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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware DevelopmentBernYokai - Web Development & Conception / Michael Zumstein
Yokai - Web Development & Conception / Michael Zumstein Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Yokai - Web Development & Conception / Michael Zumstein provides design system conception and engineering, semantic, accessible and performance-oriented front-end engineering, Drupal development, and strategy, consulting and agile project management. The practice builds responsive websites and mobile web apps with emphasis on accessibility, performance and holistic, sustainable development.

AI-generated
Offering

Products & services

Industry:Software Development
✓ Offered8
Web Development and Web Concept
Web development and concepting for websites and web projects, with a focus on open source, digital strategies, content strategy, and information architecture.
Design System Conception and Engineering
Design system conception and engineering for consistent, maintainable digital products and services, including a cross-company design language.
Front-End Engineering
Semantic, accessible, and performance-oriented front-end engineering with web components, HTML, CSS, JavaScript, and modern frameworks.
UI/UX Engineering
UI/UX engineering for intuitive, accessible, and aesthetic digital experiences, from information architecture to responsive implementation.
Drupal Development
Drupal development for websites and digital platforms, complemented by technical implementation focused on performance and accessibility.
Digital Strategy and Consulting
Digital strategies, digital transformation, strategic consulting, and agile project support for organizations, products, and services.
Agile Project Management
Agile project management for web and digital projects, used when it fits, for structured delivery and collaboration.
Web Accessibility and Performance Optimization
Web accessibility and performance optimization for barrier-free, fast, and sustainable websites and web applications.
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4.1/5

Yokai - Web Development & Conception / Michael Zumstein

Trust & reputation

ranQ Trust Score of Yokai - Web Development & Conception / Michael Zumstein: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Yokai - Web Development & Conception / Michael Zumstein 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.
x
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%
Yokai - Web Development & Conception / Michael Zumstein scores 71.2 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.83.012%
  • 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%
Yokai - Web Development & Conception / Michael Zumstein scores 83.3 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).83.322%
Yokai - Web Development & Conception / Michael Zumstein scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Yokai - Web Development & Conception / Michael Zumstein 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

Wasserwerkgasse 7
3011 Bern

At a glance

Legal form
Sole proprietorship
UID
CHE-221.960.510
Founded
2017 · 9 years
Last commercial register change
April 7, 2017
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.67.06%
  • 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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