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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesInterior Design & FurnishingBern 8dioma ag
dioma ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of dioma ag is the creation of interior design projects, particularly in the fields of interior architecture, visual merchandising and product presentation. The company develops and implements individual and tailored solutions for customers to design and emotionalize their spaces. This includes planning and implementing interior design projects, developing product presentation concepts, storytelling and conducting workshops.

AI-generated
Offering

Products & services

Industry:Interior Design & Furnishing
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dioma ag

✓ Offered3
Interior architecture
Planning, concept development, implementation and coordination of interior spaces for locations with a compelling visual presence and adaptable rooms.
Visual merchandising
Product presentation concepts, storytelling and workshops for an emotional staging of goods and brands in the sales area.
Trend research
Research on interior, fashion and lifestyle trends, mood boards and range design for new ideas and tailored solutions.
Trust & reputation

ranQ Trust Score of dioma ag: 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.

dioma ag 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%
dioma ag scores 85.5 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%
dioma ag 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%
dioma ag scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

dioma ag 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.

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Location

Junkerngasse 51
3000 Bern 8

At a glance

Legal form
Corporation
UID
CHE-109.047.936
Founded
2001 · 25 years
Last commercial register change
March 22, 2010
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.
100.0
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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