ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionOberkulmR. Steiner AG
R. Steiner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of R. Steiner AG is the provision of services in the construction industry, particularly in the areas of masonry, carpentry, plastering, drywall construction, roofing, thermal insulation, interior finishing and terrace decking. The company offers comprehensive solutions for renovations, extensions and new buildings, covering the entire process from planning to completion.

AI-generated
Offering

Products & services

Industry:Building ConstructionMasonry Work
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.3/5

R. Steiner AG

✓ Offered3
Custom masonry
Custom masonry for conversions, concrete works, composite stone paving areas, bathroom and kitchen renovations, as well as patch and maintenance work and extensive plastering work.
Timber construction
Timber construction with timber structures, roofing, thermal insulation, interior fit-out, wooden floors, terrace decking and small houses.
Total renovation
Complete projects for conversions and extensions, from planning through completion, including coordinated execution from one company.
Trust & reputation

ranQ Trust Score of R. Steiner AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

R. Steiner AG scores 80.3 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.84.124%
  • 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.65.210%
  • 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.88.08%
R. Steiner AG scores 89.3 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.70.07%
R. Steiner AG 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%
R. Steiner AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

R. Steiner AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 12 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 12 reviews across all connected sources

Sources
GGoogle512
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once R. Steiner AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

R. Steiner AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank R. Steiner AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of R. Steiner AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Gontenschwilerstrasse 3
5727 Oberkulm
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.337.323
Founded
2005 · 21 years
Last commercial register change
May 29, 2017
Employees
11 to 20
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

    Similar companies

    SF
    Sefa Fachwerk GmbH
    Muri Ag
    HB
    Hossli Bau GmbH
    Bözen
    ML
    M. Leu AG
    Vordemwald
    S&
    Stadelmann & Stutz AG
    Fahrwangen
    HH
    Hans Hunziker AG
    Moosleerau
    MF
    Max Fischer AG
    Lenzburg
    BB
    Birchmeier Bau AG
    Wallbach
    BK
    Birchmeier Kader 2 AG
    Döttingen