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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 IndustryMünchwilen AgInterstein AG
Interstein AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

HEK STEIN AG is a supplier of natural stone, raw materials and building materials, including environmental-system building materials and aggregates. The company supplies products and specialist ranges for landscaping, road construction, paving, sports facilities, water and rail engineering, and industry and trade, and provides technical advice, logistics and customs services, special productions and reconditioning of used curbstones.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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4.1/5

Interstein AG

✓ Offered5
Natural stones, raw materials & building materials
Natural stones for copings, paving slabs and paving stones; wall blocks and dressed blocks in Jura limestone; sands, split and crushed stone; stormwater management.
Quartz sand, quartz gravel and quartz split
Quartz sand and quartz gravel for sport, leisure, construction and industry; products for beach, jump, play and fall protection; quartz split and white paving split.
Tree substrates and seed
Tree substrates and water retention; seed and seeds for RPR, SOS Sport, Resilient Blue and Happy Lawn.
Natural stone processing
Natural stone processing as a service for processing and preparing natural stone materials.
Sale and delivery of building materials
Sale, purchasing, administration and delivery warehouses at the sites of Münchwilen, Märstetten and Boswil as well as other company locations.
Trust & reputation

ranQ Trust Score of Interstein AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Interstein AG scores 59.7 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.58.124%
  • 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.35.310%
  • 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%
Interstein 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%
Interstein 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%
Interstein AG scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Interstein AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 3 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
3.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.73
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Steinerstrasse 11
4333 Münchwilen Ag
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-105.195.710
Founded
1999 · 27 years
Last commercial register change
July 10, 2026
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

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