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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesFloor layerZurichManuel Jammer GmbH
Manuel Jammer GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Manuel Jammer GmbH is a painting and decorating business offering painting, wallpapering and flooring services. Its work includes façade and apartment renovations, decorative painting, spray painting, plastering, and the installation of parquet, laminate and carpet flooring.

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Presence

Service area

Offering

Products & services

Industry:Floor layerPainter
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4.0/5

Manuel Jammer GmbH

✓ Offered6
Painting work
Painting work for new builds, conversions and renovations; façade renovations, apartment renovations, repairs of masonry cracks, plastering work, spray plastering, wood protection, graffiti removal, floor coatings and plasterer’s work.
Decorative painting
Decorative painting with glaze techniques, Stucco Veneziano, Stucco Antico, stencilling, gilding and Le Corbusier colours; additionally wellness colours.
Spray coating
Spray coating for blinds, window shutters, roller shutters, metal parts, heating units, radiators, doors and door frames; on site or in the spray shop.
Wallpaper installation
Wallpaper installation with Raufaser wallpapers, glass-fibre mesh, non-woven wallpapers, photo wallpapers, natural-material wallpapers, insulating wallpapers and digitally printed wallpapers according to the template.
Floor coverings
Floor coverings in parquet, laminate and carpet; consultation and installation for rooms with practical, easy-care and aesthetic requirements.
Consulting
Consulting on colour selection, materials, wallcoverings, floor coverings and wall paints for apartments and offices; support during new builds, conversions and renovations.
Trust & reputation

ranQ Trust Score of Manuel Jammer GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Manuel Jammer GmbH scores 59.3 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.75.024%
  • 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.40.910%
  • 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%
Manuel Jammer GmbH scores 83.0 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%
Manuel Jammer 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%
Manuel Jammer GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Manuel Jammer GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Starengasse 5
8052 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-111.735.974
Founded
2004 · 22 years
Last commercial register change
March 3, 2009
Employees
1 to 10

Active in 1 of 26 cantons · 3 municipalities

  • ZHRümlang
  • ZHSchöfflisdorf
  • ZHZurich
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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