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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringWittenbachDjuMa & Söhne GmbH
DjuMa & Söhne GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DjuMa & Söhne GmbH encompasses a wide range of services in the field of property maintenance, particularly: * Cleaning and disposal (maintenance cleaning, apartment cleaning, house/apartment clearance, cellar and attic clearance, garage clearance, disposal of bulky waste, electrical/household appliances, industrial waste and construction waste) * Environmental work (mowing and maintaining meadows/lawns, fertilizing meadows and garden beds, scarifying lawns, cutting edges, pruning hedges and restoring them to shape, disposing of green waste) * Painting work (all painting work in the interior and exterior areas) * Floor and wall coverings (installation of floor coverings such as ceramics, laminate, tiles, PVC or parquet floors) Thus, the company offers a comprehensive range of services for the maintenance and care of properties.

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Offering

Products & services

Industry:Painting & Plastering
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3.7/5

DjuMa & Söhne GmbH

✓ Offered5
Painting work
Any painting work in interior and exterior areas, wall and apartment painting, as well as façade renovations and other exterior work.
Property maintenance
Regular cleaning of properties according to the specifications, coordinated by scope, timing and cleaning cycle.
Cleaning and disposal
Maintenance cleaning for offices, apartments and private homes, move-out apartment cleaning with handover guarantee, removals, container and skip services, and disposal of bulky waste and construction waste.
Outdoor maintenance
Care of lawns, grass, flowerbeds, hedges and shrubs, disposal of green waste, as well as cleaning of terraces, forecourts, paths, stairs and garage driveways.
Floor and wall coverings
Advice and installation of floor coverings for rooms, balconies and terraces, including ceramic, laminate, tiles, PVC and parquet.
Trust & reputation

ranQ Trust Score of DjuMa & Söhne GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

DjuMa & Söhne GmbH scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
DjuMa & Söhne GmbH scores 70.2 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.70.212%
  • 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%
DjuMa & Söhne 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%
DjuMa & Söhne GmbH scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DjuMa & Söhne GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Unterstrasse 4
9300 Wittenbach
Opening hours
Mon
08:00 - 12:00, 13:30 - 20:00
Tue
08:00 - 12:00, 13:30 - 20:00
Wed
08:00 - 12:00, 13:30 - 20:00
Thu
08:00 - 12:00, 13:30 - 20:00
Fri
08:00 - 12:00, 13:30 - 20:00
Sat
08:00 - 12:00, 13:30 - 20:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-160.323.306
Founded
2020 · 6 years
Last commercial register change
December 15, 2020
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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