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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising AgenciesBrüttisellenSeri-Line Grafik & Design GmbH
Seri-Line Grafik & Design GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Seri-Line Grafik & Design GmbH provides graphic design and signage services for promotional media. Services include design work, digital and screen printing, vehicle graphics, 3-D lettering, wall graphics and a range of films (privacy, solar and security), with project management from planning through production and installation.

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Products & services

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3.6/5

Seri-Line Grafik & Design GmbH

✓ Offered
6
Graphic design, lettering and signage
Graphics, lettering, digital printing, design and screen printing; design of CI/company logos, production from supplied data, and implementation on advertising media up to installation.
Vehicle lettering, car design
Vehicle lettering for company vehicles and trailers, as well as full wraps and partial car wrapping to enhance cars visually as mobile advertising media.
Solar and security films
Solar control films and security films for windows and glass walls; improving indoor comfort, UV protection, protection against break-ins, shattering and explosion effects.
3D lettering and signs
Acrylic and metal letters, illuminated or unilluminated, for reception areas, company logos and signage with different surface treatments.
Privacy / switchable film
Privacy films for windows and glass walls, such as frosted-glass films; light-transmitting, decorative and customisable with patterns, logos or images.
Wall murals, wallpapers
Wall murals and wallpapers with photo printing; implementing ideas on the wall, also as large-format images with different mounting techniques.
Trust & reputation

ranQ Trust Score of Seri-Line Grafik & Design GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

Seri-Line Grafik & Design GmbH scores 56.8 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.73.124%
  • 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.35.310%
  • 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%
Seri-Line Grafik & Design GmbH scores 50.8 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.25.012%
  • 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%
Seri-Line Grafik & Design 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%
Seri-Line Grafik & Design GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Seri-Line Grafik & Design GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ruchstuckstrasse 19
8306 Brüttisellen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-441.631.950
Founded
2025 · 1 year
Last commercial register change
February 18, 2025
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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