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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionLaupen ZhSeamless GmbH
Seamless GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Seamless GmbH supplies the Seamless Door System, a frameless door solution based on an extruded aluminium profile for flush integration into masonry or drywall. The company provides product documentation and downloads, planning advice and installation services, including fire-rated (EI30) and acoustic options.

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Products & services

Industry:Interior ConstructionWholesale - Construction & Raw Materials
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4.1/5

Seamless GmbH

✓ Offered4
Frameless door systems
Frameless door systems for high-quality residential and interior fit-out projects, with concealed hinges, integrated lock, flush-mounted installation and variants for doors opening inwards or outwards.
Planning advice for door systems
Planning advice for door projects, with information on system options, installation scenarios, detailed planning and support for residential construction and design projects.
Assembly and installation of door systems
Assembly and installation of frameless door systems, including installation scenarios for flush alignment with the wall, concealed fittings, sound insulation and VKF-tested execution.
Technical files and product documentation
Technical files and product documentation as PDF, brochure or binder, including installation instructions, fire application and system sheets for the Montreux and Arosa models.
Trust & reputation

ranQ Trust Score of Seamless GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Seamless 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.
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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%
Seamless GmbH scores 83.0 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.100.012%
  • 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%
Seamless GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Seamless GmbH scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Seamless GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Steinwiesliweg 15
8637 Laupen Zh

At a glance

Legal form
Limited Liability Company
UID
CHE-172.125.842
Founded
2011 · 15 years
Last commercial register change
March 11, 2022
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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