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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising agencyLucerneDOOR'42 GmbH
DOOR'42 GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

DOOR'42 GmbH develops custom web and desktop applications, AI solutions and digital platforms. Its services also include websites and online shops, branding, digital consulting, hosting and security.

AI-generated
Offering

Products & services

Industry:Advertising agency
✓ Offered6
Web design & online shops
Custom responsive websites from one-pagers to multi-pagers, as well as online shops with WordPress and WooCommerce, including SEO basics, training, redesign and optional hosting.
Graphic design, branding & animated logos
Logo design, rebranding, corporate identity and corporate design, business stationery, flyers, posters, brochures, catalogues as well as banners, roll-ups and animated logos.
Custom software, AI consulting & automation
Custom software development, CRM systems, customer portals, dashboards and reporting, as well as AI consulting, AI automations, agents and process digitalisation.
Digital consulting
Neutral advice and coordination for website, shop, software and AI projects; selection of suitable partners, coordination of tasks and support on a daily, weekly or monthly flat-rate basis.
Hosting & security
Web hosting, SSL certificates, firewall, malware scans, anti-DDoS, backups, CMS and security updates, and monitoring, also for existing websites.
Business cards & business stationery
Design of business cards, letterheads and other business stationery, as well as accompanying print materials such as flyers, posters, brochures, catalogues and promotional items.
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4.3/5

DOOR'42 GmbH

Trust & reputation

ranQ Trust Score of DOOR'42 GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

DOOR'42 GmbH scores 71.3 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.79.424%
  • 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.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.70.08%
DOOR'42 GmbH scores 86.7 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.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.70.07%
DOOR'42 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%
DOOR'42 GmbH scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DOOR'42 GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Büttenenstrasse 13
6006 Lucerne
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 18:00
Fri
09:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.919.732
Founded
2006 · 20 years
Last commercial register change
November 26, 2025
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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