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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryOltenR. Nussbaum AG
R. Nussbaum AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

R. Nussbaum AG is a manufacturer and supplier of building services technology, focusing on sanitary and heating systems as well as related components and system solutions. Its portfolio includes installation systems (e.g. Optipress, Optiflex, Optivis), fittings and tools, an online shop, plus planning and service offerings such as training, maintenance and custom fabrication.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered1
Vocational training
Training apprentices as industrial construction drafter (CFC), logistics specialist (CFC) and foundry moulder (CFC); apprenticeship focused on productive orders, projects and vocational school.
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4.5/5

R. Nussbaum AG

Trust & reputation

ranQ Trust Score of R. Nussbaum AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

R. Nussbaum AG scores 82.5 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.69.424%
  • 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.100.010%
  • 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.100.08%
R. Nussbaum AG scores 95.8 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.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.96.07%
R. Nussbaum AG scores 86.7 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).86.722%
R. Nussbaum AG scores 73.4 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.46.74%
Qualifications+0.00

R. Nussbaum AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.4 out of 5 stars from 72 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 72 reviews across all connected sources

Sources
GGoogle4.472
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 1, 2026Media
Serviceplan Nussbaum Kampagne: Optipress Industry als Baby
markt-kom.com
July 1, 2026Media
Serviceplan Suisse: Elternglück für ein Presssystem
persoenlich.com
January 7, 2026Media
Zimmermann Communications: Im Zentrum des Fischauges
persoenlich.com
September 9, 2025Media
Die Bauzukunft beginnt in Trimbach
solothurnerzeitung.ch
September 4, 2025Media
«Eine pionierhafte Dienstleistung»: Die neue Fabrik der R. Nussbaum AG öffnet seine Tore in Trimbach
oltnertagblatt.ch
June 9, 2023Media
R. Nussbaum AG baut Standort in Trimbach aus
oltnertagblatt.ch
February 8, 2021Media
Urs Nussbaum: Freihandel schafft Wohlstand
swissmem.ch
July 26, 2019Media
Lehrabschlussfeier der R. Nussbaum AG: Teamarbeit bringt Erfolg
limmattalerzeitung.ch

Knowledge

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Location

Martin-Disteli-Strasse 26
4600 Olten
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.974.476
Founded
1920 · 106 years
Last commercial register change
September 8, 2025
Employees
101 to 500
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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