layout, gilding techniques and lettering effects; including fundamentals, technique and materials.
1:1 coaching
Individual coaching for traditional hand-painted lettering, techniques, effects, reverse glass gilding, glue chipping, brass etching and project support; also possible for small groups.
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4.1/5

Studio Gambero Truniger

Trust & reputation

ranQ Trust Score of Studio Gambero Truniger: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Studio Gambero Truniger scores 78.5 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.85.424%
  • 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.68.910%
  • 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.70.08%
Studio Gambero Truniger scores 65.7 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%
Studio Gambero Truniger 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%
Studio Gambero Truniger scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Studio Gambero Truniger reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Obere Waidstrasse 4
8037 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
Closed
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-406.280.231
Founded
2020 · 6 years
Last commercial register change
January 20, 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.
67.0
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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