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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsThunDea Dia GmbH
Dea Dia GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dea Dia GmbH is the education and care of children and adolescents in the field of homeschooling, including individual support, tutoring, exam preparation and resilience promotion. Additionally, the company offers mediation and seminars.

AI-generated
Offering

Products & services

Industry:Cultural & Educational Organizations
✓ Offered5
Mediation
Mediation in conflict situations, with support for independent solution finding and drafting a written agreement.
Tutoring
Tutoring for children, adolescents and adults, as one-to-one or group tuition; for Primary, Sek I as well as Gymi, FMS and other preparation.
Homeschooling support
Individual support for homeschooling with one-to-one and group tuition, annual planning, process coaching, chemistry/physics courses, projects and orientation tests.
Coaching
Coaching in hour format, as a separately bookable accompaniment alongside mediation, tutoring and homeschooling support.
Workshop and course offerings
Regular courses and workshops as well as individual offers on request, including orientation tests, Gymi/FMS preparation and a calmness workshop.
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4.1/5

Dea Dia GmbH

Trust & reputation

ranQ Trust Score of Dea Dia GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Dea Dia GmbH scores 78.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.85.424%
  • 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.68.910%
  • 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%
Dea Dia GmbH scores 67.8 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.64.612%
  • 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%
Dea Dia 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%
Dea Dia GmbH scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dea Dia GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hier entsteht die Karte
Blümlisalpstrasse 33A
3600 Thun
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
09:00 - 17:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-451.250.176
Founded
2021 · 5 years
Last commercial register change
September 5, 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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