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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureKitchen constructionBaselNiehus GmbH
Niehus GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Niehus GmbH plans and carries out bathroom and kitchen renovations. Its work includes interior design, construction, service and maintenance of sanitary installations, and the installation of custom kitchens.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Kitchen constructionPlumber
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4.1/5

Niehus GmbH

✓ Offered10
Bathroom renovation
Bathroom renovations in Basel, from guest bathrooms to walk-in showers and barrier-free bathrooms, through to family bathrooms, wellness bathrooms and tailor-made luxury solutions.
Made-to-measure kitchens
Made-to-measure kitchens in Basel, planned and built by one team; the website shows kitchen conversions, natural stone and copper kitchens, as well as fitted furniture and kitchen ideas.
Sanitary engineering
Sanitary engineering for single-family homes, multi-family buildings, public and special-purpose buildings; from planning and implementation through to maintenance.
CAD design and detailed planning
CAD design and detailed planning for sanitary and renovation projects, coordinated from planning through to execution.
3D visualisations and 3D rendering
3D visualisations and 3D rendering for planning and presenting bathroom and kitchen projects.
Conversions and renovations
Conversions and renovations in the bathroom, kitchen and sanitary engineering areas, including coordinated execution.
Installations and fittings
Installations and fittings for sanitary and renovation projects.
Leak detection and drying
Leak detection and drying in the event of water damage or damp building components.
Customer service and support
Customer service and support for ongoing care, maintenance and assistance after implementation.
Showroom for Bathroom | Kitchen | Accessories
Showroom with a rotating display of bathroom fittings, a natural wood kitchen, selected wellbeing products, kitchen items and gift articles.
Trust & reputation

ranQ Trust Score of Niehus GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Niehus GmbH scores 72.8 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.76.724%
  • 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.45.610%
  • 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.95.08%
Niehus 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%
Niehus GmbH scores 88.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).88.322%
Niehus GmbH scores 23.4 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 35.40.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Niehus 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 5 customer reviews. 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 4, 2023Media
Vom Rettungssanitäter zum Badarchitekt
primenews.ch

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Location

Spalenvorstadt 37
4051 Basel
Opening hours
Mon
Closed
Tue
Closed
Wed
10:00 - 18:30
Thu
10:00 - 18:30
Fri
10:00 - 18:30
Sat
11:00 - 16:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-110.308.380
Founded
2003 · 23 years
Last commercial register change
July 7, 2025
Employees
1 to 10

Active in 2 of 26 cantons

  • BSBasel-City
  • BLBasel-Country
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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