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 · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsSt. Margrethen SgRoja Naturofen AG
Roja Naturofen AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Roja Naturofen AG is the manufacture of fireplaces, particularly the planning, production and installation of handmade fireplaces and chimneys tailored to the individual needs and living style of customers.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered11
Stove construction
Stove construction for storage stoves, soapstone stoves, tiled stoves, fireplaces, pizza ovens, cookers and special objects; planning, design, construction, installation, commissioning and repairs.
Planning and consulting
Personal consulting and planning for fireplaces and heating systems; needs analysis, on-site assessment, advice on the heating system, hand drawings, models and offer presentation.
Storage stoves
Storage stoves made of fireclay bricks for long-lasting radiant heat; suitable for room heating, whole-house heating and supplementary heating as well as for baking, grilling and cooking.
Soapstone stoves
Soapstone stoves made to measure or prefabricated; various types of soapstone, good heat storage and even heat output for natural, sustainable room heating.
Tiled stoves
Tiled stoves as traditional heating units with individual design, radiant heat and efficient, uniform heat output for comfortable room warmth.
Fireplaces
Fireplaces in various styles; warm-air fireplaces and storage fireplaces with cladding made of plaster, tiles, soapstone, steel or natural stone.
Pizza ovens
Pizza and bread baking ovens with high temperature, efficient heat storage and insulation; also suitable for tarte flambée, bread, pastries, roasts and other dishes.
Cookers
Made-to-measure cookers with multiple functions; kitchen solutions combined with an oven, tailored to specific requirements and individual needs.
Chimney construction
Chimney construction from planning through to installation; consulting, design, construction, fitting and commissioning of chimneys.
Repairs and re-lining of stoves
Repairs to stoves and renewal of the lining for existing systems.
Outdoor fireplace / special objects
Outdoor fireplaces and special objects as combination ovens with a ceramic re-heating surface and warm-air distribution for heat in the room or on the upper floor.
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
4.1/5

Roja Naturofen AG

Trust & reputation

ranQ Trust Score of Roja Naturofen AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Roja Naturofen AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Roja Naturofen AG scores 85.5 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%
Roja Naturofen AG scores 83.3 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).83.322%
Roja Naturofen AG scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roja Naturofen AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Roja Naturofen AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Rheinstrasse 26
9430 St. Margrethen Sg

At a glance

Legal form
Corporation
UID
CHE-106.609.186
Founded
1990 · 36 years
Last commercial register change
July 17, 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.
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

    KG
    KATEC GmbH
    Flawil
    TO
    Tiro Ofenbau AG
    St. Gallen
    SS
    Schönenberger Samuel
    Lütisburg Station
    BA
    Blöchliger AG
    Wattwil
    KW
    Kühne Wärmetechnik GmbH
    Schänis
    GS
    glutform SG GmbH
    Arnegg
    FO
    Frick Ofenbau
    Oberhelfenschwil
    BK
    Bürge Kaminbau
    Schwarzenbach Sg