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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryBernIseli Naturstein GmbH
Iseli Naturstein GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Iseli Naturstein GmbH is the processing and refinement of natural stones, particularly for construction and restoration projects. This includes specialized services such as natural stone work, artificial stone renovation, CNC-controlled natural stone processing, the production of stone supplementing mortars, the installation of floor coverings, plastering work, as well as the removal of graffiti through sandblasting.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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4.0/5

Iseli Naturstein GmbH

7
Natural stone work
Natural stone refurbishment, restoration and renovation of sandstone buildings in and around Bern; expert work on historical and modern natural stone elements.
CNC natural stone machining
Precise CNC machining of natural stone for custom made-to-measure work, accurate reproductions, cutting and milling operations, and series production of stone elements.
Artificial stone refurbishment
Refurbishment and restoration of artificial stone surfaces and elements as part of restoration and renovation projects.
Stone replacement mortar
Facade repairs using recycled stone replacement mortar made from sandstone flour, basalt, marble flour and trass cement; color-matched additions to sandstone facades and window surrounds.
Floor coverings
New natural stone, artificial stone, terrazzo and mosaic floors, as well as refurbishment, grinding, polishing, chemical treatment, care, additions and repairs of existing floor coverings.
Plastering and painting work
Plastering and painting work for façades and interiors; refurbishment of existing plaster surfaces, mineral plasters, decorative finishes and protection of masonry.
Sandblasting and graffiti removal
Gentle removal of graffiti and contaminants from natural and artificial stone, as well as sandblasting work on balcony railings, stair handrails and concrete elements.
Trust & reputation

ranQ Trust Score of Iseli Naturstein GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

Iseli Naturstein GmbH scores 70.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.81.624%
  • 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.58.610%
  • 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.50.08%
Iseli Naturstein GmbH scores 75.7 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.83.012%
  • 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%
Iseli Naturstein GmbH scores 86.7 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).86.722%
Iseli Naturstein GmbH scores 9.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.3.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.16.74%
Qualifications+0.00

Iseli Naturstein 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 9 customer reviews. 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 9, 2025Media
Luca Iseli restauriert die Berner Naturstein-Bauten
nau.ch

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Location

Libellenweg 8b
3006 Bern
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-152.678.776
Founded
2017 · 9 years
Last commercial register change
August 14, 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.
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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