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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryAltenrheinBWB - Altenrhein AG
BWB - Altenrhein AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

BWB - Altenrhein AG is a surface engineering company that provides electrolytic, chemical and electroplated coatings as well as mechanical processing and aluminium services for sectors including aerospace, medical technology, machinery, architecture and design. The company holds certifications such as NADCAP (CP/SE/NDT), EN 9100 and ISO 13485.

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Products & services

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

BWB - Altenrhein AG

✓ Offered7
Anodising / anodization
Anodising of aluminium, sulphuric acid anodising, hard anodising, hard anodising with PTFE impregnation, chromic acid anodising and Heloxal hard anodising for industrial and architectural components.
Coloured anodising
Coloured anodising for architecture and industry with BWB-Naturtone, BWB-Colinal, BWB-Sanodal gold, BWB-Permabronze, BWB-Permagrey, BWB-Permalux, BWB-Permacolor and other shades.
Chemical surface conversion
Chemical surface conversion with Alodine/Bonderite, Surtec 650, Alodine 1200 S and passivation of magnesium for technical components.
Pre- and post-treatment
Pre- and post-treatment including partial masking, degreasing and desoxidising, grinding, brushing, polishing, pickling, chemical brightening, decorative blasting and dichromate sealing.
Wet painting
Wet painting of industrial and architectural components, complemented by painted plastic components and other surface applications at the Altenrhein site.
Technical coatings
Technical coatings for industrial applications, including automated and craft-applied surface finishing for components with optical or technical requirements.
Surface finishing for architecture
Surface finishing for facades and other architectural components, with anodised aluminium surfaces, Permalux, Permabronze, Permagrey, Permacolor and Sandalor colour tones.
Trust & reputation

ranQ Trust Score of BWB - Altenrhein AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

BWB - Altenrhein AG scores 54.8 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.69.624%
  • 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.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.35.08%
BWB - Altenrhein 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%
BWB - Altenrhein AG scores 85.0 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).85.022%
BWB - Altenrhein AG scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BWB - Altenrhein AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Dorfstrasse 3
9423 Altenrhein
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.559.856
Founded
1990 · 36 years
Last commercial register change
August 19, 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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